diff options
Diffstat (limited to 'doc/src')
| -rw-r--r-- | doc/src/sgml/func.sgml | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/doc/src/sgml/func.sgml b/doc/src/sgml/func.sgml index 93b0bc2bc6e..b694b2883c3 100644 --- a/doc/src/sgml/func.sgml +++ b/doc/src/sgml/func.sgml @@ -25130,6 +25130,30 @@ SELECT pg_type_is_visible('myschema.widget'::regtype); </row> <row> + <entry role="func_table_entry"><para role="func_signature"> + <indexterm> + <primary>pg_basetype</primary> + </indexterm> + <function>pg_basetype</function> ( <type>regtype</type> ) + <returnvalue>regtype</returnvalue> + </para> + <para> + Returns the OID of the base type of a domain identified by its + type OID. If the argument is the OID of a non-domain type, + returns the argument as-is. Returns NULL if the argument is + not a valid type OID. If there's a chain of domain dependencies, + it will recurse until finding the base type. + </para> + <para> + Assuming <literal>CREATE DOMAIN mytext AS text</literal>: + </para> + <para> + <literal>pg_basetype('mytext'::regtype)</literal> + <returnvalue>text</returnvalue> + </para></entry> + </row> + + <row> <entry id="pg-char-to-encoding" role="func_table_entry"><para role="func_signature"> <indexterm> <primary>pg_char_to_encoding</primary> |