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Remove doc and code comments about ON CONFLICT deficiencies

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They have been fixed, so we don't need this text anymore.  This reverts
commit 8b18ed6dfb.

Author: Mihail Nikalayeu <mihailnikalayeu@gmail.com>
Discussion: https://postgr.es/m/CADzfLwWo+FV9WSeOah9F1r=4haa6eay1hNvYYy_WfziJeK+aLQ@mail.gmail.com
This commit is contained in:
Álvaro Herrera
2025-12-02 16:47:18 +01:00
parent 5dee7a603f
commit 758479213d
2 changed files with 0 additions and 14 deletions
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9
doc/src/sgml/ref/insert.sgml
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@@ -594,15 +594,6 @@ INSERT INTO <replaceable class="parameter">table_name</replaceable> [ AS <replac
</para> </para>
</tip> </tip>
<warning>
<para>
While <command>CREATE INDEX CONCURRENTLY</command> or <command>REINDEX
CONCURRENTLY</command> is running on a unique index, <command>INSERT
... ON CONFLICT</command> statements on the same table may unexpectedly
fail with a unique violation.
</para>
</warning>
</refsect2> </refsect2>
</refsect1> </refsect1>

5
src/backend/optimizer/util/plancat.c
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@@ -789,11 +789,6 @@ find_relation_notnullatts(PlannerInfo *root, Oid relid)
* the purposes of inference. If no opclass (or collation) is specified, then * the purposes of inference. If no opclass (or collation) is specified, then
* all matching indexes (that may or may not match the default in terms of * all matching indexes (that may or may not match the default in terms of
* each attribute opclass/collation) are used for inference. * each attribute opclass/collation) are used for inference.
*
* Note: during index CONCURRENTLY operations, different transactions may
* reference different sets of arbiter indexes. This can lead to false unique
* constraint violations that wouldn't occur during normal operations. For
* more information, see insert.sgml.
*/ */
List * List *
infer_arbiter_indexes(PlannerInfo *root) infer_arbiter_indexes(PlannerInfo *root)