{explainable_stmt | FOR CONNECTION connection_id} explain_type: { EXTENDED | PARTITIONS | FORMAT = format_name } format_name: { TRADITIONAL | JSON } explainable_stmt: { SELECT statement | DELETE statement | INSERT statement | REPLACE statement | UPDATE statement } 1. 2. 3. 4. 5. 6. 7...
您可以尝试修改 Flink 的 PostgreSQL 驱动程序配置,将date类型映射为适当的TIMESTAMP类型。 在Flink 的flink-conf.yaml配置文件中添加以下配置: table:planner:type-creation: "CUSTOM"type-creation.class: "org.apache.flink.table.types.logical.utils.PgTypeDefaultConversion" 保存并重启 Flink 集群后,再次尝试使用C...
> t_name STRING, > t_balance DOUBLE, > t_age INT > ) WITH ( > 'connector' = 'filesystem', > 'path' = 'hdfs://HadoopHAcluster/flinktest/firstdemo/', > 'format' = 'csv' > ); [INFO] Execute statement succeed. Flink
创建"Invalid SQL Statement“错误EN学习mybatis的过程中，测试mapper自动代理的时候一直出错，在eclipse中...
报错:ERROR: Query:[xxx] Get result failed: canceling statement due to user request 问题原因:查询被取消,通常是因为表被执行了DROP或TRUNCATE操作。 解决方法:可以通过HoloWeb Query洞察排查是否有冲突的DDL,详情请参见Query洞察。后期尽量避免Query执行过程中有DDL冲突任务。
&useSSL=false&serverTimezone=UTC", "root", ""); String dql = "select * from AAPL order by transDate"; PreparedStatement stmt = con.prepareStatement(dql, ResultSet.TYPE_SCROLL_INSENSITIVE, ResultSet.CONCUR_READ_ONLY); ResultSet aapl = stmt.executeQuery(); int continue_inc_days = 0; ...
KEY`idx_account_trade_date_time`(`account_number`,`trade_date_time`), KEY`idx_trade_date_times`(`trade_date_time`) KEY`idx_createtime`(`create_time`), 慢SQL: SELECTid,...,creator,modifier,create_time,update_timeFROMstatementWHERE(account_number='XXX'ANDcreate_time>='2022-04-24 06:...
也可对日期或文本进行比较运算,注意SQL里日期的标准写法及其需要用引号包裹这一点WHERE birth_date > ‘1990-01-01’ AND, OR, NOT运算符 USE sql_store; SELECT *FROM customersWHERE birth_date > ‘1990-01-01’ AND points > 1000/WHERE birth_date > ‘1990-01-01’ ORpoints > 1000 AND state =...
The default value of all partitions specified in the CREATE statement (unless you specify the logging_clause in the PARTITION description clause) The default value for the segments associated with the index partitions The default value for local index partitions or subpartitions added implicitly during...
| TABLE statement | DELETE statement | INSERT statement | REPLACE statement | UPDATE statement } 2.2 示例 EXPLAIN format = TRADITIONAL json SELECT tt.TicketNumber, tt.TimeIn, tt.ProjectReference, tt.EstimatedShipDate, tt.ActualShipDate, tt.ClientID, ...