content: package com.alibaba.druid.bvt.sql.mysql.issues;
  
  import com.alibaba.druid.DbType;
  import com.alibaba.druid.sql.ast.SQLStatement;
  import com.alibaba.druid.sql.ast.statement.SQLColumnDefinition;
  import com.alibaba.druid.sql.ast.statement.SQLCreateTableStatement;
  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;
  import static org.junit.Assert.assertTrue;
  
  /**
   * @author lizongbo
   * @see <a href="https://github.com/alibaba/druid/issues/5813>Issue来源</a>
   */
  public class Issue5813 {
      @Test
      public void test_parse_create_table() {
          for (DbType dbType : new DbType[]{
              DbType.mysql,
              DbType.mariadb,
          }) {
              for (String sql : new String[]{
                  "CREATE TABLE t1 (\n"
                      + "    c1 INT NOT NULL AUTO_INCREMENT PRIMARY KEY,\n"
                      + "    c2 TINYINT,\n"
                      + "    c3 SMALLINT,\n"
                      + "    c4 MEDIUMINT,\n"
                      + "    c5 INT,\n"
                      + "    c7 BIGINT,\n"
                      + "    c8 VARCHAR(100) )\n"
                      + "ENGINE=NDB\n"
                      + "COMMENT=\"NDB_TABLE=READ_BACKUP=0,PARTITION_BALANCE=FOR_RP_BY_NODE\";;",
              }) {
                  System.out.println(dbType + "原始的sql===" + sql);
                  SQLStatementParser parser = SQLParserUtils.createSQLStatementParser(sql, dbType);
                  List<SQLStatement> statementList = parser.parseStatementList();
                  String sqlGen = statementList.toString();
                  System.out.println(dbType + "生成的sql===" + sqlGen);
                  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();
                  String sqlGenNew = statementList.toString();
                  System.out.println(dbType + "重新解析再生成的sql===" + sqlGenNew);
                  assertEquals(statementList.toString(), statementListNew.toString());
                  SQLCreateTableStatement cts = (SQLCreateTableStatement) statementListNew.get(0);
                  for (SQLColumnDefinition cd : cts.getColumnDefinitions()) {
                      System.out.println(cd.getNameAsString() + "|" + cd.getDataType() + "|" + cd.getDataType().isInt());
                      if ("MEDIUMINT".equals(cd.getDataType().toString())) {
                          assertTrue(cd.getDataType().isInt());
                      }
                  }
              }
          }
      }
  }
  