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Arrange for an explicit cast applied to an ARRAY[] constructor to be applied

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directly to all the member expressions, instead of the previous implementation
where the ARRAY[] constructor would infer a common element type and then we'd
coerce the finished array after the fact.  This has a number of benefits,
one being that we can allow an empty ARRAY[] construct so long as its
element type is specified by such a cast.

Brendan Jurd, minor fixes by me.
This commit is contained in:
Tom Lane
2008-03-20 21:42:48 +00:00
parent 8759b79d0f
commit 6b0706ac33
11 changed files with 312 additions and 100 deletions
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3
src/include/nodes/nodes.h
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@@ -7,7 +7,7 @@
* Portions Copyright (c) 1996-2008, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
* $PostgreSQL: pgsql/src/include/nodes/nodes.h,v 1.205 2008/01/01 19:45:58 momjian Exp $
* $PostgreSQL: pgsql/src/include/nodes/nodes.h,v 1.206 2008/03/20 21:42:48 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@@ -324,6 +324,7 @@ typedef enum NodeTag
T_FuncCall,
T_A_Indices,
T_A_Indirection,
T_A_ArrayExpr,
T_ResTarget,
T_TypeCast,
T_SortBy,