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-rw-r--r--src/backend/parser/parse_node.c12
-rw-r--r--src/include/catalog/pg_type.h2
2 files changed, 14 insertions, 0 deletions
diff --git a/src/backend/parser/parse_node.c b/src/backend/parser/parse_node.c
index f775850e049..093b789d23f 100644
--- a/src/backend/parser/parse_node.c
+++ b/src/backend/parser/parse_node.c
@@ -268,6 +268,18 @@ transformArraySubscripts(ParseState *pstate,
elementType = transformArrayType(arrayType);
/*
+ * We treat int2vector and oidvector as though they were domains over
+ * int2[] and oid[]. This is needed because array slicing could create an
+ * array that doesn't satisfy the dimensionality constraints of the
+ * xxxvector type; so we want the result of a slice operation to be
+ * considered to be of the more general type.
+ */
+ if (arrayType == INT2VECTOROID)
+ arrayType = INT2ARRAYOID;
+ else if (arrayType == OIDVECTOROID)
+ arrayType = OIDARRAYOID;
+
+ /*
* A list containing only single subscripts refers to a single array
* element. If any of the items are double subscripts (lower:upper), then
* the subscript expression means an array slice operation. In this case,
diff --git a/src/include/catalog/pg_type.h b/src/include/catalog/pg_type.h
index d687d74b7bf..e6bbd68bd22 100644
--- a/src/include/catalog/pg_type.h
+++ b/src/include/catalog/pg_type.h
@@ -430,6 +430,7 @@ DATA(insert OID = 1001 ( _bytea PGNSP PGUID -1 f b A f t \054 0 17 0 array_in
DATA(insert OID = 1002 ( _char PGNSP PGUID -1 f b A f t \054 0 18 0 array_in array_out array_recv array_send - - - i x f 0 -1 0 _null_ _null_ ));
DATA(insert OID = 1003 ( _name PGNSP PGUID -1 f b A f t \054 0 19 0 array_in array_out array_recv array_send - - - i x f 0 -1 0 _null_ _null_ ));
DATA(insert OID = 1005 ( _int2 PGNSP PGUID -1 f b A f t \054 0 21 0 array_in array_out array_recv array_send - - - i x f 0 -1 0 _null_ _null_ ));
+#define INT2ARRAYOID 1005
DATA(insert OID = 1006 ( _int2vector PGNSP PGUID -1 f b A f t \054 0 22 0 array_in array_out array_recv array_send - - - i x f 0 -1 0 _null_ _null_ ));
DATA(insert OID = 1007 ( _int4 PGNSP PGUID -1 f b A f t \054 0 23 0 array_in array_out array_recv array_send - - - i x f 0 -1 0 _null_ _null_ ));
#define INT4ARRAYOID 1007
@@ -437,6 +438,7 @@ DATA(insert OID = 1008 ( _regproc PGNSP PGUID -1 f b A f t \054 0 24 0 array_i
DATA(insert OID = 1009 ( _text PGNSP PGUID -1 f b A f t \054 0 25 0 array_in array_out array_recv array_send - - - i x f 0 -1 0 _null_ _null_ ));
#define TEXTARRAYOID 1009
DATA(insert OID = 1028 ( _oid PGNSP PGUID -1 f b A f t \054 0 26 0 array_in array_out array_recv array_send - - - i x f 0 -1 0 _null_ _null_ ));
+#define OIDARRAYOID 1028
DATA(insert OID = 1010 ( _tid PGNSP PGUID -1 f b A f t \054 0 27 0 array_in array_out array_recv array_send - - - i x f 0 -1 0 _null_ _null_ ));
DATA(insert OID = 1011 ( _xid PGNSP PGUID -1 f b A f t \054 0 28 0 array_in array_out array_recv array_send - - - i x f 0 -1 0 _null_ _null_ ));
DATA(insert OID = 1012 ( _cid PGNSP PGUID -1 f b A f t \054 0 29 0 array_in array_out array_recv array_send - - - i x f 0 -1 0 _null_ _null_ ));