content: package com.alibaba.druid.bvt.sql.postgresql.issues;
  
  import com.alibaba.druid.DbType;
  import com.alibaba.druid.sql.ast.SQLStatement;
  import com.alibaba.druid.sql.parser.SQLParserUtils;
  import com.alibaba.druid.sql.parser.SQLStatementParser;
  import org.junit.Test;
  
  import java.util.List;
  
  import static org.junit.Assert.assertEquals;
  
  /**
   * @author lizongbo
   * @see <a href="https://github.com/alibaba/druid/issues/5710">Issue来源</a>
   */
  public class Issue5710 {
      @Test
      public void test_parse_show_sql() {
          for (String sql : new String[]{
              "SHOW search_path",
              "SHOW all",
          }) {
              DbType dbType = DbType.postgresql;
              System.out.println("原始的sql===" + sql);
              SQLStatementParser parser = SQLParserUtils.createSQLStatementParser(sql, dbType);
              List<SQLStatement> statementList = parser.parseStatementList();
              System.out.println("生成的sql===" + statementList);
              StringBuilder sb = new StringBuilder();
              for (SQLStatement statement : statementList) {
                  sb.append(statement.toString()).append(";");
              }
              sb.deleteCharAt(sb.length() - 1);
              parser = SQLParserUtils.createSQLStatementParser(sb.toString(), dbType);
              List<SQLStatement> statementListNew = parser.parseStatementList();
              System.out.println("重新解析再生成的sql===" + statementListNew);
              assertEquals(statementList.toString(), statementListNew.toString());
          }
      }
  }
  