content: package com.alibaba.druid.bvt.sql.mysql.issues;
  
  import com.alibaba.druid.DbType;
  import com.alibaba.druid.sql.SQLParseAssertUtil;
  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/5894>Issue来源</a>
   * @see <a href="https://dev.mysql.com/doc/refman/8.0/en/cast-functions.html#function_cast">CAST(expr AS type [ARRAY])</a>
   */
  public class Issue5894 {
      @Test
      public void test_parse_aschararray() {
          for (DbType dbType : new DbType[]{DbType.mysql}) {
              for (String sql : new String[]{
                  "alter table db1.rs_push_mall_data add key idx_bill_no_json((CAST(bill_no_json AS CHAR(50) ARRAY)));",
              }) {
                  SQLStatementParser parser = SQLParserUtils.createSQLStatementParser(sql, dbType);
                  List<SQLStatement> statementList = parser.parseStatementList();
                  assertEquals(1, statementList.size());
                  assertEquals("ALTER TABLE db1.rs_push_mall_data\n"
                      + "\tADD KEY idx_bill_no_json ((CAST(bill_no_json AS CHAR(50) ARRAY)));", statementList.get(0).toString());
                  SQLParseAssertUtil.assertParseSql(sql, dbType);
              }
          }
      }
  }
  