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mirror of https://github.com/MariaDB/server.git synced 2025-07-29 05:21:33 +03:00

Merge 10.3 into 10.4

This commit is contained in:
Marko Mäkelä
2019-08-31 06:53:45 +03:00
103 changed files with 2674 additions and 632 deletions

View File

@ -732,8 +732,8 @@ SELECT a FROM t1 AS t, t2
WHERE c = a AND b IN (SELECT b FROM t1, t2 WHERE b = t.b);
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t index a,b b 7 NULL 10 Using index
1 PRIMARY t1 ref b b 3 test.t.b 2 Using index
1 PRIMARY t2 index NULL PRIMARY 4 NULL 11 Using index; FirstMatch(t)
1 PRIMARY t1 ref b b 3 test.t.b 2 Using index; Start temporary
1 PRIMARY t2 index NULL PRIMARY 4 NULL 11 Using index; End temporary; Using join buffer (flat, BNL join)
1 PRIMARY t2 eq_ref PRIMARY PRIMARY 4 test.t.a 1 Using index
SELECT a FROM t1 AS t, t2
WHERE c = a AND b IN (SELECT b FROM t1, t2 WHERE b = t.b);
@ -745,8 +745,8 @@ SELECT a FROM t1 AS t, t2
WHERE c = a AND b IN (SELECT b FROM t1, t2 WHERE b = t.b);
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t index a,b b 7 NULL 10 Using index
1 PRIMARY t1 ref b b 3 test.t.b 2 Using index
1 PRIMARY t2 index NULL PRIMARY 4 NULL 11 Using index; FirstMatch(t)
1 PRIMARY t1 ref b b 3 test.t.b 2 Using index; Start temporary
1 PRIMARY t2 index NULL PRIMARY 4 NULL 11 Using index; End temporary; Using join buffer (flat, BNL join)
1 PRIMARY t2 eq_ref PRIMARY PRIMARY 4 test.t.a 1 Using index
SELECT a FROM t1 AS t, t2
WHERE c = a AND b IN (SELECT b FROM t1, t2 WHERE b = t.b);