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- src/backend/access
- no changes
- src/backend/utils
- mostly cosmetic changes
- ESCAPE_PATCH Added
- src/Makefile.global changes merged
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Submitted by: Randy Kunkee <kunkee@Starbase.NeoSoft.COM>
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The updating of array fields is broken in Postgres95-1.01, An array can
be only replaced with a new array but not have some elements modified.
This is caused by two bugs in the parser and in the array utilities.
Furthermore it is not possible to update array with a base type of
variable length.
- submitted by: Massimo Dal Zotto <dz@cs.unitn.it>
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- submitted by: Massimo Dal Zotto <dz@cs.unitn.it>
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Select queries with an isnull or notnull clause, like "select * where
somefield isnull", crash the backend if the table has at least one index.
If the indices are deleted the queries work again. Also the explain
command fail in the same way.
The is caused by a bug in subroutine of the optimizer which doesn't check
null values in the clauses.
Submitted by: Massimo Dal Zotto <dz@cs.unitn.it>
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This is a patch to prevent an endless loop occuring in the Postgres backend
when a 'warning' error condition generates another warning error contition
in the handler code.
Submitted by: Chris Dunlop, <chris@onthe.net.au>
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submitted by: Bruce Momjian (root@candle.pha.pa.us)
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varchar.diff
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This patch was necessary for the OpenLink Postgres Database Agent.
I think this fixes a bug anyway.
The following query demonstrates this bug:
create table foo (bar varchar);
insert into foo values (''); -- no problem
select * from foo where bar = ''; -- fails
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causes segmentation fault.
Thanks to: Salvador Ortiz Garcia, Robert Patrick, Paul 'Shag' Walmsley,
and James Cooper for finding and fixing the problem.
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