pg_hint_plan

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Prepare for 1.1.3.

Fixed a bug related to SQL statements in PL/pgSQL functions.

At least since 9.1, true query strings of SQL statements executed in
PL/pgSQL functions were found that were not obtained correctly by the
previous implement, it is because that PLpgSQL_stmt variable did not
have proper query string to be read for hints. Instead, it is changed
to read them from the top of error_context_stack in
pg_hint_plan_planner(). This change made a slight difference in
behavior which doesn't affect its work so a part of the regtest was
also changed. And added some regression tests for it.

Prepare for release 1.1.2.

Remove unnecessary tracker code from documentations.

Added English documentation.

Some fix and addition to the japaneses document.

It lacked the description about joni direction enforcement so added
it. Addition to it, added html language specification and updated
target PostgreSQL versions and OS version.

Remove the third part in the version number in the document.

The third part in the version number represents revisions which is
incremented by maintenance fix, not adding new feature. So removed it
in the document.

Specify the document language for pg_hint_plan-ja.html.

Add document description about controlling joining directions.

This feature was introduced far ago at
eb3c095a7247df5cacc28687900aa30e7969aeda, but document does not
mention about it so far. So added the description about the feature.

Fix to remove plpgsql query string on non-local exit.

Pl/pgsql query string stored internally squatted after an execution
error then pg_hint_plan afterward read it for hints and ignores really
given ones. This commit makes it erased at the end of transaction.

Fix about unexpectedly living plpgsql query string.

pg_hint_plan forgot to erase plpgsql query strings when it is NOT a
static statement, so it continued to read hints from the remenbered
wrong query string after using dynamic execution of a statement. This
commit makes it to be erased for any types of pl/pgsql statement.

Enhance debug output.

Added new debug output levels detailed and verbose. These let you see
more verbose information about what pg_hint_plan does internally.

Revert "Add new join method hint "NestLoop_NM" which means force nested loop"

This reverts commit fd8affb6b71d00243c126e566d4ac7e34b13e8f3.

Add new join method hint "NestLoop_NM" which means force nested loop
but inhibit materialize of the inner relation.

Fix a bug that index restriction by name doesn't work for UPDATEs on
inheritance parent.

Inheritance planner doesn't claim for the inheritance parent relation,
so pg_hint_plan_get_relation_info cannot have the chance to prepare
the index spec information for chlid relations. This change make the
function to try to find parent relation even if it is called for the
children with inhparent == false from the first.

Stabilize regtest

Remove unused struct member

RPM build automation

Change version to 1.1.1.

Fixed a bug that rows hint can be omitted on some condition.

A hint for higer level may be canceled by unnecessary reestimation
caused by a rows hint for lower level.

During making a joinrel, if there's a rows hint just matches the
joinrelids, and has already been applied on an earlier try for the same
joinrelids, and if there's another rows hint which is applicable on
either component of the join, the change of rownums made earlier is
canceled by the 'another' hint causing reestimation of the joinrel.
Finally the effect of the former hint disappears.

リグレッションテストを出力メッセージの変更に対応させた。

hint_reportの出力メッセージを大文字始まりで統一した。

コメントやメッセージを修正した。

コピーライトを更新した

Rowsで外部ファイルを扱う試験を環境に依存しないようにした。

外部ファイルのアドレスを特定の文字列に置き換えることで、環境に依存
しないようにした。

Rows関連試験の予測結果を、全試験を流した場合のものに変更した。

Rowsヒント句のメッセージ出力(R-3-6-*)の試験を追加した。

Rowsヒント句の同じテーブル組合せ(R-3-5-*)の試験を追加した。

Rowsヒント句の継承テーブル関連(R-3-4-*)の試験を追加した。

Rowsヒント句の比率指定(R-3-3-*)の試験を追加した。