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Merge 10.1 into 10.2

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Marko Mäkelä
2020-07-20 14:53:24 +03:00
parent a1e52e7f32 57ec42bc32
commit ca9276e37e
36 changed files with 358 additions and 283 deletions
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24
mysql-test/r/stat_tables_innodb.result
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@ -855,4 +855,28 @@ drop table t1;
# please keep this at the last
set @@global.histogram_size=@save_histogram_size;
set optimizer_switch=@save_optimizer_switch_for_stat_tables_test;
#
# MDEV-22851: Engine independent index statistics are incorrect for large tables on Windows.
#
CREATE TABLE t1(a INT) ENGINE=INNODB;
INSERT INTO t1 SELECT 1 FROM seq_1_to_60000;
SET @save_use_stat_tables= @@use_stat_tables;
SET use_stat_tables= preferably;
SELECT count(*) FROM t1;
count(*)
60000
CREATE INDEX idx ON t1(a);
ANALYZE TABLE t1 PERSISTENT FOR COLUMNS (a) INDEXES (idx);
Table Op Msg_type Msg_text
test.t1 analyze status Engine-independent statistics collected
test.t1 analyze status OK
SELECT * FROM mysql.index_stats where table_name='t1';
db_name table_name index_name prefix_arity avg_frequency
test t1 idx 1 60000.0000
SELECT * FROM mysql.column_stats where table_name='t1';
db_name table_name column_name min_value max_value nulls_ratio avg_length avg_frequency hist_size hist_type histogram
test t1 a 1 1 0.0000 4.0000 60000.0000 0 NULL NULL
SET use_stat_tables= @save_use_stat_tables;
DROP TABLE t1;
# end of 10.1 tests
SET SESSION STORAGE_ENGINE=DEFAULT;