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This parameter is invalid for UPDATE and DELETE on old tuples, and the corresponding tuples always output the stored generated columns. Value range: Boolean.
Return type: text pg_stat_get_last_data_changed_time(oid) Description: Returns the time when INSERT, UPDATE, DELETE, or EXCHANGE/TRUNCATE/DROP PARTITION was performed last time on a table.
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+?
FROM XMLTEST; DELETE 2 gaussdb=# INSERT INTO xmltest VALUES (1, '<?
Such names can be used to access the result sets of subqueries in a query. – column_name specifies the column name displayed in the subquery result set. – Each subquery can be a SELECT, VALUES, INSERT, UPDATE, or DELETE statement.
Such names can be used to access the result sets of subqueries in a query. -- column_name specifies the column name displayed in the subquery result set. – Each subquery can be a SELECT, VALUES, INSERT, UPDATE or DELETE statement.
Before using value, delete SBC spaces before and after the value. The value cannot contain the following special characters: +/?#&=,% If the value is left blank, it indicates any_value (querying any value).
Before using value, delete SBC spaces before and after it. The value cannot contain the following special characters: +/?#&=,% If the tag value is left blank, it indicates any_value (querying any value).
Before using value, delete SBC spaces before and after the value. The value cannot contain the following special characters: +/?#&=,% If the value is left blank, it indicates any_value (querying any value).
Tobias | 30 | 2006-11-15 00:00:00 | yq1 | 30 | 2003-05-18 00:00:00 | yq2 | 30 | 2003-05-18 00:00:00 2007-12-10 00:00:00 | yq3 | 30 | 2003-05-18 00:00:00 (13 rows) -- Delete
The prototype of the PKG_UTIL.UTILITY_FORMAT_CALL_STACK function is as follows: 1 2 PKG_UTIL.UTILITY_FORMAT_CALL_STACK() RETURN TEXT; Examples -- Delete a schema. drop schema if exists pkg_var_test cascade; -- Create a schema named pkg_var_test. create schema pkg_var_test; -- Set
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.
DELETE statements can be used for deleting multiple tables.
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+?
hint_t1 (cost=0.00..8.27 rows=1 width=12) | Index Cond: (a = '***') | | Scenario 2: Use an SQL patch to report an error for a specific statement in advance. gaussdb=# select * from dbe_sql_util.drop_sql_patch('patch1'); -- Delete
into dest; EXECUTE IMMEDIATE PSV_SQL1 into copyto; DBE_LOB.WRITE(dest, amount, 1, source); DBE_LOB.WRITE_APPEND(dest, amount, source); DBE_LOB.ERASE(dest, a, 1); DBE_OUTPUT.PRINT_LINE(a); DBE_LOB.COPY(copyto, dest, amount, 10, 1); perform DBE_LOB.CLOSE(dest); RETURN; END; / -- Delete
------------------------------------------------------------------------------------- Aggregate (cost=0.10..0.11 rows=1 width=20) -> Data Node Scan on "__REMOTE_GROUP_QUERY__" (cost=0.00..0.00 rows=20 width=4) Node/s: All datanodes (3 rows) Delete
IMMEDIATE PSV_SQL1 into copyto; DBE_LOB.WRITE(dest, amount, 1, source); DBE_LOB.WRITE_APPEND(dest, amount, source); DBE_LOB.ERASE(dest, a, 1); DBE_OUTPUT.PRINT_LINE(a); DBE_LOB.COPY(copyto, dest, amount, 10, 1); perform DBE_LOB.CLOSE(dest); RETURN; END; / 1 ANONYMOUS BLOCK EXECUTE -- Delete
In this case, you are advised to delete the index and try CONCURRENTLY again to create the index. After the second scan, index creation must wait for any transaction that holds a snapshot earlier than the snapshot taken by the second scan to terminate.
