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Merge 10.4 into 10.5

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This commit is contained in:
Marko Mäkelä
2020-07-02 09:41:44 +03:00
parent 0fe97c20b3 f347b3e0e6
commit 1813d92d0c
234 changed files with 3048 additions and 789 deletions
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29
mysql-test/main/opt_trace.test
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@@ -594,8 +594,35 @@ EXPLAIN SELECT * FROM t1, t2 WHERE t1.a=t2.a ORDER BY t2.b;
select JSON_DETAILED(JSON_EXTRACT(trace, '$**.considered_execution_plans')) from INFORMATION_SCHEMA.OPTIMIZER_TRACE;
DROP TABLE t1,t2;
--echo # End of 10.4 tests
--echo #
--echo # MDEV-22665: Print ranges in the optimizer trace created for non-indexed columns when
--echo # optimizer_use_condition_selectivity >2
--echo #
CREATE TABLE t1(a INT, b INT);
INSERT INTO t1 SELECT seq, seq from seq_1_to_100;
SET optimizer_trace=1;
ANALYZE TABLE t1 PERSISTENT FOR ALL;
EXPLAIN EXTENDED SELECT * from t1 WHERE a between 1 and 5 and b <= 5;
select JSON_DETAILED(JSON_EXTRACT(trace, '$**.selectivity_for_columns')) from INFORMATION_SCHEMA.OPTIMIZER_TRACE;
EXPLAIN EXTENDED SELECT * from t1 WHERE a != 5;
select JSON_DETAILED(JSON_EXTRACT(trace, '$**.selectivity_for_columns')) from INFORMATION_SCHEMA.OPTIMIZER_TRACE;
EXPLAIN EXTENDED SELECT * from t1 WHERE b >= 10 and b < 25;
select JSON_DETAILED(JSON_EXTRACT(trace, '$**.selectivity_for_columns')) from INFORMATION_SCHEMA.OPTIMIZER_TRACE;
drop table t1;
--echo #
--echo # MDEV-22910:SIGSEGV in Opt_trace_context::is_started & SIGSEGV in Json_writer::add_table_name
--echo # (on optimized builds)
--echo #
CREATE TABLE t1( a INT, b INT, PRIMARY KEY( a ) );
SELECT sum(b), row_number() OVER (order by b) FROM t1 WHERE a = 101;
UPDATE t1 SET b=10 WHERE a=1;
SELECT JSON_DETAILED(JSON_EXTRACT(trace, '$**.range_scan_alternatives')) from INFORMATION_SCHEMA.OPTIMIZER_TRACE;
DROP TABLE t1;
--echo # End of 10.4 tests
--echo #
--echo # Test many rows to see output of big cost numbers