diff options
Diffstat (limited to 'doc/src/sgml/indexam.sgml')
| -rw-r--r-- | doc/src/sgml/indexam.sgml | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/doc/src/sgml/indexam.sgml b/doc/src/sgml/indexam.sgml index 24c3405f918..c72c522175f 100644 --- a/doc/src/sgml/indexam.sgml +++ b/doc/src/sgml/indexam.sgml @@ -112,10 +112,10 @@ typedef struct IndexAmRoutine bool ampredlocks; /* does AM support parallel scan? */ bool amcanparallel; - /* type of data stored in index, or InvalidOid if variable */ - Oid amkeytype; /* does AM support columns included with clause INCLUDE? */ bool amcaninclude; + /* type of data stored in index, or InvalidOid if variable */ + Oid amkeytype; /* interface functions */ ambuild_function ambuild; @@ -987,8 +987,9 @@ amparallelrescan (IndexScanDesc scan); using <firstterm>unique indexes</firstterm>, which are indexes that disallow multiple entries with identical keys. An access method that supports this feature sets <structfield>amcanunique</structfield> true. - (At present, only b-tree supports it.) Columns listed in the - <literal>INCLUDE</literal> clause are not used to enforce uniqueness. + (At present, only b-tree supports it.) Columns listed in the + <literal>INCLUDE</literal> clause are not considered when enforcing + uniqueness. </para> <para> |