I created a databased and then added a table to that: create table birthday_1 (id integer primary key, name text, birth_year year); insert into birthday_1 values (1, "Rathon" , 1963); select * from birthday_1 The above is working fine. Then I add a new Column to the ta...
(MYPID) references <Referenced table> (PID); I also tried to randomly generate about 60 tables on MySQL 8.0.35, it run quickly as your case I think if the system has a large number of tables it may have problems. Another things, I check the explanation of query and I don't know ...
SHOW CREATE TABLE test_nodefault; show table status like 'test%'; And the log: mysql> create table test_default(text char(5)) DEFAULT CHARACTER SET latin1 COLLATE latin1_german1_ci; Query OK, 0 rows affected (0.11 sec) mysql> SHOW CREATE TABLE test_default; +---+---...
5.4.30 mysql_get_option() intmysql_get_option(MYSQL*mysql,enummysql_option option,constvoid*arg) Description Returns the current value of an option settable usingmysql_options(). The value should be treated as read only. Theoptionargument is the option for which you want its value. Thearg...
mysql>DROPTABLEtest.no_such_table;ERROR 1051 (42S02):Unknown table 'test.no_such_table'mysql>GETDIAGNOSTICSCONDITION1@p1=RETURNED_SQLSTATE,@p2=MESSAGE_TEXT;mysql>SELECT@p1,@p2;+---+---+|@p1|@p2|+---+---+|42S02|Unknown table 'test.no_such_table'|+---+---+ This extension applie...
You can open the Advanced Editor from Query Editor’s Home or View tabs, where you can modify the M Language steps associated with the existing query, or create your own. When you’re done creating your query you can select Close & Load from the Home tab, and the...
You must pass in either an existing QueryContext or a function that will create a new one. Example 1: Creating a new QueryContext In this case, the selectAsync expression will create the QueryContext using the given openContext function, and it will also dispose it for you automatically. le...
域取值: -DatabseName; -CreateTime; -UpdateTime; 默认值:{"Type": "Desc","Field": "DatabaseName"}; { "Type": "Desc", "Field": "DatabaseName" } FilterSchemaName string 否 数据库名。 test_db PageNumber long 否 页码,取值为大于 0 且不超过 Integer 数据类型的最大值。默认值为 1。
in the code, only some test points are described here. $ cd flink-sql-lineage $ mvn test 3.1 Create statement Create three new tablesbelow, namely: ods_mysqlusers, dim_mysql_company and dwd_hudi_users. 3.1.1 New mysql cdc table-ods_mysql_users DROPTABLE...
My simple query: index is exist on joined columns: model_id,srvc_plcy_id SELECT COUNT(*) FROM wu_01 w01 ,wu_02 w02 where w01.srvc_plcy_id=w02.srvc_plcy_id and w01.model_id=w02.model_id Table Create Table --- --- wu_01 CREATE TABLE `wu_01` ( `model_id` bigint(20) DEF...