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A share lock blocks other transaction from performing UPDATE, DELETE, or SELECT FOR UPDATE on these rows, but it does not prevent them from performing SELECT FOR SHARE.
The UPDATE, DELETE, and INSERT statements can be executed only by the initial user in in-place upgrade mode or by the administrator in redistribution mode. The number of records modified by the statements on each instance must be the same.
command file %s specified neither primary_conninfo nor restore_command. errhint: The database server will regularly poll the pg_xlog subdirectory to check for files placed there. level:WARNING GS_113120083 errmsg:could not reset replication slot at the end of recovery. errhint: Delete
search configuration. 1 ALTER TEXT SEARCH CONFIGURATION ngram1 OWNER TO joe; Change the schema of text search configuration. 1 ALTER TEXT SEARCH CONFIGURATION ngram1 SET SCHEMA joe; Rename a text search configuration. 1 ALTER TEXT SEARCH CONFIGURATION joe.ngram1 RENAME TO ngram_1; Delete
values LESS THAN (60), PARTITION p2 values LESS THAN (75), PARTITION p3 values LESS THAN (90), PARTITION p4 VALUES LESS THAN (maxvalue) ); INSERT OVERWRITE INTO test_range_row PARTITION(p1) VALUES(55,51); INSERT OVERWRITE INTO test_range_row PARTITION(p3) VALUES(85,80); DELETE
password '{Password}'; ALTER TEXT SEARCH CONFIGURATION ngram1 OWNER TO joe; Change the schema of text search configuration. 1 ALTER TEXT SEARCH CONFIGURATION ngram1 SET SCHEMA joe; Rename a text search configuration. 1 ALTER TEXT SEARCH CONFIGURATION joe.ngram1 RENAME TO ngram_1; Delete
Lock Purpose Conflict 1 AccessShareLock SELECT 8 2 RowShareLock SELECT FOR UPDATE/FOR SHARE 7 | 8 3 RowExclusiveLock INSERT/UPDATE/DELETE 5 | 6 | 7 | 8 4 ShareUpdateExclusiveLock VACUUM 4 | 5 | 6 | 7 | 8 5 ShareLock CREATE INDEX 3 | 4 | 6 | 7 | 8 6 ShareRowExclusiveLock ROW SELECT
BEGIN INSERT INTO db(a,b) VALUES (key, data); RETURN; EXCEPTION WHEN unique_violation THEN -- Loop to try the UPDATE again: END; END LOOP; END; $$ LANGUAGE plpgsql; SELECT merge_db(1, 'david'); SELECT merge_db(1, 'dennis'); -- Delete
DML statements are recorded, including: the execution of SELECT, INSERT, UPDATE, and DELETE the execution of EXPLAIN ANALYZE and EXPLAIN PERFORMANCE the use of the query-level or perf-level views The entry statements for invoking functions and stored procedures are recorded.
BEGIN INSERT INTO db(a,b) VALUES (key, data); RETURN; EXCEPTION WHEN unique_violation THEN -- Loop to try the UPDATE again: END; END LOOP; END; $$ LANGUAGE plpgsql; SELECT merge_db(1, 'david'); SELECT merge_db(1, 'dennis'); -- Delete
Data Studio allows you to reset counters in the following pages: Display DDL Tablespace, Display DDL User/Role, Batch Delete, Result Set, and Execution Plan. Data Studio displays an error message indicating that no result is found in the status bar.
If this parameter is not set and the UPDATE or DELETE statement executed in the current session detects that tuples have been updated, the UPDATE or DELETE statement of the current session will be re-executed to ensure data consistency.
If an error occurs during table creation, after it is fixed, the system may fail to delete the empty disk files created before the last automatic clearance. This problem seldom occurs.
ProjectionPushdown updates the rte but fails to update the var based on the new rte, leading to a core dump during quals processing. 8.1.3.323 Overflow occurs when the number of WHERE conditions in a DELETE statement exceeds the upper limit.
Parameters: table can be declared by name (text type) or OID. privilege is declared using a text string, which can be SELECT, INSERT, UPDATE, DELETE, TRUNCATE, REFERENCES, or TRIGGER, or multiple permission types separated by commas (,).
Cluster scale-in: Delete nodes from an existing cluster. It applies to scenarios where both computing and storage resources are redundant. Resize: Upgrade or downgrade the specifications of an existing cluster or migrate the cluster to a new cluster with new specifications.
Add and modify the index comment. 1 2 ALTER INDEX [ IF EXISTS ] index_name COMMENT 'text'; Delete the index comment. 1 2 3 4 ALTER INDEX [ IF EXISTS ] index_name COMMENT ''; ALTER INDEX [ IF EXISTS ] index_name COMMENT NULL; Parameter Description IF EXISTS If the specified
In this way, the sequence will be deleted when you delete its associated field or the table where the field belongs. The associated table and sequence must be owned by the same user and in the same schema.
CALL regress_record('abc'); INFO: employer name: WARD , epno:18 INFO: employer1 name: WARD , epno: 18 INFO: employer1 name: <NULL> , epno: <NULL> INFO: employer2 name: SCOTT ,epno: 10 -- Delete the stored procedure.
Delete partition P6 from the partitioned table customer_address: 1 ALTER TABLE customer_address DROP PARTITION P6; Delete partitions P3, P4, and P5 from the partitioned table customer_address. 1 ALTER TABLE customer_address DROP PARTITION P3, P4, P5; Helpful Links CREATE TABLE PARTITION
