SET table.optimizer.mysql-cdc-source.merge.enabled=true; SET table.optimizer.mysql-cdc-source.merge.default-group.splits=2; insert into sink_1 select * from source_1; insert into sink_2 select * from source_2; insert into sink_3 select * from source_3; insert into sink_4 select...
I'm a bit worried to split into multiple tables and add an extra WHERE condition for the UserId, for example: SELECT size FROM files WHERE filename = 'filename\\651625\\hello' AND UserId = '33'; What do you think ? Thanks
mysql>create tabletest1(id int,namevarchar(255),age int);QueryOK,0rowsaffected(0.07sec)mysql>insert into test1values(1,"zs",18),(2,"ls",19),(3,"ww",20),(4,"ml",21),(5,"tt",22) 2、首先启动“QueryDatabaseTable”处理器观察队列数据 3、单独启动“ConvertAvroToJson”处理器观察队列...
下面是一个使用mermaid语法中的flowchart TD来表示 regexp_split_to_table 函数的流程图: 输入待分割字符串和分隔符使用正则表达式分割字符串生成包含分割结果的表格输出结果 结论 通过使用regexp_split_to_table函数,我们可以方便地将一个字符串按照指定的分隔符进行分割,实现更灵活的数据处理和分析。在处理类似旅行路...
TABLES.CHECKSUM TABLES.CHECK_TIME TABLES.CREATE_TIME TABLES.DATA_FREE TABLES.DATA_LENGTH TABLES.INDEX_LENGTH TABLES.MAX_DATA_LENGTH TABLES.TABLE_ROWS TABLES.UPDATE_TIME Those columns represent【ˌreprɪˈzent代表,表示;(在竞赛或体育赛事中)代表(国家或地区);(标志或符号)意味着,代表着,标志着;描...
| Tables_in_testdb | +---+ | test_table | +---+ 1 row in set (0.02 sec) mysql> insert into test_table(id,password) values('1','test1'); Query OK, 1 row affected (0.04 sec) mysql> select * from test_table; +---+--...
var options = {sql: '...', nestTables: '_'}; connection.query(options, function (error, results, fields) { if (error) throw error; /* results will be an array like this now: [{ table1_fieldA: '...', table1_fieldB: '...', table2_fieldA: '...', table2_fieldB: '.....
For more information, see Section 13.1.18, “CREATE TABLE Statement”. The word COLUMN is optional and can be omitted. Multiple ADD, ALTER, DROP, and CHANGE clauses are permitted in a single ALTER TABLE statement, separated by commas. This is a MySQL extension to standard SQL, which ...
void inc_status_created_tmp_disk_tables () void inc_status_created_tmp_tables () void inc_status_count_hit_tmp_table_size () void inc_status_select_full_join () void inc_status_select_full_range_join () void inc_status_select_range ()...
I need to split table rows into columns. This table has 4 columns. ID, Sample_ID, White, Brown. |ID|Sample_ID|White|Brown| |1|A|NO|YES| |1|B|NO|NO| |2|A|NO|YES| |2|B|YES|NO| |2|C|YES|NO| |3|A|NO|YES| I want to split the above to show like this:...