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discussion on hackers.
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(they are not part of a chain). When failing to find a parent tuple in
an update chain, emit a warning and abandon repair_frag, but do not give
an error as before. This should eliminate the infamous 'No one parent tuple
was found' failure, which we now realize is not a can't-happen condition
but a perfectly valid database state. Per recent pghackers discussion.
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heap_mark4update; this avoids situations where a deleted tuple might
look like it is chained to something else. Also, cause all the WAL
redo routines to set t_ctid to equal t_self, rather than leaving it
undefined as before. Make heap_xlog_clean set the page's LSN and SUI
correctly. All per past discussions in pghackers, ranging back to
last December.
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removed altogether if pg_dump doesn't need it anymore.
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from Martin Renters.
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overflowable buffer for 'name%rowtype'; not to mention avoid problems
with mixed-case type names and other special cases.
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to make a reasonable attempt at accounting for palloc overhead, not just
the requested size of each memory chunk. Since in many scenarios this
will make for a significant reduction in the amount of space acquired,
partially compensate by doubling the default value of SORT_MEM to 1Mb.
Per discussion in pgsql-general around 9-Jun-2002..
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confused, toasted data getting lost, etc.
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it takes could be held for quite awhile after the analyze step completes.
Rethink locking of pg_statistic in light of this fact. The original
scheme took an exclusive lock on pg_statistic, which was okay when the
lock could be expected to be released shortly, but that doesn't hold
anymore. Back off to a normal writer's lock (RowExclusiveLock). This
allows concurrent ANALYZE of nonoverlapping sets of tables, at the price
that concurrent ANALYZEs of the same table may fail with 'tuple
concurrently updated'.
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> Looks like Alvaro got sideswiped by the system catalog indexing changes
> I made over the weekend. It's a simple change, just reduce the whole
> mess to a "CatalogUpdateIndexes()" call.
I update two tuples, so I manually CatalogOpenIndexes() and
CatalogIndexInsert() two times, as per comments in
CatalogUpdateIndexes().
I also removed a couple of useless CommandCounterIncrement(), some
useless definitions in src/include/commands/cluster.h and useless
includes in src/backend/commands/cluster.c. This version passes the
regression test I had made for previous versions.
Alvaro Herrera
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> l.mode, l.isgranted from pg_lock_info() as l(relation oid, database oid,
> backendpid int4, mode text, isgranted bool);
> ERROR: badly formatted planstring "COLUMNDEF "...
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Reported by Neil Conway -- I never implemented readfuncs.c support for
ColumnDef or TypeName, which is needed so that views can be created on
functions returning type RECORD. Here's a patch.
Joe Conway
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relfilenode.
I sent the CLUSTER patch a few days ago and I think it was missed. I
append it again, this time including the regression test files. For the
committer, please note that you have to cvs add the files as they don't
exist. Maybe add to the parallel and serial schedules also, but I don't
know such stuff.
Alvaro Herrera (<alvherre[a]atentus.com>)
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error handling, and simplifies the code that remains. Apparently,
the code that left Berkeley had a whole "error handling subsystem",
which exceptions and whatnot. Since we don't use that anymore,
there's no reason to keep it around.
The regression tests pass with the patch applied. Unless anyone
sees a problem, please apply.
Neil Conway
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discussion. Also, cause the \timing command to display time in a
format consistent with the backend's EXPLAIN ANALYZE output.
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arguments of CREATE OPERATOR.
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single source file a few directories deep in the backend tree has changed.
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and database. In particular, make script wrappers understand the
PGDATABASE environment variable.
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also have a unique index on OID.
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follows recent pghackers discussion. This commit includes all the
relevant fixes from Greg Mullane's patch of 24-June.
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are only activated temporarily to read out formatting information.
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per Joe Conway's patch of 20-July.
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has_function_privilege,
has_language_privilege, has_schema_privilege to let SQL queries test
all the new privilege types in 7.3. Also, add functions pg_table_is_visible,
pg_type_is_visible, pg_function_is_visible, pg_operator_is_visible,
pg_opclass_is_visible to test whether objects contained in schemas are
visible in the current search path. Do some minor cleanup to centralize
accesses to pg_database, as well.
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in auto-commit off mode.
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I did not force an initdb via catversion ... but the rules
regression test will fail until you do an initdb.
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table or column, or of an output column of the view itself.
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executed to prevent database access while performing encoding
conversion.
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to behave according to SQL92 (or according to my current understanding
of same, anyway). Per pghackers discussion way back in March 2002:
thread 'Do FROM items of different schemas conflict?'
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correctly, truncate to NAMEDATALEN where needed, allow whitespace
around dots in qualified identifiers. Get rid of T_RECFIELD and
T_TGARGV token categories, which weren't accomplishing anything
except to create room for sins of omission in the grammar, ie,
places that should have allowed them and didn't. Fix a few other
bugs en passant.
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offset past the last-used-item-plus-one, since that would result in
leaving uninitialized holes in the item pointer array. AFAICT the only
place that was depending on this was btree index build, which was being
cavalier about when to fill in the P_HIKEY pointer; easily fixed.
Also a small performance improvement: shuffle itemid's by means of
memmove, not a one-at-a-time loop.
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pg_convert3 does not belong in a backend/catalog file at all, IMHO;
it should be in utils/adt.
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rangefunc regression test for the new behavior.
Joe Conway
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>> alias in this case. What do you think?
>
> I guess that would make sense. I'll make a separate patch just for
that
> change if that's OK.
>
Simple change -- patch attached.
test=# select * from myfoo1() as z;
z
----
1
2
3
(3 rows)
Joe Conway
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don't return type RECORD. It also catches a core dump condition when a
function returning RECORD had an alias list instead of a coldeflist.
Now both conditions throw an ERROR.
Joe Conway
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executed in an implicitely aborted transaction (e.g. after an occur
occurs), we return an error (and not just a warning). For example:
nconway=# begin;
BEGIN
nconway=# insert; -- syntax error
ERROR: parser: parse error at or near ";"
nconway=# select * from a;
ERROR: current transaction is aborted, queries ignored until end of
transaction block
The old behavior was:
nconway=# begin;
BEGIN
nconway=# insert;
ERROR: parser: parse error at or near ";"
nconway=# select * from a;
WARNING: current transaction is aborted, queries ignored until end
of transaction block
*ABORT STATE*
Which can be confusing: if the client isn't paying careful attention,
they will conclude that the query has executed (because no error is
returned).
Neil Conway
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