IF (OBJECT_id(N'tempdb..#CannotTruncateLog_Db') IS NOT NULL)BEGINDROPTABLE#CannotTruncateLog_Db;END--get info about transaction logs in each database.IF(OBJECT_id(N'tempdb..#dm_db_log_space_usage')ISNOTNULL)BEGINDROPTABLE#dm_db_log_space_usage;ENDSELECT*INTO#dm_db_...
[0].wType = DBTYPE_TABLE; bindingsCmd[0].cbMaxLen = sizeof(IUnknown*); bindingsCmd[0].pObject = &dbObjTVP; bindingsCmd[0].eParamIO = DBPARAMIO_INPUT; bindingsCmd[0].iOrdinal = 1; bindingsCmd[0].dwPart = DBPART_LENGTH | DBPART_VALUE | DBPART_STATUS; bindingsCmd[0].dw...
of bytes specified GET_LINE Procedure Reads text from an open file GET_LINE_NCHAR Procedure Reads text in Unicode from an open file GET_RAW Procedure Reads a RAW string value from a file and adjusts the file pointer ahead by the number of bytes read IS_OPEN Function Determines if a file...
BEGIN;INSERTxxxcommit; ERROR:INSERTinddl transactionisnotsupported now 解决方法:在事务外使用INSERT,或者开启DML事务,详情请参见SQL事务能力。 报错:Creating publication with table that without binlog is not supported now 问题原因:对没有开启Binlog的表创建了Publication。
SQL_MAX_TABLES_IN_SELECT (16 位元整數) Indicates the maximum number of table names in a FROM clause in a <query specification>. SQL_MAX_USER_NAME_LEN (16 位元整數) Indicates the maximum size for a <user identifier> (in bytes). SQL_MODULE_USAGE (32 位元遮罩) 指出在執行這些陳述式時,...
在flink-connector-mysql-cdc module中,找到其对应的工厂类:MySQLTableSourceFactory,进入createDynamicTableSource(Context context)方法,在这个方法里,使用从ddl中的属性里获取的host、dbname等信息构造了一个MySQLTableSource类。 MySQLTableSource 在MySQLTableSource#getScanRuntimeProvider方法里,我们看到,首先构造了一个...
ParseException: Syntax error in line 34:sum(enable)Encountered: ENABLE.Expected: ALL… 之前CDH版本执行无误的SQL,在CDH集群升级到7.1.7版本后执行失败,具体报错信息如下:ParseException: Syntax error in line 34:\nsum(enable) as 辅助\n ^\nEncountered: ENABLE\nExpected: ALL, CASE, CAST, DATE, DEFAUL...
SQL_MAX_TABLES_IN_SELECT (16 位整数) Indicates the maximum number of table names in a FROM clause in a <query specification>. SQL_MAX_USER_NAME_LEN (16 位整数) Indicates the maximum size for a <user identifier> (in bytes). SQL_MODULE_USAGE (32 位掩码) 指示在执行这些语句时具有与其关...
(tab.num_rows,0,1,tab.num_rows),3)*100||'%' "集群因子接近行数"from dba_tables tab, dba_indexes ind where tab.table_name=ind.table_name and tab.ownernot in ('SYS','SYSTEM','WMSYS','DBSNMP','CTXSYS','XDB','ORDDATA','SYSMAN','CATALOG','APEX_030200','MDSYS','OLAPSYS','...
INSERT mytable VALUES ('Dan'); 通过优化锁定,仅当实例中至少有一个使用 RangeI-N 隔离级别的事务时,才会获取 SERIALIZABLE 锁。 RangeI-N 模式键范围锁放置在与名称 David 对应的索引行上,以测试范围。 如果已授权锁,则插入包含值 Dan 的行,并将排他 (X) 锁放置在插入的行上。 RangeI-N ...