diff options
Diffstat (limited to 'doc/src')
| -rw-r--r-- | doc/src/sgml/indexam.sgml | 17 |
1 files changed, 9 insertions, 8 deletions
diff --git a/doc/src/sgml/indexam.sgml b/doc/src/sgml/indexam.sgml index bda539c3857..d6b83060485 100644 --- a/doc/src/sgml/indexam.sgml +++ b/doc/src/sgml/indexam.sgml @@ -1,5 +1,5 @@ <!-- -$PostgreSQL: pgsql/doc/src/sgml/indexam.sgml,v 2.1 2005/02/13 03:04:15 tgl Exp $ +$PostgreSQL: pgsql/doc/src/sgml/indexam.sgml,v 2.2 2005/03/21 01:23:55 tgl Exp $ --> <chapter id="indexam"> @@ -151,16 +151,16 @@ ambuild (Relation heapRelation, <para> <programlisting> -InsertIndexResult +bool aminsert (Relation indexRelation, - Datum *datums, - char *nulls, + Datum *values, + bool *isnull, ItemPointer heap_tid, Relation heapRelation, bool check_uniqueness); </programlisting> - Insert a new tuple into an existing index. The <literal>datums</> and - <literal>nulls</> arrays give the key values to be indexed, and + Insert a new tuple into an existing index. The <literal>values</> and + <literal>isnull</> arrays give the key values to be indexed, and <literal>heap_tid</> is the TID to be indexed. If the access method supports unique indexes (its <structname>pg_am</>.<structfield>amcanunique</> flag is true) then @@ -168,8 +168,9 @@ aminsert (Relation indexRelation, must verify that there is no conflicting row; this is the only situation in which the access method normally needs the <literal>heapRelation</> parameter. See <xref linkend="index-unique-checks"> for details. - The result is a struct that must be pfree'd by the caller. (The result - struct is really quite useless and should be removed...) + The result is TRUE if an index entry was inserted, FALSE if not. (A FALSE + result does not denote an error condition, but is used for cases such + as an index AM refusing to index a NULL.) </para> <para> |