diff options
Diffstat (limited to 'src/include/nodes/execnodes.h')
| -rw-r--r-- | src/include/nodes/execnodes.h | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/src/include/nodes/execnodes.h b/src/include/nodes/execnodes.h index 538e679cdf3..4ad5131aa97 100644 --- a/src/include/nodes/execnodes.h +++ b/src/include/nodes/execnodes.h @@ -118,9 +118,11 @@ typedef struct ExprState * entries for a particular index. Used for both index_build and * retail creation of index entries. * - * NumIndexAttrs number of columns in this index + * NumIndexAttrs total number of columns in this index + * NumIndexKeyAttrs number of key columns in index * KeyAttrNumbers underlying-rel attribute numbers used as keys - * (zeroes indicate expressions) + * (zeroes indicate expressions). It also contains + * info about included columns. * Expressions expr trees for expression entries, or NIL if none * ExpressionsState exec state for expressions, or NIL if none * Predicate partial-index predicate, or NIL if none @@ -146,7 +148,8 @@ typedef struct ExprState typedef struct IndexInfo { NodeTag type; - int ii_NumIndexAttrs; + int ii_NumIndexAttrs; /* total number of columns in index */ + int ii_NumIndexKeyAttrs; /* number of key columns in index */ AttrNumber ii_KeyAttrNumbers[INDEX_MAX_KEYS]; List *ii_Expressions; /* list of Expr */ List *ii_ExpressionsState; /* list of ExprState */ |