START-TRANSACTION — Open a transaction block.
Function
A database object. This will default to the value of *default-database*.
Starts a transaction block on database which defaults to *default-database* and which continues until rollback or commit are called.
(in-transaction-p) => NIL (select [*] :from [foo] :field-names nil) => NIL (start-transaction) => NIL (in-transaction-p) => T (insert-records :into [foo] :av-pairs '(([bar] 1) ([baz] "one"))) => (select [*] :from [foo] :field-names nil) => ((1 "one")) (rollback) => NIL (in-transaction-p) => NIL (select [*] :from [foo] :field-names nil) => NIL
Autocommit mode is disabled and if database is currently within the scope of a transaction, all commit and rollback hooks are removed and the transaction level associated with database is modified.