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array_map can't use the fn_extra field of the provided fcinfo struct as

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its private storage, because that belongs to the function that it is
supposed to call.  Per report from Ezequiel Tolnay.
This commit is contained in:
Tom Lane
2005-03-24 21:50:38 +00:00
parent 8269ad4ffe
commit 0dca4fcb0e
2 changed files with 33 additions and 34 deletions
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14
src/include/utils/array.h
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@ -10,7 +10,7 @@
* Portions Copyright (c) 1996-2005, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
* $PostgreSQL: pgsql/src/include/utils/array.h,v 1.52 2005/02/28 03:45:23 neilc Exp $
* $PostgreSQL: pgsql/src/include/utils/array.h,v 1.53 2005/03/24 21:50:38 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@ -64,6 +64,15 @@ typedef struct ArrayMetaState
FmgrInfo proc;
} ArrayMetaState;
/*
* private state needed by array_map (here because caller must provide it)
*/
typedef struct ArrayMapState
{
ArrayMetaState inp_extra;
ArrayMetaState ret_extra;
} ArrayMapState;
/*
* fmgr macros for array objects
*/
@ -149,7 +158,8 @@ extern ArrayType *array_set_slice(ArrayType *array, int nSubscripts,
int arraylen, int elmlen, bool elmbyval, char elmalign,
bool *isNull);
extern Datum array_map(FunctionCallInfo fcinfo, Oid inpType, Oid retType);
extern Datum array_map(FunctionCallInfo fcinfo, Oid inpType, Oid retType,
ArrayMapState *amstate);
extern ArrayType *construct_array(Datum *elems, int nelems,
Oid elmtype,