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Tigthen binary receive functions so that they reject values that the text

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input functions don't accept either. While the backend can handle such
values fine, they can cause trouble in clients and in pg_dump/restore.

This is followup to the original issue on time datatype reported by Andrew
McNamara a while ago. Like that one, none of these seem worth
back-patching.
This commit is contained in:
Heikki Linnakangas
2009-09-04 11:20:23 +00:00
parent 237859e4fb
commit 7be39bb0be
7 changed files with 63 additions and 17 deletions
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14
src/backend/utils/adt/int.c
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@ -8,7 +8,7 @@
*
*
* IDENTIFICATION
* $PostgreSQL: pgsql/src/backend/utils/adt/int.c,v 1.85 2009/09/03 18:48:14 tgl Exp $
* $PostgreSQL: pgsql/src/backend/utils/adt/int.c,v 1.86 2009/09/04 11:20:22 heikki Exp $
*
*-------------------------------------------------------------------------
*/
@ -225,13 +225,21 @@ int2vectorrecv(PG_FUNCTION_ARGS)
Assert(!locfcinfo.isnull);
/* sanity checks: int2vector must be 1-D, no nulls */
/* sanity checks: int2vector must be 1-D, 0-based, no nulls */
if (ARR_NDIM(result) != 1 ||
ARR_HASNULL(result) ||
ARR_ELEMTYPE(result) != INT2OID)
ARR_ELEMTYPE(result) != INT2OID ||
ARR_LBOUND(result)[0] != 0)
ereport(ERROR,
(errcode(ERRCODE_INVALID_BINARY_REPRESENTATION),
errmsg("invalid int2vector data")));
/* check length for consistency with int2vectorin() */
if (ARR_DIMS(result)[0] > FUNC_MAX_ARGS)
ereport(ERROR,
(errcode(ERRCODE_INVALID_PARAMETER_VALUE),
errmsg("oidvector has too many elements")));
PG_RETURN_POINTER(result);
}