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pg_hint_plan: List of commits

firtst release

Rev. Time Author
7ed93ce master 2020-08-06 20:18:05 Kyotaro Horiguchi

Support PostgreSQL 13.

- Follow change of some planner functions.

- Follow a change of the semantics of List.

- Take in changes in copied core code.

- Adjust regression tests.
Amost all of the differences are come from aliasing policy, and some
come from a new GUC parameter.

a9abbbd 2020-08-05 16:30:25 Kyotaro Horiguchi

Version 1.3.6.

Fixed some bugs.

520fcbf 2020-07-14 18:06:26 sherlockcpp

Add description of *ScanRegExp hints in the document.

English version of hint list is missing regexp versions of scan
hints. Add them.

da398b8 2020-07-14 17:36:22 Kyotaro Horiguchi

Mask non-significant parts of regression output

To stabilize test, mask more of non-significant parts of EXPLAIN output.

05d5910 2020-07-14 17:35:23 Daniil Anisimov

Fix segfault when use Set, Rows and Parallel hints together

2cf367b 2020-07-14 16:31:51 Yang Rong

Fix some spelling errors in comments

a9936cd 2020-07-14 15:27:15 egashira.yusuke

Mark hint table as a configuration table.

The table hint_plan.hints is a configuration table of
pg_hint_plan. Mark it as such, as well as its sequence table.

Back patch to pg_hint_plan96.

d518f03 REL12_1_3_5 2020-02-20 23:24:34 Kyotaro Horiguchi

Preparation for branch PG12

Change version to 12-1.3.5. Adjust SPEC file.

cbe257d 2020-02-20 20:53:24 Kyotaro Horiguchi

Support PG12.

As the prepparation for making PG12 branch, change PG version to 12
and adjust for the latest PG12.

231a444 2020-02-20 20:19:44 Kyotaro Horiguchi

Change copyright year to 2020.

9d0d4e2 2020-02-17 21:07:20 Kyotaro Horiguchi

Restore current hint state when returned from non-hinted query planning.

If no hint is given for the current level query, pg_hint_plan_planner
calls the next level of planner after erasing the
current_hint_state. But it forgot to restore the state before the
planning of the rest part of the current-level query. It is
(a-kind-of) broken by the commit d422966 but overlooked as an
inevitable side-effect of the fix. Get back the behavior by restoring
current_hint_state after returned from the lower level planner with
unhinted query.

Issue: https://github.com/ossc-db/pg_hint_plan/issues/30
Reported-by: higuchi-daisuke

7dcc96f 2020-02-17 16:55:02 Kyotaro Horiguchi

Use proper type for non-integer GUC options.

pg_hint_plan internally preserved numeric options into integer
variable regardless of their types, which leads to unintentional
change of the values. Handle double values in the proper way.

dd5ea96 2020-02-17 15:05:09 Kyotaro Horiguchi

Fix Rows hint parsing

This is a long standing bug that Rows hint with no parameter causees a
crash. Fixed the Rows hint parser.

de7600e 2020-02-17 13:43:13 Kyotaro Horiguchi

Give correct query location to generate_normalized_query.

There was a thinko about query_loc of generate_normalized_query which
causes a crash. For example a query is following a sequence of
semicolons (by \; in psql input) longer than the length after the last
placeholder to the end of the query, the function causes assertion
failure. Anyway prepared statements lose that value so we just pass 0
as the query_loc for consistent behavior.

ecf1a03 2020-02-14 16:44:28 Kyotaro Horiguchi

Fix behavior of nested planning

Issue: https://github.com/ossc-db/pg_hint_plan/issues/39

When planning is nested by function call, the hints in the function
should affect the corresponding query. Maybe 9599067 introduced
that. Fix the nested planning behavior.

0576a94 2020-02-14 13:00:01 Kyotaro Horiguchi

Fix crash bug caused by plancache invalidation


After plancache is invalidated then revaliated, get_query_string
accesses query_list of invalid plansource then crash. Ignore invalid
plancache and get the correct hint string and Query node at the next
planning time during revalidation.

On the way fixing this, a bug related to planner reentrance is
fixed. That fix causes behavioral change for nested
planning. Previously outer-level hint (wrongly) overrides inner-level
query but currenlty outer-level hint no longer affects inner-level

85e9782 2020-02-13 20:00:54 LittleWuCoding

Fix compiling error on Solaris

The 'LDFLAGS+=-Wl,--build-id' option is for rpm building in Linux like
OS. The SunOS is not native support the option
'LDFLAGS+=-Wl,--build-id' . So, we disable this option in SunOS while

Committed a bit tweaked version from the orignal.

bd5dcc3 2020-02-13 14:57:07 Kyotaro Horiguchi

Fix the previous commit.

The previous commit left a line to be removed. Remove it.

b920371 2020-02-13 14:53:38 Kyotaro Horiguchi

Do null-check of error_context_stack before use

The variable is accessed without null checking when planner is called
in the context of pl/pgsql. Fix it. Back-patched up to pg_hint_plan94.

Reporter: egashira-yusuke
Issue: https://github.com/ossc-db/pg_hint_plan/issues/42
Original-Author: sun-wei <30999182+Dagouhan@users.noreply.github.com>
Original-patch: https://github.com/ossc-db/pg_hint_plan/pull/45/commits/8fe092ef73a9af6cfb41e20717d7cb35aa74fce2

22a770c 2019-10-29 18:49:22 Kyotaro Horiguchi

Fix regression tests.

Fix regression tests to work for PG12.

96588f8 2019-10-29 18:47:17 Kyotaro Horiguchi

Follow the change in PG12.

Commit 428b260f87 breaks the prior assumptions by adding one more
planning cycle for updates on partitioned tables. Follow the change.

08e5c94 2019-10-29 18:24:38 Kyotaro Horiguchi

Update core.c based on PG12.0

The following commits changes the original functions in core.c as of
REL_12_0. Took in the changes.


c945c7b 2019-08-29 17:27:30 Jignesh Shah

Fix definition of is_dummy_rel based on changes in community

cf22a23 2019-08-29 16:57:23 LittleWuCoding

fix spelling mistakes in file pg_hint_plan.html

f1837d3 2019-08-29 16:12:58 Arthur Zakirov

Use ParallelHint in ParallelHintCreate()

6a58835 2019-03-08 13:58:52 Kyotaro Horiguchi

Silence some compilers

Some compilers seem to complain about the previous patch, that
prev_hint_str is used uninitialized. Actually it is not but move the
initialization code out of the PG_TRY() section so that such compilers
would be quiet.

000c325 2019-02-26 20:09:40 Kyotaro Horiguchi

Correctly handle planner nesting

pg_hint_plan assumed that plpgsql is the only source of nested planner
calls. Actually nested call can be made in any shapes. Most of the
cases doesn't harm but in a special case where pg_dbms_stats makes a
SPI call during query planning, that affects subsequent planner
work. Hints lose effect when pg_dbms_stats searches "locked
statistics" tables while planning the target query.

9.5 is not affected. Back patched back to 9.6.

8241ef0 2019-02-26 19:25:08 Kyotaro Horiguchi

Follow core's cobe/havor chages

Take in some changes took place in core code.

Commit 608b167f9f has largely changed the behavior around
CTE. Although I didn't confirmed that the all changes are valid as the
test for pg_hint_plan, just took in all plan differences.

2b86c66 2019-01-17 18:59:20 Kyotaro Horiguchi

Change version to 1.3.4.

Fixed a minor bug of 1.3.3.

63570f9 2019-01-17 18:32:57 Kyotaro Horiguchi

Fix condition to regenerate gather paths

Core has additional condition to determine whether to generate gather
paths and pg_hint_plan forgot it. Fix it.

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