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Allow event trigger table_rewrite for ALTER MATERIALIZED VIEW 

This event can happen when using SET ACCESS METHOD, as the data files of
the materialized need a full refresh but this command tag was not
updated to reflect that.  The documentation is updated to track this
behavior.

Author: Onder Kalaci
Discussion: https://postgr.es/m/CACawEhXwHN3X34FiwoYG8vXR-oyUdrp7qcfRWSzS+NPahS5gSw@mail.gmail.com
Backpatch-through: 15
This commit is contained in:
Michael Paquier 2022-08-17 14:55:20 +09:00
parent c52ad9c4ef
commit 93f2349c36
4 changed files with 12 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
doc/src/sgml/event-trigger.sgml
View File

@ -242,7 +242,7 @@
<entry align="center"><literal>X</literal></entry>
<entry align="center"><literal>X</literal></entry>
<entry align="center"><literal>-</literal></entry>
<entry align="center"><literal>-</literal></entry>
<entry align="center"><literal>X</literal></entry>
<entry align="left"></entry>
</row>
<row>

2
src/include/tcop/cmdtaglist.h
View File

@ -42,7 +42,7 @@ PG_CMDTAG(CMDTAG_ALTER_FUNCTION, "ALTER FUNCTION", true, false, false)
PG_CMDTAG(CMDTAG_ALTER_INDEX, "ALTER INDEX", true, false, false)
PG_CMDTAG(CMDTAG_ALTER_LANGUAGE, "ALTER LANGUAGE", true, false, false)
PG_CMDTAG(CMDTAG_ALTER_LARGE_OBJECT, "ALTER LARGE OBJECT", true, false, false)
PG_CMDTAG(CMDTAG_ALTER_MATERIALIZED_VIEW, "ALTER MATERIALIZED VIEW", true, false, false)
PG_CMDTAG(CMDTAG_ALTER_MATERIALIZED_VIEW, "ALTER MATERIALIZED VIEW", true, true, false)
PG_CMDTAG(CMDTAG_ALTER_OPERATOR, "ALTER OPERATOR", true, false, false)
PG_CMDTAG(CMDTAG_ALTER_OPERATOR_CLASS, "ALTER OPERATOR CLASS", true, false, false)
PG_CMDTAG(CMDTAG_ALTER_OPERATOR_FAMILY, "ALTER OPERATOR FAMILY", true, false, false)

5
src/test/regress/expected/event_trigger.out
View File

@ -516,6 +516,11 @@ alter table rewriteme
add column another int default -1,
alter column foo type numeric(10,4);
NOTICE: Table 'rewriteme' is being rewritten (reason = 4)
-- matview rewrite when changing access method
CREATE MATERIALIZED VIEW heapmv USING heap AS SELECT 1 AS a;
ALTER MATERIALIZED VIEW heapmv SET ACCESS METHOD heap2;
NOTICE: Table 'heapmv' is being rewritten (reason = 8)
DROP MATERIALIZED VIEW heapmv;
-- shouldn't trigger a table_rewrite event
alter table rewriteme alter column foo type numeric(12,4);
begin;

5
src/test/regress/sql/event_trigger.sql
View File

@ -379,6 +379,11 @@ alter table rewriteme
add column another int default -1,
alter column foo type numeric(10,4);
-- matview rewrite when changing access method
CREATE MATERIALIZED VIEW heapmv USING heap AS SELECT 1 AS a;
ALTER MATERIALIZED VIEW heapmv SET ACCESS METHOD heap2;
DROP MATERIALIZED VIEW heapmv;
-- shouldn't trigger a table_rewrite event
alter table rewriteme alter column foo type numeric(12,4);
begin;