start a transaction block NAME BEGIN - start a transaction block SYNOPSIS BEGIN [ WORK | TRANSACTION ] [ transaction_mode [, .......D | READ UNCOMMITTED } READ WRITE | READ ONLY [ NOT ] DEFERRABLE DESCRIPTION This command begins a new transaction block. If the isolation level, read/write mode, or deferrable …...ce you obtain the lock, there are no uncommitted writes outstanding; furthermore none can begin until you release the lock. To achieve a similar effect when running a transactio…...ly transaction. NOTES If SET TRANSACTION is executed without a prior START TRANSACTION or BEGIN , it emits a warning and otherwise has no effect. It is possible to dispense with…...support for semantic markup. Use the mdoc(7) language, instead. In a man document, lines beginning with the control character ‘.’ are called “macro lines”. The first word is the…...TY section describes compatibility with other implementations. In an mdoc document, lines beginning with the control character ‘.’ are called “macro lines”. The first word is th…...a savepoint and later undo the effects of all commands executed after it was established: BEGIN; INSERT INTO table1 VALUES (1); SAVEPOINT my_savepoint; INSERT INTO table1 VALUES…...er for manual pages. For complete roff manuals, consult the SEE ALSO section. Input lines beginning with the control character ‘.’ are parsed for requests and macros. Such lines…...ease progressively older savepoints. EXAMPLES To establish and later release a savepoint: BEGIN; INSERT INTO table1 VALUES (3); SAVEPOINT my_savepoint; INSERT INTO table1 VALUES…...LBACK TO SAVEPOINT my_savepoint; Cursor positions are not affected by savepoint rollback: BEGIN; DECLARE foo CURSOR FOR SELECT 1 UNION SELECT 2; SAVEPOINT foo; FETCH 1 FROM foo;…...ms to the SQL standard. The form ROLLBACK TRANSACTION is a PostgreSQL extension. SEE ALSO BEGIN (7), COMMIT (7), ROLLBACK TO SAVEPOINT ( ROLLBACK_TO_SAVEPOINT (7))...present for historical reasons. ROLLBACK is the equivalent standard SQL command. SEE ALSO BEGIN (7), COMMIT (7), ROLLBACK (7)...des functionality equivalent to COMMIT , which is specified in the SQL standard. SEE ALSO BEGIN (7), COMMIT (7), ROLLBACK (7)...orms to the SQL standard. The form COMMIT TRANSACTION is a PostgreSQL extension. SEE ALSO BEGIN (7), ROLLBACK (7)...The name of an existing schema. new_name The new name of the schema. The new name cannot begin with pg_, as such names are reserved for system schemas. new_owner The new owner o…...nly apply LOAD to library files located in $libdir/plugins/ — the specified filename must begin with exactly that string. (It is the database administrator's responsibility to e…...at a FETCH command with the same parameters would have returned (possibly zero). EXAMPLES BEGIN WORK; DECLARE liahona CURSOR FOR SELECT * FROM films; -- Skip the first 5 rows: M…...e: int( value ) Parameters: sp[0] is the value Returns the result in sp[0]. jmain Go from BEGIN code to MAIN code . Usage: (internal state) Parameters: none jmp Jump to a new by…...rant all privileges on all views in schema public to role webuser: DO $$DECLARE r record; BEGIN FOR r IN SELECT table_schema, table_name FROM information_schema.tables WHERE tab…...e of an existing tablespace. new_name The new name of the tablespace. The new name cannot begin with pg_, as such names are reserved for system tablespaces. new_owner The new ow…