diff options
Diffstat (limited to 'doc/src')
| -rw-r--r-- | doc/src/sgml/mvcc.sgml | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/doc/src/sgml/mvcc.sgml b/doc/src/sgml/mvcc.sgml index 8f8858294dc..d5c6076d4aa 100644 --- a/doc/src/sgml/mvcc.sgml +++ b/doc/src/sgml/mvcc.sgml @@ -260,6 +260,18 @@ command <xref linkend="sql-set-transaction">. </para> + <important> + <para> + Some <productname>PostgreSQL</productname> data types and functions have + special rules regarding transactional behaviour. In particular, changes + made to a <literal>SEQUENCE</literal> (and therefore the counter of a + column declared using <literal>SERIAL</literal>) are immediately visible + to all other transactions and are not rolled back if the transaction + that made the changes aborts. See <xref linkend="functions-sequence"> + and <xref linkend="datatype-serial">. + </para> + </important> + <sect2 id="xact-read-committed"> <title>Read Committed Isolation Level</title> |