content: // Generated from HiveSql.g4 by ANTLR 4.7.2
  
   package com.platform.common.antrl4;
   
  
  import org.antlr.v4.runtime.ParserRuleContext;
  import org.antlr.v4.runtime.tree.ErrorNode;
  import org.antlr.v4.runtime.tree.TerminalNode;
  
  /**
   * This class provides an empty implementation of {@link HiveSqlListener},
   * which can be extended to create a listener which only needs to handle a subset
   * of the available methods.
   */
  public class HiveSqlBaseListener implements HiveSqlListener {
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void enterProgram(HiveSqlParser.ProgramContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void exitProgram(HiveSqlParser.ProgramContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void enterBlock(HiveSqlParser.BlockContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void exitBlock(HiveSqlParser.BlockContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void enterBegin_end_block(HiveSqlParser.Begin_end_blockContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void exitBegin_end_block(HiveSqlParser.Begin_end_blockContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void enterSingle_block_stmt(HiveSqlParser.Single_block_stmtContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void exitSingle_block_stmt(HiveSqlParser.Single_block_stmtContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void enterBlock_end(HiveSqlParser.Block_endContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void exitBlock_end(HiveSqlParser.Block_endContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void enterProc_block(HiveSqlParser.Proc_blockContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void exitProc_block(HiveSqlParser.Proc_blockContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void enterStmt(HiveSqlParser.StmtContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void exitStmt(HiveSqlParser.StmtContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void enterSemicolon_stmt(HiveSqlParser.Semicolon_stmtContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void exitSemicolon_stmt(HiveSqlParser.Semicolon_stmtContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void enterException_block(HiveSqlParser.Exception_blockContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void exitException_block(HiveSqlParser.Exception_blockContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void enterException_block_item(HiveSqlParser.Exception_block_itemContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void exitException_block_item(HiveSqlParser.Exception_block_itemContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void enterNull_stmt(HiveSqlParser.Null_stmtContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void exitNull_stmt(HiveSqlParser.Null_stmtContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void enterExpr_stmt(HiveSqlParser.Expr_stmtContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void exitExpr_stmt(HiveSqlParser.Expr_stmtContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void enterAssignment_stmt(HiveSqlParser.Assignment_stmtContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void exitAssignment_stmt(HiveSqlParser.Assignment_stmtContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void enterAssignment_stmt_item(HiveSqlParser.Assignment_stmt_itemContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void exitAssignment_stmt_item(HiveSqlParser.Assignment_stmt_itemContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void enterAssignment_stmt_single_item(HiveSqlParser.Assignment_stmt_single_itemContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void exitAssignment_stmt_single_item(HiveSqlParser.Assignment_stmt_single_itemContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void enterAssignment_stmt_multiple_item(HiveSqlParser.Assignment_stmt_multiple_itemContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void exitAssignment_stmt_multiple_item(HiveSqlParser.Assignment_stmt_multiple_itemContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void enterAssignment_stmt_select_item(HiveSqlParser.Assignment_stmt_select_itemContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void exitAssignment_stmt_select_item(HiveSqlParser.Assignment_stmt_select_itemContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void enterAllocate_cursor_stmt(HiveSqlParser.Allocate_cursor_stmtContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void exitAllocate_cursor_stmt(HiveSqlParser.Allocate_cursor_stmtContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void enterAssociate_locator_stmt(HiveSqlParser.Associate_locator_stmtContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void exitAssociate_locator_stmt(HiveSqlParser.Associate_locator_stmtContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void enterBegin_transaction_stmt(HiveSqlParser.Begin_transaction_stmtContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void exitBegin_transaction_stmt(HiveSqlParser.Begin_transaction_stmtContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void enterBreak_stmt(HiveSqlParser.Break_stmtContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void exitBreak_stmt(HiveSqlParser.Break_stmtContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void enterCall_stmt(HiveSqlParser.Call_stmtContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void exitCall_stmt(HiveSqlParser.Call_stmtContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void enterDeclare_stmt(HiveSqlParser.Declare_stmtContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void exitDeclare_stmt(HiveSqlParser.Declare_stmtContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void enterDeclare_block(HiveSqlParser.Declare_blockContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void exitDeclare_block(HiveSqlParser.Declare_blockContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void enterDeclare_block_inplace(HiveSqlParser.Declare_block_inplaceContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void exitDeclare_block_inplace(HiveSqlParser.Declare_block_inplaceContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void enterDeclare_stmt_item(HiveSqlParser.Declare_stmt_itemContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void exitDeclare_stmt_item(HiveSqlParser.Declare_stmt_itemContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void enterDeclare_var_item(HiveSqlParser.Declare_var_itemContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void exitDeclare_var_item(HiveSqlParser.Declare_var_itemContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void enterDeclare_condition_item(HiveSqlParser.Declare_condition_itemContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void exitDeclare_condition_item(HiveSqlParser.Declare_condition_itemContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void enterDeclare_cursor_item(HiveSqlParser.Declare_cursor_itemContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void exitDeclare_cursor_item(HiveSqlParser.Declare_cursor_itemContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void enterCursor_with_return(HiveSqlParser.Cursor_with_returnContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void exitCursor_with_return(HiveSqlParser.Cursor_with_returnContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void enterCursor_without_return(HiveSqlParser.Cursor_without_returnContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void exitCursor_without_return(HiveSqlParser.Cursor_without_returnContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void enterDeclare_handler_item(HiveSqlParser.Declare_handler_itemContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void exitDeclare_handler_item(HiveSqlParser.Declare_handler_itemContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void enterDeclare_temporary_table_item(HiveSqlParser.Declare_temporary_table_itemContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void exitDeclare_temporary_table_item(HiveSqlParser.Declare_temporary_table_itemContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void enterCreate_table_stmt(HiveSqlParser.Create_table_stmtContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void exitCreate_table_stmt(HiveSqlParser.Create_table_stmtContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void enterCreate_local_temp_table_stmt(HiveSqlParser.Create_local_temp_table_stmtContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void exitCreate_local_temp_table_stmt(HiveSqlParser.Create_local_temp_table_stmtContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void enterCreate_table_definition(HiveSqlParser.Create_table_definitionContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void exitCreate_table_definition(HiveSqlParser.Create_table_definitionContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void enterCreate_table_columns(HiveSqlParser.Create_table_columnsContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void exitCreate_table_columns(HiveSqlParser.Create_table_columnsContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void enterCreate_table_columns_item(HiveSqlParser.Create_table_columns_itemContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void exitCreate_table_columns_item(HiveSqlParser.Create_table_columns_itemContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void enterColumn_comment(HiveSqlParser.Column_commentContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void exitColumn_comment(HiveSqlParser.Column_commentContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void enterColumn_name(HiveSqlParser.Column_nameContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void exitColumn_name(HiveSqlParser.Column_nameContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void enterCreate_table_column_inline_cons(HiveSqlParser.Create_table_column_inline_consContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void exitCreate_table_column_inline_cons(HiveSqlParser.Create_table_column_inline_consContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void enterCreate_table_column_cons(HiveSqlParser.Create_table_column_consContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void exitCreate_table_column_cons(HiveSqlParser.Create_table_column_consContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void enterCreate_table_fk_action(HiveSqlParser.Create_table_fk_actionContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void exitCreate_table_fk_action(HiveSqlParser.Create_table_fk_actionContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void enterCreate_table_preoptions(HiveSqlParser.Create_table_preoptionsContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void exitCreate_table_preoptions(HiveSqlParser.Create_table_preoptionsContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void enterCreate_table_preoptions_item(HiveSqlParser.Create_table_preoptions_itemContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void exitCreate_table_preoptions_item(HiveSqlParser.Create_table_preoptions_itemContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void enterCreate_table_preoptions_td_item(HiveSqlParser.Create_table_preoptions_td_itemContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void exitCreate_table_preoptions_td_item(HiveSqlParser.Create_table_preoptions_td_itemContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void enterCreate_table_options(HiveSqlParser.Create_table_optionsContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void exitCreate_table_options(HiveSqlParser.Create_table_optionsContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void enterCreate_table_options_item(HiveSqlParser.Create_table_options_itemContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void exitCreate_table_options_item(HiveSqlParser.Create_table_options_itemContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void enterCreate_table_options_ora_item(HiveSqlParser.Create_table_options_ora_itemContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void exitCreate_table_options_ora_item(HiveSqlParser.Create_table_options_ora_itemContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void enterCreate_table_options_db2_item(HiveSqlParser.Create_table_options_db2_itemContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void exitCreate_table_options_db2_item(HiveSqlParser.Create_table_options_db2_itemContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void enterCreate_table_options_td_item(HiveSqlParser.Create_table_options_td_itemContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void exitCreate_table_options_td_item(HiveSqlParser.Create_table_options_td_itemContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void enterCreate_table_options_hive_item(HiveSqlParser.Create_table_options_hive_itemContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void exitCreate_table_options_hive_item(HiveSqlParser.Create_table_options_hive_itemContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void enterCreate_table_hive_row_format(HiveSqlParser.Create_table_hive_row_formatContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void exitCreate_table_hive_row_format(HiveSqlParser.Create_table_hive_row_formatContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void enterCreate_table_hive_row_format_fields(HiveSqlParser.Create_table_hive_row_format_fieldsContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void exitCreate_table_hive_row_format_fields(HiveSqlParser.Create_table_hive_row_format_fieldsContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void enterCreate_table_options_mssql_item(HiveSqlParser.Create_table_options_mssql_itemContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void exitCreate_table_options_mssql_item(HiveSqlParser.Create_table_options_mssql_itemContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void enterCreate_table_options_mysql_item(HiveSqlParser.Create_table_options_mysql_itemContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void exitCreate_table_options_mysql_item(HiveSqlParser.Create_table_options_mysql_itemContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void enterAlter_table_stmt(HiveSqlParser.Alter_table_stmtContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void exitAlter_table_stmt(HiveSqlParser.Alter_table_stmtContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void enterAlter_table_item(HiveSqlParser.Alter_table_itemContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void exitAlter_table_item(HiveSqlParser.Alter_table_itemContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void enterAlter_table_add_constraint(HiveSqlParser.Alter_table_add_constraintContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void exitAlter_table_add_constraint(HiveSqlParser.Alter_table_add_constraintContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void enterAlter_table_add_constraint_item(HiveSqlParser.Alter_table_add_constraint_itemContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void exitAlter_table_add_constraint_item(HiveSqlParser.Alter_table_add_constraint_itemContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void enterDtype(HiveSqlParser.DtypeContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void exitDtype(HiveSqlParser.DtypeContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void enterDtype_len(HiveSqlParser.Dtype_lenContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void exitDtype_len(HiveSqlParser.Dtype_lenContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void enterDtype_attr(HiveSqlParser.Dtype_attrContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void exitDtype_attr(HiveSqlParser.Dtype_attrContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void enterDtype_default(HiveSqlParser.Dtype_defaultContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void exitDtype_default(HiveSqlParser.Dtype_defaultContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void enterCreate_database_stmt(HiveSqlParser.Create_database_stmtContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void exitCreate_database_stmt(HiveSqlParser.Create_database_stmtContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void enterCreate_database_option(HiveSqlParser.Create_database_optionContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void exitCreate_database_option(HiveSqlParser.Create_database_optionContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void enterCreate_function_stmt(HiveSqlParser.Create_function_stmtContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void exitCreate_function_stmt(HiveSqlParser.Create_function_stmtContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void enterCreate_function_return(HiveSqlParser.Create_function_returnContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void exitCreate_function_return(HiveSqlParser.Create_function_returnContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void enterCreate_package_stmt(HiveSqlParser.Create_package_stmtContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void exitCreate_package_stmt(HiveSqlParser.Create_package_stmtContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void enterPackage_spec(HiveSqlParser.Package_specContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void exitPackage_spec(HiveSqlParser.Package_specContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void enterPackage_spec_item(HiveSqlParser.Package_spec_itemContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void exitPackage_spec_item(HiveSqlParser.Package_spec_itemContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void enterCreate_package_body_stmt(HiveSqlParser.Create_package_body_stmtContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void exitCreate_package_body_stmt(HiveSqlParser.Create_package_body_stmtContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void enterPackage_body(HiveSqlParser.Package_bodyContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void exitPackage_body(HiveSqlParser.Package_bodyContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void enterPackage_body_item(HiveSqlParser.Package_body_itemContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void exitPackage_body_item(HiveSqlParser.Package_body_itemContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void enterCreate_procedure_stmt(HiveSqlParser.Create_procedure_stmtContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void exitCreate_procedure_stmt(HiveSqlParser.Create_procedure_stmtContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void enterCreate_routine_params(HiveSqlParser.Create_routine_paramsContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void exitCreate_routine_params(HiveSqlParser.Create_routine_paramsContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void enterCreate_routine_param_item(HiveSqlParser.Create_routine_param_itemContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void exitCreate_routine_param_item(HiveSqlParser.Create_routine_param_itemContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void enterCreate_routine_options(HiveSqlParser.Create_routine_optionsContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void exitCreate_routine_options(HiveSqlParser.Create_routine_optionsContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void enterCreate_routine_option(HiveSqlParser.Create_routine_optionContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void exitCreate_routine_option(HiveSqlParser.Create_routine_optionContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void enterDrop_stmt(HiveSqlParser.Drop_stmtContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void exitDrop_stmt(HiveSqlParser.Drop_stmtContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void enterEnd_transaction_stmt(HiveSqlParser.End_transaction_stmtContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void exitEnd_transaction_stmt(HiveSqlParser.End_transaction_stmtContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void enterExec_stmt(HiveSqlParser.Exec_stmtContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void exitExec_stmt(HiveSqlParser.Exec_stmtContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void enterIf_stmt(HiveSqlParser.If_stmtContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void exitIf_stmt(HiveSqlParser.If_stmtContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void enterIf_plsql_stmt(HiveSqlParser.If_plsql_stmtContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void exitIf_plsql_stmt(HiveSqlParser.If_plsql_stmtContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void enterIf_tsql_stmt(HiveSqlParser.If_tsql_stmtContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void exitIf_tsql_stmt(HiveSqlParser.If_tsql_stmtContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void enterIf_bteq_stmt(HiveSqlParser.If_bteq_stmtContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void exitIf_bteq_stmt(HiveSqlParser.If_bteq_stmtContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void enterElseif_block(HiveSqlParser.Elseif_blockContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void exitElseif_block(HiveSqlParser.Elseif_blockContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void enterElse_block(HiveSqlParser.Else_blockContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void exitElse_block(HiveSqlParser.Else_blockContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void enterInclude_stmt(HiveSqlParser.Include_stmtContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void exitInclude_stmt(HiveSqlParser.Include_stmtContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void enterInsert_stmt(HiveSqlParser.Insert_stmtContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void exitInsert_stmt(HiveSqlParser.Insert_stmtContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void enterInsert_stmt_cols(HiveSqlParser.Insert_stmt_colsContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void exitInsert_stmt_cols(HiveSqlParser.Insert_stmt_colsContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void enterInsert_stmt_rows(HiveSqlParser.Insert_stmt_rowsContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void exitInsert_stmt_rows(HiveSqlParser.Insert_stmt_rowsContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void enterInsert_stmt_row(HiveSqlParser.Insert_stmt_rowContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void exitInsert_stmt_row(HiveSqlParser.Insert_stmt_rowContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void enterInsert_directory_stmt(HiveSqlParser.Insert_directory_stmtContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void exitInsert_directory_stmt(HiveSqlParser.Insert_directory_stmtContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void enterExit_stmt(HiveSqlParser.Exit_stmtContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void exitExit_stmt(HiveSqlParser.Exit_stmtContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void enterGet_diag_stmt(HiveSqlParser.Get_diag_stmtContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void exitGet_diag_stmt(HiveSqlParser.Get_diag_stmtContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void enterGet_diag_stmt_item(HiveSqlParser.Get_diag_stmt_itemContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void exitGet_diag_stmt_item(HiveSqlParser.Get_diag_stmt_itemContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void enterGet_diag_stmt_exception_item(HiveSqlParser.Get_diag_stmt_exception_itemContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void exitGet_diag_stmt_exception_item(HiveSqlParser.Get_diag_stmt_exception_itemContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void enterGet_diag_stmt_rowcount_item(HiveSqlParser.Get_diag_stmt_rowcount_itemContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void exitGet_diag_stmt_rowcount_item(HiveSqlParser.Get_diag_stmt_rowcount_itemContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void enterGrant_stmt(HiveSqlParser.Grant_stmtContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void exitGrant_stmt(HiveSqlParser.Grant_stmtContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void enterGrant_stmt_item(HiveSqlParser.Grant_stmt_itemContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void exitGrant_stmt_item(HiveSqlParser.Grant_stmt_itemContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void enterLeave_stmt(HiveSqlParser.Leave_stmtContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void exitLeave_stmt(HiveSqlParser.Leave_stmtContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void enterMap_object_stmt(HiveSqlParser.Map_object_stmtContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void exitMap_object_stmt(HiveSqlParser.Map_object_stmtContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void enterOpen_stmt(HiveSqlParser.Open_stmtContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void exitOpen_stmt(HiveSqlParser.Open_stmtContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void enterFetch_stmt(HiveSqlParser.Fetch_stmtContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void exitFetch_stmt(HiveSqlParser.Fetch_stmtContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void enterCollect_stats_stmt(HiveSqlParser.Collect_stats_stmtContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void exitCollect_stats_stmt(HiveSqlParser.Collect_stats_stmtContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void enterCollect_stats_clause(HiveSqlParser.Collect_stats_clauseContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void exitCollect_stats_clause(HiveSqlParser.Collect_stats_clauseContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void enterClose_stmt(HiveSqlParser.Close_stmtContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void exitClose_stmt(HiveSqlParser.Close_stmtContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void enterCmp_stmt(HiveSqlParser.Cmp_stmtContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void exitCmp_stmt(HiveSqlParser.Cmp_stmtContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void enterCmp_source(HiveSqlParser.Cmp_sourceContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void exitCmp_source(HiveSqlParser.Cmp_sourceContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void enterCopy_from_local_stmt(HiveSqlParser.Copy_from_local_stmtContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void exitCopy_from_local_stmt(HiveSqlParser.Copy_from_local_stmtContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void enterCopy_stmt(HiveSqlParser.Copy_stmtContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void exitCopy_stmt(HiveSqlParser.Copy_stmtContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void enterCopy_source(HiveSqlParser.Copy_sourceContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void exitCopy_source(HiveSqlParser.Copy_sourceContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void enterCopy_target(HiveSqlParser.Copy_targetContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void exitCopy_target(HiveSqlParser.Copy_targetContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void enterCopy_option(HiveSqlParser.Copy_optionContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void exitCopy_option(HiveSqlParser.Copy_optionContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void enterCopy_file_option(HiveSqlParser.Copy_file_optionContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void exitCopy_file_option(HiveSqlParser.Copy_file_optionContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void enterCommit_stmt(HiveSqlParser.Commit_stmtContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void exitCommit_stmt(HiveSqlParser.Commit_stmtContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void enterCreate_index_stmt(HiveSqlParser.Create_index_stmtContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void exitCreate_index_stmt(HiveSqlParser.Create_index_stmtContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void enterCreate_index_col(HiveSqlParser.Create_index_colContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void exitCreate_index_col(HiveSqlParser.Create_index_colContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void enterIndex_storage_clause(HiveSqlParser.Index_storage_clauseContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void exitIndex_storage_clause(HiveSqlParser.Index_storage_clauseContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void enterIndex_mssql_storage_clause(HiveSqlParser.Index_mssql_storage_clauseContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void exitIndex_mssql_storage_clause(HiveSqlParser.Index_mssql_storage_clauseContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void enterPrint_stmt(HiveSqlParser.Print_stmtContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void exitPrint_stmt(HiveSqlParser.Print_stmtContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void enterQuit_stmt(HiveSqlParser.Quit_stmtContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void exitQuit_stmt(HiveSqlParser.Quit_stmtContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void enterRaise_stmt(HiveSqlParser.Raise_stmtContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void exitRaise_stmt(HiveSqlParser.Raise_stmtContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void enterResignal_stmt(HiveSqlParser.Resignal_stmtContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void exitResignal_stmt(HiveSqlParser.Resignal_stmtContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void enterReturn_stmt(HiveSqlParser.Return_stmtContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void exitReturn_stmt(HiveSqlParser.Return_stmtContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void enterRollback_stmt(HiveSqlParser.Rollback_stmtContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void exitRollback_stmt(HiveSqlParser.Rollback_stmtContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void enterSet_session_option(HiveSqlParser.Set_session_optionContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void exitSet_session_option(HiveSqlParser.Set_session_optionContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void enterSet_current_schema_option(HiveSqlParser.Set_current_schema_optionContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void exitSet_current_schema_option(HiveSqlParser.Set_current_schema_optionContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void enterSet_mssql_session_option(HiveSqlParser.Set_mssql_session_optionContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void exitSet_mssql_session_option(HiveSqlParser.Set_mssql_session_optionContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void enterSet_teradata_session_option(HiveSqlParser.Set_teradata_session_optionContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void exitSet_teradata_session_option(HiveSqlParser.Set_teradata_session_optionContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void enterSignal_stmt(HiveSqlParser.Signal_stmtContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void exitSignal_stmt(HiveSqlParser.Signal_stmtContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void enterSummary_stmt(HiveSqlParser.Summary_stmtContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void exitSummary_stmt(HiveSqlParser.Summary_stmtContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void enterTruncate_stmt(HiveSqlParser.Truncate_stmtContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void exitTruncate_stmt(HiveSqlParser.Truncate_stmtContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void enterUse_stmt(HiveSqlParser.Use_stmtContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void exitUse_stmt(HiveSqlParser.Use_stmtContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void enterValues_into_stmt(HiveSqlParser.Values_into_stmtContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void exitValues_into_stmt(HiveSqlParser.Values_into_stmtContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void enterWhile_stmt(HiveSqlParser.While_stmtContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void exitWhile_stmt(HiveSqlParser.While_stmtContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void enterFor_cursor_stmt(HiveSqlParser.For_cursor_stmtContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void exitFor_cursor_stmt(HiveSqlParser.For_cursor_stmtContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void enterFor_range_stmt(HiveSqlParser.For_range_stmtContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void exitFor_range_stmt(HiveSqlParser.For_range_stmtContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void enterLabel(HiveSqlParser.LabelContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void exitLabel(HiveSqlParser.LabelContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void enterUsing_clause(HiveSqlParser.Using_clauseContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void exitUsing_clause(HiveSqlParser.Using_clauseContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void enterSelect_stmt(HiveSqlParser.Select_stmtContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void exitSelect_stmt(HiveSqlParser.Select_stmtContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void enterCte_select_stmt(HiveSqlParser.Cte_select_stmtContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void exitCte_select_stmt(HiveSqlParser.Cte_select_stmtContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void enterCte_select_stmt_item(HiveSqlParser.Cte_select_stmt_itemContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void exitCte_select_stmt_item(HiveSqlParser.Cte_select_stmt_itemContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void enterCte_select_cols(HiveSqlParser.Cte_select_colsContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void exitCte_select_cols(HiveSqlParser.Cte_select_colsContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void enterFullselect_stmt(HiveSqlParser.Fullselect_stmtContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void exitFullselect_stmt(HiveSqlParser.Fullselect_stmtContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void enterFullselect_stmt_item(HiveSqlParser.Fullselect_stmt_itemContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void exitFullselect_stmt_item(HiveSqlParser.Fullselect_stmt_itemContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void enterFullselect_set_clause(HiveSqlParser.Fullselect_set_clauseContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void exitFullselect_set_clause(HiveSqlParser.Fullselect_set_clauseContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void enterSubselect_stmt(HiveSqlParser.Subselect_stmtContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void exitSubselect_stmt(HiveSqlParser.Subselect_stmtContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void enterSelect_list(HiveSqlParser.Select_listContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void exitSelect_list(HiveSqlParser.Select_listContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void enterSelect_list_set(HiveSqlParser.Select_list_setContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void exitSelect_list_set(HiveSqlParser.Select_list_setContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void enterSelect_list_limit(HiveSqlParser.Select_list_limitContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void exitSelect_list_limit(HiveSqlParser.Select_list_limitContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void enterSelect_list_item(HiveSqlParser.Select_list_itemContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void exitSelect_list_item(HiveSqlParser.Select_list_itemContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void enterSelect_list_alias(HiveSqlParser.Select_list_aliasContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void exitSelect_list_alias(HiveSqlParser.Select_list_aliasContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void enterSelect_list_asterisk(HiveSqlParser.Select_list_asteriskContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void exitSelect_list_asterisk(HiveSqlParser.Select_list_asteriskContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void enterInto_clause(HiveSqlParser.Into_clauseContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void exitInto_clause(HiveSqlParser.Into_clauseContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void enterFrom_clause(HiveSqlParser.From_clauseContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void exitFrom_clause(HiveSqlParser.From_clauseContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void enterFrom_table_clause(HiveSqlParser.From_table_clauseContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void exitFrom_table_clause(HiveSqlParser.From_table_clauseContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void enterFrom_table_name_clause(HiveSqlParser.From_table_name_clauseContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void exitFrom_table_name_clause(HiveSqlParser.From_table_name_clauseContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void enterFrom_subselect_clause(HiveSqlParser.From_subselect_clauseContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void exitFrom_subselect_clause(HiveSqlParser.From_subselect_clauseContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void enterFrom_join_clause(HiveSqlParser.From_join_clauseContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void exitFrom_join_clause(HiveSqlParser.From_join_clauseContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void enterFrom_join_type_clause(HiveSqlParser.From_join_type_clauseContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void exitFrom_join_type_clause(HiveSqlParser.From_join_type_clauseContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void enterFrom_table_values_clause(HiveSqlParser.From_table_values_clauseContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void exitFrom_table_values_clause(HiveSqlParser.From_table_values_clauseContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void enterFrom_table_values_row(HiveSqlParser.From_table_values_rowContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void exitFrom_table_values_row(HiveSqlParser.From_table_values_rowContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void enterFrom_alias_clause(HiveSqlParser.From_alias_clauseContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void exitFrom_alias_clause(HiveSqlParser.From_alias_clauseContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void enterTable_name(HiveSqlParser.Table_nameContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void exitTable_name(HiveSqlParser.Table_nameContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void enterWhere_clause(HiveSqlParser.Where_clauseContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void exitWhere_clause(HiveSqlParser.Where_clauseContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void enterGroup_by_clause(HiveSqlParser.Group_by_clauseContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void exitGroup_by_clause(HiveSqlParser.Group_by_clauseContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void enterHaving_clause(HiveSqlParser.Having_clauseContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void exitHaving_clause(HiveSqlParser.Having_clauseContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void enterQualify_clause(HiveSqlParser.Qualify_clauseContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void exitQualify_clause(HiveSqlParser.Qualify_clauseContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void enterOrder_by_clause(HiveSqlParser.Order_by_clauseContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void exitOrder_by_clause(HiveSqlParser.Order_by_clauseContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void enterSelect_options(HiveSqlParser.Select_optionsContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void exitSelect_options(HiveSqlParser.Select_optionsContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void enterSelect_options_item(HiveSqlParser.Select_options_itemContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void exitSelect_options_item(HiveSqlParser.Select_options_itemContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void enterUpdate_stmt(HiveSqlParser.Update_stmtContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void exitUpdate_stmt(HiveSqlParser.Update_stmtContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void enterUpdate_assignment(HiveSqlParser.Update_assignmentContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void exitUpdate_assignment(HiveSqlParser.Update_assignmentContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void enterUpdate_table(HiveSqlParser.Update_tableContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void exitUpdate_table(HiveSqlParser.Update_tableContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void enterUpdate_upsert(HiveSqlParser.Update_upsertContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void exitUpdate_upsert(HiveSqlParser.Update_upsertContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void enterMerge_stmt(HiveSqlParser.Merge_stmtContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void exitMerge_stmt(HiveSqlParser.Merge_stmtContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void enterMerge_table(HiveSqlParser.Merge_tableContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void exitMerge_table(HiveSqlParser.Merge_tableContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void enterMerge_condition(HiveSqlParser.Merge_conditionContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void exitMerge_condition(HiveSqlParser.Merge_conditionContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void enterMerge_action(HiveSqlParser.Merge_actionContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void exitMerge_action(HiveSqlParser.Merge_actionContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void enterDelete_stmt(HiveSqlParser.Delete_stmtContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void exitDelete_stmt(HiveSqlParser.Delete_stmtContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void enterDelete_alias(HiveSqlParser.Delete_aliasContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void exitDelete_alias(HiveSqlParser.Delete_aliasContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void enterDescribe_stmt(HiveSqlParser.Describe_stmtContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void exitDescribe_stmt(HiveSqlParser.Describe_stmtContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void enterBool_expr(HiveSqlParser.Bool_exprContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void exitBool_expr(HiveSqlParser.Bool_exprContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void enterBool_expr_atom(HiveSqlParser.Bool_expr_atomContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void exitBool_expr_atom(HiveSqlParser.Bool_expr_atomContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void enterBool_expr_unary(HiveSqlParser.Bool_expr_unaryContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void exitBool_expr_unary(HiveSqlParser.Bool_expr_unaryContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void enterBool_expr_single_in(HiveSqlParser.Bool_expr_single_inContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void exitBool_expr_single_in(HiveSqlParser.Bool_expr_single_inContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void enterBool_expr_multi_in(HiveSqlParser.Bool_expr_multi_inContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void exitBool_expr_multi_in(HiveSqlParser.Bool_expr_multi_inContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void enterBool_expr_binary(HiveSqlParser.Bool_expr_binaryContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void exitBool_expr_binary(HiveSqlParser.Bool_expr_binaryContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void enterBool_expr_logical_operator(HiveSqlParser.Bool_expr_logical_operatorContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void exitBool_expr_logical_operator(HiveSqlParser.Bool_expr_logical_operatorContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void enterBool_expr_binary_operator(HiveSqlParser.Bool_expr_binary_operatorContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void exitBool_expr_binary_operator(HiveSqlParser.Bool_expr_binary_operatorContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void enterExpr(HiveSqlParser.ExprContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void exitExpr(HiveSqlParser.ExprContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void enterExpr_atom(HiveSqlParser.Expr_atomContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void exitExpr_atom(HiveSqlParser.Expr_atomContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void enterExpr_interval(HiveSqlParser.Expr_intervalContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void exitExpr_interval(HiveSqlParser.Expr_intervalContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void enterInterval_item(HiveSqlParser.Interval_itemContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void exitInterval_item(HiveSqlParser.Interval_itemContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void enterExpr_concat(HiveSqlParser.Expr_concatContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void exitExpr_concat(HiveSqlParser.Expr_concatContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void enterExpr_concat_item(HiveSqlParser.Expr_concat_itemContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void exitExpr_concat_item(HiveSqlParser.Expr_concat_itemContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void enterExpr_case(HiveSqlParser.Expr_caseContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void exitExpr_case(HiveSqlParser.Expr_caseContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void enterExpr_case_simple(HiveSqlParser.Expr_case_simpleContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void exitExpr_case_simple(HiveSqlParser.Expr_case_simpleContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void enterExpr_case_searched(HiveSqlParser.Expr_case_searchedContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void exitExpr_case_searched(HiveSqlParser.Expr_case_searchedContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void enterExpr_cursor_attribute(HiveSqlParser.Expr_cursor_attributeContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void exitExpr_cursor_attribute(HiveSqlParser.Expr_cursor_attributeContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void enterExpr_agg_window_func(HiveSqlParser.Expr_agg_window_funcContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void exitExpr_agg_window_func(HiveSqlParser.Expr_agg_window_funcContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void enterExpr_func_all_distinct(HiveSqlParser.Expr_func_all_distinctContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void exitExpr_func_all_distinct(HiveSqlParser.Expr_func_all_distinctContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void enterExpr_func_over_clause(HiveSqlParser.Expr_func_over_clauseContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void exitExpr_func_over_clause(HiveSqlParser.Expr_func_over_clauseContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void enterExpr_func_partition_by_clause(HiveSqlParser.Expr_func_partition_by_clauseContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void exitExpr_func_partition_by_clause(HiveSqlParser.Expr_func_partition_by_clauseContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void enterExpr_spec_func(HiveSqlParser.Expr_spec_funcContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void exitExpr_spec_func(HiveSqlParser.Expr_spec_funcContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void enterExpr_func(HiveSqlParser.Expr_funcContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void exitExpr_func(HiveSqlParser.Expr_funcContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void enterExpr_func_params(HiveSqlParser.Expr_func_paramsContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void exitExpr_func_params(HiveSqlParser.Expr_func_paramsContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void enterFunc_param(HiveSqlParser.Func_paramContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void exitFunc_param(HiveSqlParser.Func_paramContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void enterExpr_select(HiveSqlParser.Expr_selectContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void exitExpr_select(HiveSqlParser.Expr_selectContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void enterExpr_file(HiveSqlParser.Expr_fileContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void exitExpr_file(HiveSqlParser.Expr_fileContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void enterHive(HiveSqlParser.HiveContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void exitHive(HiveSqlParser.HiveContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void enterHive_item(HiveSqlParser.Hive_itemContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void exitHive_item(HiveSqlParser.Hive_itemContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void enterHost(HiveSqlParser.HostContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void exitHost(HiveSqlParser.HostContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void enterHost_cmd(HiveSqlParser.Host_cmdContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void exitHost_cmd(HiveSqlParser.Host_cmdContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void enterHost_stmt(HiveSqlParser.Host_stmtContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void exitHost_stmt(HiveSqlParser.Host_stmtContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void enterFile_name(HiveSqlParser.File_nameContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void exitFile_name(HiveSqlParser.File_nameContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void enterDate_literal(HiveSqlParser.Date_literalContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void exitDate_literal(HiveSqlParser.Date_literalContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void enterTimestamp_literal(HiveSqlParser.Timestamp_literalContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void exitTimestamp_literal(HiveSqlParser.Timestamp_literalContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void enterIdent(HiveSqlParser.IdentContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void exitIdent(HiveSqlParser.IdentContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void enterSingle_quotedString(HiveSqlParser.Single_quotedStringContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void exitSingle_quotedString(HiveSqlParser.Single_quotedStringContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void enterDouble_quotedString(HiveSqlParser.Double_quotedStringContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void exitDouble_quotedString(HiveSqlParser.Double_quotedStringContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void enterInt_number(HiveSqlParser.Int_numberContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void exitInt_number(HiveSqlParser.Int_numberContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void enterDec_number(HiveSqlParser.Dec_numberContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void exitDec_number(HiveSqlParser.Dec_numberContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void enterBool_literal(HiveSqlParser.Bool_literalContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void exitBool_literal(HiveSqlParser.Bool_literalContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void enterNull_const(HiveSqlParser.Null_constContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void exitNull_const(HiveSqlParser.Null_constContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void enterNon_reserved_words(HiveSqlParser.Non_reserved_wordsContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void exitNon_reserved_words(HiveSqlParser.Non_reserved_wordsContext ctx) { }
  
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void enterEveryRule(ParserRuleContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void exitEveryRule(ParserRuleContext ctx) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void visitTerminal(TerminalNode node) { }
  	/**
  	 * {@inheritDoc}
  	 *
  	 * <p>The default implementation does nothing.</p>
  	 */
  	@Override public void visitErrorNode(ErrorNode node) { }
  }