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This parameter is invalid for UPDATE and DELETE on old tuples, and the corresponding tuples always output the generated columns. Generated columns are not supported in a distributed system and therefore, this parameter has no actual impact.
If you want to use EXPLAIN ANALYZE on an INSERT, UPDATE, DELETE, CREATE TABLE AS, or EXECUTE statement without letting the statement affect your data, use the following approach: START TRANSACTION; EXPLAIN ANALYZE ...; ROLLBACK; Syntax Display the execution plan of an SQL statement
If a function is defined as IMMUTABLE or SHIPPABLE, avoid INSERT, UPDATE, DELETE, MERGE, and DDL operations in the function because the CN needs to determine the execution node for these operations. Otherwise, an error may occur.
cost=0.00..8.27 rows=1 width=12) | Index Cond: (a = '***') | | Scenario 2: Run the SQL PATCH command to report an error for a specific statement in advance. gaussdb=# select * from dbe_sql_util.drop_sql_patch('patch1'); -- Delete
To delete data from a table, perform the TRUNCATE or DELETE operation on the table. Parameters Table 2 gs_loader parameter description Parameter Parameters Parameter Type: Value Range help Displays help information. - user Database connection user (equivalent to -U).
To prevent residual indexes from occupying system resources and generating unexpected errors, you need to manually delete them as soon as possible.
Before using key, delete single-byte character (SBC) spaces before and after the value. The value cannot contain the following special characters: +/?#&=,% The tag value can be left blank. It can contain up to 255 Unicode characters.
Check what operations are allowed on read replicas. 403 DBS.200819 You are not allowed to delete database users on read replicas. You are not allowed to delete database users on read replicas.
Keywords such as BEGIN, BY, CLOSE, CURSOR, DECLARE, DELETE, EXECUTE, FUNCTION, IF, IMMEDIATE, INSERT, LOOP, MOVE, OF, REF, RELEASE, RETURN, SAVEPOINT, STRICT, TYPE, and UPDATE without double quotation marks cannot be used as variable names.
Keywords such as BEGIN, BY, CLOSE, CURSOR, DECLARE, DELETE, EXECUTE, FUNCTION, IF, IMMEDIATE, INSERT, LOOP, MOVE, OF, REF, RELEASE, RETURN, SAVEPOINT, STRICT, TYPE, and UPDATE without double quotation marks cannot be used as variable names.
Return type: record pgxc_get_sql_count Description: Provides the counts of the SELECT, UPDATE, INSERT, DELETE, and MERGE INTO statements executed on all the nodes in the current entire cluster.
Only simple DELETE statements are supported. For example: DELETE FROM t1 WHERE c1 = ? and c2 = 10; Columns c1 and c2 are index columns, which can be followed by constants or parameters. Only simple UPDATE statements are supported. For example: UPDATE t1 SET c3 = c3+?
If it does, copy its data elsewhere, delete it, and call the copy_error_log_create() function to create the table. For details about columns in the public.pgxc_copy_error_log table, see Table 2.
FROM XMLTEST; DELETE 2 gaussdb=# INSERT INTO xmltest VALUES (1, '<?
FROM XMLTEST; DELETE 2 gaussdb=# INSERT INTO xmltest VALUES (1, '<?
-c, --clean Runs SQL statements to delete databases before rebuilding them. Statements for dumping roles and tablespaces are added. -g, --globals-only Dumps only global objects (roles and tablespaces) but no databases. -o, --oids Dumps OIDs as parts of the data in each table.
-c, --clean Runs SQL statements to delete databases before rebuilding them. Statements for dumping roles and tablespaces are added. -g, --globals-only Dumps only global objects (roles and tablespaces) but no databases. -o, --oids Dumps OIDs as parts of the data in each table.
ORDER BY c1,c2; c1 | c2 ----+---- 1 | a 2 | b 3 | c (3 rows) gaussdb=# SELECT * FROM insert_all_test2 ORDER BY c1,c2; c1 | c2 ----+---- 1 | a 2 | b (2 rows) gaussdb=# SELECT * FROM insert_all_test3 ORDER BY c1,c2; c1 | c2 ----+---- 4 | d 5 | e (2 rows) -- Delete
| text | f | 0 | 5 | -1 | 0 | | | {0,1,10,11,12,13,14,15,16,17,18,19,2,20,21,22,23,24,25,26,27,28,29,3,30,31,32,33,3 4,35,36,37,38,39,4,40,41,42,43,44,45,46,47,48,49,5,6,7,8,9} (6 rows) Delete
| text | f | 0 | 5 | -1 | 0 | | | {0,1,10,11,12,13,14,15,16,17,18,19,2,20,21,22,23,24,25,26,27,28,29,3,30,31,32,33,3 4,35,36,37,38,39,4,40,41,42,43,44,45,46,47,48,49,5,6,7,8,9} (6 rows) Delete
