diff options
| -rw-r--r-- | doc/src/sgml/func.sgml | 20 | ||||
| -rw-r--r-- | src/backend/utils/adt/ruleutils.c | 4 |
2 files changed, 16 insertions, 8 deletions
diff --git a/doc/src/sgml/func.sgml b/doc/src/sgml/func.sgml index 5f7a8322f76..8c3ca324a4c 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 1.347.2.1 2007/01/12 23:35:03 tgl Exp $ --> +<!-- $PostgreSQL: pgsql/doc/src/sgml/func.sgml,v 1.347.2.2 2007/01/30 02:32:04 momjian Exp $ --> <chapter id="functions"> <title>Functions and Operators</title> @@ -9882,12 +9882,18 @@ 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.) diff --git a/src/backend/utils/adt/ruleutils.c b/src/backend/utils/adt/ruleutils.c index adcc987e5d7..7b57c5bb11c 100644 --- a/src/backend/utils/adt/ruleutils.c +++ b/src/backend/utils/adt/ruleutils.c @@ -2,7 +2,7 @@ * ruleutils.c - Functions to convert stored expressions/querytrees * back to source text * - * $PostgreSQL: pgsql/src/backend/utils/adt/ruleutils.c,v 1.235.2.1 2007/01/25 04:17:56 momjian Exp $ + * $PostgreSQL: pgsql/src/backend/utils/adt/ruleutils.c,v 1.235.2.2 2007/01/30 02:32:05 momjian Exp $ **********************************************************************/ #include "postgres.h" @@ -1232,6 +1232,8 @@ pg_get_userbyid(PG_FUNCTION_ARGS) * pg_get_serial_sequence * Get the name of the sequence used by a serial column, * formatted suitably for passing to setval, nextval or currval. + * First parameter is not treated as double-quoted, second parameter + * is --- see documentation for reason. */ Datum pg_get_serial_sequence(PG_FUNCTION_ARGS) |