diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/backend/commands/analyze.c | 12 | ||||
| -rw-r--r-- | src/test/regress/expected/stats_ext.out | 8 | ||||
| -rw-r--r-- | src/test/regress/sql/stats_ext.sql | 8 |
3 files changed, 25 insertions, 3 deletions
diff --git a/src/backend/commands/analyze.c b/src/backend/commands/analyze.c index 8d633f25851..92285e848f5 100644 --- a/src/backend/commands/analyze.c +++ b/src/backend/commands/analyze.c @@ -574,9 +574,15 @@ do_analyze_rel(Relation onerel, VacuumParams *params, thisdata->attr_cnt, thisdata->vacattrstats); } - /* Build extended statistics (if there are any). */ - BuildRelationExtStatistics(onerel, totalrows, numrows, rows, attr_cnt, - vacattrstats); + /* + * Build extended statistics (if there are any). + * + * For now we only build extended statistics on individual relations, + * not for relations representing inheritance trees. + */ + if (!inh) + BuildRelationExtStatistics(onerel, totalrows, numrows, rows, + attr_cnt, vacattrstats); } /* diff --git a/src/test/regress/expected/stats_ext.out b/src/test/regress/expected/stats_ext.out index 94b8a8f8b85..d782ebcfeaa 100644 --- a/src/test/regress/expected/stats_ext.out +++ b/src/test/regress/expected/stats_ext.out @@ -103,6 +103,14 @@ ANALYZE ab1 (a); WARNING: statistics object "public.ab1_a_b_stats" could not be computed for relation "public.ab1" ANALYZE ab1; DROP TABLE ab1; +-- Ensure we can build statistics for tables with inheritance. +CREATE TABLE ab1 (a INTEGER, b INTEGER); +CREATE TABLE ab1c () INHERITS (ab1); +INSERT INTO ab1 VALUES (1,1); +CREATE STATISTICS ab1_a_b_stats ON a, b FROM ab1; +ANALYZE ab1; +DROP TABLE ab1 CASCADE; +NOTICE: drop cascades to table ab1c -- Verify supported object types for extended statistics CREATE schema tststats; CREATE TABLE tststats.t (a int, b int, c text); diff --git a/src/test/regress/sql/stats_ext.sql b/src/test/regress/sql/stats_ext.sql index 4bc1536727b..d506e8238c3 100644 --- a/src/test/regress/sql/stats_ext.sql +++ b/src/test/regress/sql/stats_ext.sql @@ -73,6 +73,14 @@ ANALYZE ab1 (a); ANALYZE ab1; DROP TABLE ab1; +-- Ensure we can build statistics for tables with inheritance. +CREATE TABLE ab1 (a INTEGER, b INTEGER); +CREATE TABLE ab1c () INHERITS (ab1); +INSERT INTO ab1 VALUES (1,1); +CREATE STATISTICS ab1_a_b_stats ON a, b FROM ab1; +ANALYZE ab1; +DROP TABLE ab1 CASCADE; + -- Verify supported object types for extended statistics CREATE schema tststats; |