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Update pg_stat_statements extension for parallel query.

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All functions provided by this extension are PARALLEL SAFE.  Given the
general prohibition against write operations in parallel queries, it is
perhaps a bit surprising that pg_stat_statements_reset() is parallel safe.
But since it only modifies shared memory, not the database, it's OK.

Andreas Karlsson
This commit is contained in:
Robert Haas 2016-06-10 10:42:01 -04:00
parent 3d8fc8c68c
commit 496899ccc2
4 changed files with 14 additions and 7 deletions
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6
contrib/pg_stat_statements/Makefile
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@ -4,9 +4,9 @@ MODULE_big = pg_stat_statements
OBJS = pg_stat_statements.o $(WIN32RES)
EXTENSION = pg_stat_statements
DATA = pg_stat_statements--1.3.sql pg_stat_statements--1.2--1.3.sql \
pg_stat_statements--1.1--1.2.sql pg_stat_statements--1.0--1.1.sql \
pg_stat_statements--unpackaged--1.0.sql
DATA = pg_stat_statements--1.4.sql pg_stat_statements--1.3--1.4.sql \
pg_stat_statements--1.2--1.3.sql pg_stat_statements--1.1--1.2.sql \
pg_stat_statements--1.0--1.1.sql pg_stat_statements--unpackaged--1.0.sql
PGFILEDESC = "pg_stat_statements - execution statistics of SQL statements"
LDFLAGS_SL += $(filter -lm, $(LIBS))

7
contrib/pg_stat_statements/pg_stat_statements--1.3--1.4.sql Normal file
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@ -0,0 +1,7 @@
/* contrib/pg_stat_statements/pg_stat_statements--1.3--1.4.sql */
-- complain if script is sourced in psql, rather than via ALTER EXTENSION
\echo Use "ALTER EXTENSION pg_stat_statements UPDATE TO '1.4'" to load this file. \quit
ALTER FUNCTION pg_stat_statements_reset() PARALLEL SAFE;
ALTER FUNCTION pg_stat_statements(boolean) PARALLEL SAFE;

6
contrib/pg_stat_statements/pg_stat_statements--1.3.sql → contrib/pg_stat_statements/pg_stat_statements--1.4.sql
View File

@ -1,4 +1,4 @@
/* contrib/pg_stat_statements/pg_stat_statements--1.3.sql */
/* contrib/pg_stat_statements/pg_stat_statements--1.4.sql */
-- complain if script is sourced in psql, rather than via CREATE EXTENSION
\echo Use "CREATE EXTENSION pg_stat_statements" to load this file. \quit
@ -7,7 +7,7 @@
CREATE FUNCTION pg_stat_statements_reset()
RETURNS void
AS 'MODULE_PATHNAME'
LANGUAGE C;
LANGUAGE C PARALLEL SAFE;
CREATE FUNCTION pg_stat_statements(IN showtext boolean,
OUT userid oid,
@ -36,7 +36,7 @@ CREATE FUNCTION pg_stat_statements(IN showtext boolean,
)
RETURNS SETOF record
AS 'MODULE_PATHNAME', 'pg_stat_statements_1_3'
LANGUAGE C STRICT VOLATILE;
LANGUAGE C STRICT VOLATILE PARALLEL SAFE;
-- Register a view on the function for ease of use.
CREATE VIEW pg_stat_statements AS

2
contrib/pg_stat_statements/pg_stat_statements.control
View File

@ -1,5 +1,5 @@
# pg_stat_statements extension
comment = 'track execution statistics of all SQL statements executed'
default_version = '1.3'
default_version = '1.4'
module_pathname = '$libdir/pg_stat_statements'
relocatable = true