content: package com.alibaba.druid.bvt.sql.mysql.show;
  
  import com.alibaba.druid.sql.MysqlTest;
  import com.alibaba.druid.sql.ast.SQLStatement;
  import com.alibaba.druid.sql.dialect.mysql.parser.MySqlStatementParser;
  import com.alibaba.druid.sql.dialect.mysql.visitor.MySqlSchemaStatVisitor;
  import com.alibaba.druid.sql.parser.SQLParserFeature;
  
  import java.util.List;
  
  /**
   * @author chenmo.cm
   * @date 2018/8/27 上午11:41
   */
  public class MySqlShowTest_39_stc extends MysqlTest {
      public void test_0() throws Exception {
          String sql = "SHOW STC";
  
          MySqlStatementParser parser = new MySqlStatementParser(sql, SQLParserFeature.TDDLHint);
          List<SQLStatement> statementList = parser.parseStatementList();
          SQLStatement stmt = statementList.get(0);
  
          assertEquals(1, statementList.size());
  
          MySqlSchemaStatVisitor visitor = new MySqlSchemaStatVisitor();
          stmt.accept(visitor);
  
          assertEquals(0, visitor.getTables().size());
          assertEquals(0, visitor.getColumns().size());
          assertEquals(0, visitor.getConditions().size());
          assertEquals(0, visitor.getOrderByColumns().size());
  
          assertEquals("SHOW STC", stmt.toString());
      }
  
      public void test_1() throws Exception {
          String sql = "SHOW STC his";
  
          MySqlStatementParser parser = new MySqlStatementParser(sql, SQLParserFeature.TDDLHint);
          List<SQLStatement> statementList = parser.parseStatementList();
          SQLStatement stmt = statementList.get(0);
  
          assertEquals(1, statementList.size());
  
          MySqlSchemaStatVisitor visitor = new MySqlSchemaStatVisitor();
          stmt.accept(visitor);
  
          assertEquals(0, visitor.getTables().size());
          assertEquals(0, visitor.getColumns().size());
          assertEquals(0, visitor.getConditions().size());
          assertEquals(0, visitor.getOrderByColumns().size());
  
          assertEquals("SHOW STC HIS", stmt.toString());
      }
  }
  