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| $PostgreSQL: pgsql/doc/src/sgml/ref/commit.sgml,v 1.20 2006/09/16 00:30:17 momjian Exp $ |
| PostgreSQL documentation |
| --> |
| |
| <refentry id="SQL-COMMIT"> |
| <refmeta> |
| <refentrytitle id="SQL-COMMIT-TITLE">COMMIT</refentrytitle> |
| <refmiscinfo>SQL - Language Statements</refmiscinfo> |
| </refmeta> |
| |
| <refnamediv> |
| <refname>COMMIT</refname> |
| <refpurpose>commit the current transaction</refpurpose> |
| </refnamediv> |
| |
| <indexterm zone="sql-commit"> |
| <primary>COMMIT</primary> |
| </indexterm> |
| |
| <refsynopsisdiv> |
| <synopsis> |
| COMMIT [ WORK | TRANSACTION ] |
| </synopsis> |
| </refsynopsisdiv> |
| |
| <refsect1> |
| <title>Description</title> |
| |
| <para> |
| <command>COMMIT</command> commits the current transaction. All |
| changes made by the transaction become visible to others |
| and are guaranteed to be durable if a crash occurs. |
| </para> |
| </refsect1> |
| |
| <refsect1> |
| <title>Parameters</title> |
| |
| <variablelist> |
| <varlistentry> |
| <term><literal>WORK</literal></term> |
| <term><literal>TRANSACTION</literal></term> |
| <listitem> |
| <para> |
| Optional key words. They have no effect. |
| </para> |
| </listitem> |
| </varlistentry> |
| </variablelist> |
| </refsect1> |
| |
| <refsect1> |
| <title>Notes</title> |
| |
| <para> |
| Use <xref linkend="SQL-ROLLBACK" endterm="SQL-ROLLBACK-TITLE"> to |
| abort a transaction. |
| </para> |
| |
| <para> |
| Issuing <command>COMMIT</> when not inside a transaction does |
| no harm, but it will provoke a warning message. |
| </para> |
| </refsect1> |
| |
| <refsect1> |
| <title>Examples</title> |
| |
| <para> |
| To commit the current transaction and make all changes permanent: |
| <programlisting> |
| COMMIT; |
| </programlisting> |
| </para> |
| </refsect1> |
| |
| <refsect1> |
| <title>Compatibility</title> |
| |
| <para> |
| The SQL standard only specifies the two forms |
| <literal>COMMIT</literal> and <literal>COMMIT |
| WORK</literal>. Otherwise, this command is fully conforming. |
| </para> |
| </refsect1> |
| |
| <refsect1> |
| <title>See Also</title> |
| |
| <simplelist type="inline"> |
| <member><xref linkend="sql-begin" endterm="sql-begin-title"></member> |
| <member><xref linkend="sql-rollback" endterm="sql-rollback-title"></member> |
| </simplelist> |
| </refsect1> |
| </refentry> |