diff options
| author | Bruce Momjian <bruce@momjian.us> | 2007-01-30 02:39:27 +0000 |
|---|---|---|
| committer | Bruce Momjian <bruce@momjian.us> | 2007-01-30 02:39:27 +0000 |
| commit | ae875d318ec160cc0042e17560254928a5ed863c (patch) | |
| tree | 49969a299561b39a4055ba3072a04e74747edb79 /doc/src | |
| parent | a635c08fa10fe545d723bcec6eb73bfdca07e2c0 (diff) | |
Update documentation for pg_get_serial_sequence() function.
Diffstat (limited to 'doc/src')
| -rw-r--r-- | doc/src/sgml/func.sgml | 20 |
1 files changed, 13 insertions, 7 deletions
diff --git a/doc/src/sgml/func.sgml b/doc/src/sgml/func.sgml index 4b03b4df148..87a4ce48dec 100644 --- a/doc/src/sgml/func.sgml +++ b/doc/src/sgml/func.sgml @@ -1,4 +1,4 @@ -<!-- $PostgreSQL: pgsql/doc/src/sgml/func.sgml,v 1.353 2007/01/29 13:24:30 petere Exp $ --> +<!-- $PostgreSQL: pgsql/doc/src/sgml/func.sgml,v 1.354 2007/01/30 02:39:27 momjian Exp $ --> <chapter id="functions"> <title>Functions and Operators</title> @@ -9892,12 +9892,18 @@ SELECT pg_type_is_visible('myschema.widget'::regtype); </para> <para> - <function>pg_get_serial_sequence</function> fetches the name of the - sequence associated with a column, or NULL if there is no sequence - associated with the column. The result is suitably formatted for passing - to the sequence functions (see <xref linkend="functions-sequence">). - This association can be modified or removed with <command>ALTER SEQUENCE - OWNED BY</>. (The function probably should have been called + <function>pg_get_serial_sequence</function> returns the name of the + sequence associated with a column, or NULL if no sequence is associated + with the column. The first input parameter is a table name with + optional schema, and the second parameter is a column name. Because + the first parameter is potentially a schema and table, it is not treated + as a double-quoted identifier, meaning it is lowercased by default, + while the second parameter, being just a column name, is treated as + double-quoted and has its case preserved. The function returns a value + suitably formatted for passing to the sequence functions (see <xref + linkend="functions-sequence">). This association can be modified or + removed with <command>ALTER SEQUENCE OWNED BY</>. (The function + probably should have been called <function>pg_get_owned_sequence</function>; its name reflects the fact that it's typically used with <type>serial</> or <type>bigserial</> columns.) |