Commit d6db6df9 authored by Varun Gupta's avatar Varun Gupta

MDEV-17903: New optimizer defaults: change optimize_join_buffer_size to be ON

optimize_join_buffer_size is switched ON.
parent f2f0c200
......@@ -143,7 +143,7 @@ ANALYZE
"attached_condition": "tbl2.b < 60"
},
"buffer_type": "flat",
"buffer_size": "256Kb",
"buffer_size": "1Kb",
"join_type": "BNL",
"r_filtered": 100
}
......@@ -181,7 +181,7 @@ ANALYZE
"attached_condition": "tbl2.b < 60"
},
"buffer_type": "flat",
"buffer_size": "256Kb",
"buffer_size": "1Kb",
"join_type": "BNL",
"attached_condition": "tbl1.c > tbl2.c",
"r_filtered": 15.833
......@@ -625,7 +625,7 @@ ANALYZE
"attached_condition": "<in_optimizer>(t2.b,t2.b in (subquery#2))"
},
"buffer_type": "flat",
"buffer_size": "256Kb",
"buffer_size": "65",
"join_type": "BNL",
"attached_condition": "<in_optimizer>(t2.b,t2.b in (subquery#2))",
"r_filtered": null
......@@ -711,7 +711,7 @@ ANALYZE
"attached_condition": "t3.f3 in (1,2)"
},
"buffer_type": "flat",
"buffer_size": "256Kb",
"buffer_size": "1",
"join_type": "BNL",
"r_filtered": null
},
......@@ -742,7 +742,7 @@ ANALYZE
"r_filtered": null
},
"buffer_type": "flat",
"buffer_size": "256Kb",
"buffer_size": "65",
"join_type": "BNL",
"attached_condition": "t2.f2 = t3.f3",
"r_filtered": null
......
......@@ -426,7 +426,7 @@ ANALYZE
"r_filtered": 100
},
"buffer_type": "flat",
"buffer_size": "256Kb",
"buffer_size": "65",
"join_type": "BNL",
"attached_condition": "t3.a = t0.a",
"r_filtered": 10
......@@ -497,7 +497,7 @@ ANALYZE
"r_filtered": 100
},
"buffer_type": "flat",
"buffer_size": "256Kb",
"buffer_size": "119",
"join_type": "BNL",
"attached_condition": "t5.a = t6.a",
"r_filtered": 21.429
......@@ -537,7 +537,7 @@ EXPLAIN
"filtered": 100
},
"buffer_type": "flat",
"buffer_size": "256Kb",
"buffer_size": "119",
"join_type": "BNL",
"attached_condition": "t5.a = t6.a"
}
......
......@@ -1409,7 +1409,7 @@ EXPLAIN
"filtered": 100
},
"buffer_type": "flat",
"buffer_size": "256Kb",
"buffer_size": "686",
"join_type": "BNL",
"attached_condition": "prev_gen.father = folks.`id` or prev_gen.mother = folks.`id`"
}
......@@ -1636,16 +1636,16 @@ i div 4 - (i % 4) = ps.i div 4 - (ps.i % 4)
)
SELECT regexp_replace(board,concat('(',REPEAT('.', 4),')'),'\\1\n') n_queens FROM solutions WHERE n_queens = 4;
n_queens
-*--
---*
*---
--*-
--*-
*---
---*
-*--
-*--
---*
*---
--*-
#
# MDEV-10883: execution of prepared statement from SELECT
# with recursive CTE that renames columns
......
......@@ -136,7 +136,7 @@ EXPLAIN
"attached_condition": "v1.max_c > 214"
},
"buffer_type": "flat",
"buffer_size": "256Kb",
"buffer_size": "238",
"join_type": "BNL",
"attached_condition": "t2.a > v1.a",
"materialized": {
......@@ -291,7 +291,7 @@ EXPLAIN
"attached_condition": "v1.max_c > 400 or v1.max_c < 135"
},
"buffer_type": "flat",
"buffer_size": "256Kb",
"buffer_size": "238",
"join_type": "BNL",
"attached_condition": "v1.max_c > 400 and t2.a > v1.a or v1.max_c < 135 and t2.a < v1.a",
"materialized": {
......@@ -359,7 +359,7 @@ EXPLAIN
"attached_condition": "v1.max_c > 300 or v1.max_c < 135"
},
"buffer_type": "flat",
"buffer_size": "256Kb",
"buffer_size": "238",
"join_type": "BNL",
"attached_condition": "v1.b = t2.b and v1.max_c > 300 and v1.avg_c > t2.d or v1.a = t2.a and v1.max_c < 135 and v1.max_c < t2.c",
"materialized": {
......@@ -416,7 +416,7 @@ EXPLAIN
"attached_condition": "v1.a > 6"
},
"buffer_type": "flat",
"buffer_size": "256Kb",
"buffer_size": "238",
"join_type": "BNL",
"attached_condition": "t2.b > v1.b",
"materialized": {
......@@ -483,7 +483,7 @@ EXPLAIN
"attached_condition": "v2.b > 25"
},
"buffer_type": "flat",
"buffer_size": "256Kb",
"buffer_size": "238",
"join_type": "BNL",
"attached_condition": "t2.a < v2.a",
"materialized": {
......@@ -571,7 +571,7 @@ EXPLAIN
"attached_condition": "v1.a > 7 or v1.a < 2"
},
"buffer_type": "flat",
"buffer_size": "256Kb",
"buffer_size": "238",
"join_type": "BNL",
"attached_condition": "v1.a > 7 and t2.c < v1.max_c or v1.a < 2 and t2.b < v1.b",
"materialized": {
......@@ -652,7 +652,7 @@ EXPLAIN
"attached_condition": "v2.a > 7 or v2.a > 5"
},
"buffer_type": "flat",
"buffer_size": "256Kb",
"buffer_size": "238",
"join_type": "BNL",
"attached_condition": "v2.a > 7 and t2.c < v2.max_c or v2.a > 5 and t2.b < v2.b",
"materialized": {
......@@ -719,7 +719,7 @@ EXPLAIN
"attached_condition": "v1.a > 4 or v1.a < 2"
},
"buffer_type": "flat",
"buffer_size": "256Kb",
"buffer_size": "238",
"join_type": "BNL",
"attached_condition": "v1.a > 4 and v1.b > t2.b and v1.max_c = t2.d or v1.a < 2 and v1.max_c < t2.c and v1.max_c = t2.d",
"materialized": {
......@@ -779,7 +779,7 @@ EXPLAIN
"attached_condition": "v1.a < 2 and v1.max_c > 400"
},
"buffer_type": "flat",
"buffer_size": "256Kb",
"buffer_size": "238",
"join_type": "BNL",
"attached_condition": "t2.b > v1.b",
"materialized": {
......@@ -991,7 +991,7 @@ EXPLAIN
"attached_condition": "v1.a > 7 and v1.max_c > 300 or v1.a < 4 and v1.max_c < 500"
},
"buffer_type": "flat",
"buffer_size": "256Kb",
"buffer_size": "238",
"join_type": "BNL",
"attached_condition": "v1.a > 7 and v1.max_c > 300 and t2.c < v1.max_c or v1.a < 4 and v1.max_c < 500 and t2.b < v1.b",
"materialized": {
......@@ -1080,7 +1080,7 @@ EXPLAIN
"attached_condition": "v1.a < 2 and v1.max_c > 120 or v1.a > 7"
},
"buffer_type": "flat",
"buffer_size": "256Kb",
"buffer_size": "238",
"join_type": "BNL",
"attached_condition": "v1.a < 2 and v1.max_c > 120 or v1.a > 7",
"materialized": {
......@@ -1158,7 +1158,7 @@ EXPLAIN
"attached_condition": "v1.a < 2 and v1.max_c > 120 or v1.a > 7"
},
"buffer_type": "flat",
"buffer_size": "256Kb",
"buffer_size": "238",
"join_type": "BNL",
"attached_condition": "v1.b = t2.b and v1.a < 2 and v1.max_c > 120 or v1.a > 7",
"materialized": {
......@@ -1225,7 +1225,7 @@ EXPLAIN
"attached_condition": "v1.a < 2 and v1.max_c < 200 or v1.a > 4"
},
"buffer_type": "flat",
"buffer_size": "256Kb",
"buffer_size": "238",
"join_type": "BNL",
"attached_condition": "v1.a < 2 and v1.max_c < 200 and t2.c > v1.max_c and v1.max_c = t2.d or v1.max_c = t2.c and v1.a > 4 and t2.c < 500 and t2.b < v1.b",
"materialized": {
......@@ -1302,7 +1302,7 @@ EXPLAIN
"attached_condition": "v1.max_c > 400 or v1.max_c < 135"
},
"buffer_type": "flat",
"buffer_size": "256Kb",
"buffer_size": "238",
"join_type": "BNL",
"attached_condition": "v1.max_c > 400 and t2.a > v1.a or v1.max_c < 135 and t2.a < v1.a",
"materialized": {
......@@ -1345,7 +1345,7 @@ EXPLAIN
"attached_condition": "v1.max_c > 400 or v1.max_c < 135"
},
"buffer_type": "flat",
"buffer_size": "256Kb",
"buffer_size": "238",
"join_type": "BNL",
"attached_condition": "v1.max_c > 400 and t2.a > v1.a or v1.max_c < 135 and t2.a < v1.a",
"materialized": {
......@@ -1684,7 +1684,7 @@ EXPLAIN
"attached_condition": "v1.a = 3 and v1.b = 3"
},
"buffer_type": "flat",
"buffer_size": "256Kb",
"buffer_size": "238",
"join_type": "BNL",
"materialized": {
"query_block": {
......@@ -1734,7 +1734,7 @@ EXPLAIN
"attached_condition": "v1.a = 1 and v1.b = 21"
},
"buffer_type": "flat",
"buffer_size": "256Kb",
"buffer_size": "238",
"join_type": "BNL",
"materialized": {
"query_block": {
......@@ -1807,7 +1807,7 @@ EXPLAIN
"filtered": 100
},
"buffer_type": "flat",
"buffer_size": "256Kb",
"buffer_size": "220",
"join_type": "BNL",
"attached_condition": "t.b = v.b or v.max_c > 20"
}
......@@ -1931,7 +1931,7 @@ EXPLAIN
"filtered": 100
},
"buffer_type": "flat",
"buffer_size": "256Kb",
"buffer_size": "238",
"join_type": "BNL",
"attached_condition": "v1.a = t2.a and t2.a < 4 or v1.max_c = t2.c and t2.c > 150",
"materialized": {
......@@ -2061,7 +2061,7 @@ EXPLAIN
"attached_condition": "v1.a = 8 and v1.max_c = 404"
},
"buffer_type": "flat",
"buffer_size": "256Kb",
"buffer_size": "238",
"join_type": "BNL",
"materialized": {
"query_block": {
......@@ -2359,7 +2359,7 @@ EXPLAIN
"filtered": 100
},
"buffer_type": "flat",
"buffer_size": "256Kb",
"buffer_size": "162",
"join_type": "BNL"
}
}
......@@ -2471,7 +2471,7 @@ EXPLAIN
"filtered": 100
},
"buffer_type": "flat",
"buffer_size": "256Kb",
"buffer_size": "238",
"join_type": "BNL",
"materialized": {
"query_block": {
......@@ -2598,7 +2598,7 @@ EXPLAIN
"filtered": 100
},
"buffer_type": "flat",
"buffer_size": "256Kb",
"buffer_size": "238",
"join_type": "BNL",
"attached_condition": "v1.a = t2.a or v1.b = t2.b and (v1.a = 1 or v1.a = 6)",
"materialized": {
......@@ -2693,7 +2693,7 @@ EXPLAIN
"filtered": 100
},
"buffer_type": "flat",
"buffer_size": "256Kb",
"buffer_size": "238",
"join_type": "BNL",
"attached_condition": "v1.a = 1 or v1.b = 21 or t2.a = 2",
"materialized": {
......@@ -2761,7 +2761,7 @@ EXPLAIN
"filtered": 100
},
"buffer_type": "flat",
"buffer_size": "256Kb",
"buffer_size": "238",
"join_type": "BNL",
"attached_condition": "v1.a < t2.a or t2.a < 11",
"materialized": {
......@@ -2943,7 +2943,7 @@ EXPLAIN
"filtered": 100
},
"buffer_type": "flat",
"buffer_size": "256Kb",
"buffer_size": "238",
"join_type": "BNL",
"attached_condition": "v1.b is not null",
"materialized": {
......@@ -3038,7 +3038,7 @@ EXPLAIN
"filtered": 100
},
"buffer_type": "flat",
"buffer_size": "256Kb",
"buffer_size": "238",
"join_type": "BNL",
"attached_condition": "v1.a = t2.a or t2.c < 115",
"materialized": {
......@@ -3067,7 +3067,7 @@ EXPLAIN
"filtered": 100
},
"buffer_type": "incremental",
"buffer_size": "256Kb",
"buffer_size": "4Kb",
"join_type": "BNL",
"attached_condition": "v1.a = t2.a and v2.a = t2.a or v2.b > 13 and t2.c < 115",
"materialized": {
......@@ -3138,7 +3138,7 @@ EXPLAIN
"attached_condition": "v1.max_c < 300"
},
"buffer_type": "flat",
"buffer_size": "256Kb",
"buffer_size": "238",
"join_type": "BNL",
"materialized": {
"query_block": {
......@@ -3167,7 +3167,7 @@ EXPLAIN
"attached_condition": "v2.b < 50 or v2.b = 19"
},
"buffer_type": "incremental",
"buffer_size": "256Kb",
"buffer_size": "4Kb",
"join_type": "BNL",
"attached_condition": "(v2.a = v1.a or v1.a = t2.a) and (v2.b < 50 or v2.b = 19)",
"materialized": {
......@@ -3317,7 +3317,7 @@ EXPLAIN
"attached_condition": "v1.a = 1 and v1.b > 10"
},
"buffer_type": "flat",
"buffer_size": "256Kb",
"buffer_size": "238",
"join_type": "BNL",
"attached_condition": "v1.b is not null",
"materialized": {
......@@ -3435,7 +3435,7 @@ EXPLAIN
"attached_condition": "t.a = 'b'"
},
"buffer_type": "flat",
"buffer_size": "256Kb",
"buffer_size": "220",
"join_type": "BNL"
}
}
......@@ -3544,7 +3544,7 @@ EXPLAIN
"attached_condition": "v2.max_c > 300"
},
"buffer_type": "flat",
"buffer_size": "256Kb",
"buffer_size": "715",
"join_type": "BNL",
"materialized": {
"query_block": {
......@@ -3574,7 +3574,7 @@ EXPLAIN
"attached_condition": "v1.max_c < 500"
},
"buffer_type": "incremental",
"buffer_size": "256Kb",
"buffer_size": "9Kb",
"join_type": "BNL",
"attached_condition": "v1.a = v2.a or v1.a = t2.a",
"materialized": {
......@@ -3790,7 +3790,7 @@ EXPLAIN
"attached_condition": "v1.avg_c < 400 or v1.a > 1"
},
"buffer_type": "flat",
"buffer_size": "256Kb",
"buffer_size": "238",
"join_type": "BNL",
"attached_condition": "(v1.avg_c < 400 or v1.a > 1) and v1.a is not null and v1.b is not null",
"materialized": {
......@@ -3935,7 +3935,7 @@ EXPLAIN
"attached_condition": "(v1.a = 1 or v1.max_c < 300) and v1.b > 25"
},
"buffer_type": "flat",
"buffer_size": "256Kb",
"buffer_size": "238",
"join_type": "BNL",
"attached_condition": "v1.a = 1 or v1.max_c < 300",
"materialized": {
......@@ -4128,7 +4128,7 @@ EXPLAIN
"attached_condition": "v1.max_c > 100 and v1.a > 7"
},
"buffer_type": "flat",
"buffer_size": "256Kb",
"buffer_size": "238",
"join_type": "BNL",
"materialized": {
"query_block": {
......@@ -4229,7 +4229,7 @@ EXPLAIN
"attached_condition": "v1.b = 19 and v1.a < 5"
},
"buffer_type": "flat",
"buffer_size": "256Kb",
"buffer_size": "238",
"join_type": "BNL",
"materialized": {
"query_block": {
......@@ -4271,7 +4271,7 @@ EXPLAIN
"attached_condition": "v1.max_c > 400 or v1.avg_c > 270"
},
"buffer_type": "flat",
"buffer_size": "256Kb",
"buffer_size": "238",
"join_type": "BNL",
"attached_condition": "(v1.max_c > 400 or v1.avg_c > 270) and v1.a < t2.a",
"materialized": {
......@@ -4383,7 +4383,7 @@ EXPLAIN
"attached_condition": "v1.a = 1 or v1.a = 6"
},
"buffer_type": "flat",
"buffer_size": "256Kb",
"buffer_size": "238",
"join_type": "BNL",
"attached_condition": "(v1.a = t2.a or v1.b = t2.b) and (v1.a = 1 or v1.a = 6)",
"materialized": {
......@@ -4426,7 +4426,7 @@ EXPLAIN
"attached_condition": "v1.a > 3 and v1.b > 27 or v1.max_c > 550"
},
"buffer_type": "flat",
"buffer_size": "256Kb",
"buffer_size": "238",
"join_type": "BNL",
"attached_condition": "v1.a > 3 and v1.b > 27 or v1.max_c > 550",
"materialized": {
......@@ -4540,7 +4540,7 @@ EXPLAIN
"attached_condition": "v1.a = 1 and (v1.max_c < 500 or v1.avg_c > 500)"
},
"buffer_type": "flat",
"buffer_size": "256Kb",
"buffer_size": "238",
"join_type": "BNL",
"attached_condition": "v1.max_c < 500 or v1.avg_c > 500",
"materialized": {
......@@ -4584,7 +4584,7 @@ EXPLAIN
"attached_condition": "v2.b > 10"
},
"buffer_type": "flat",
"buffer_size": "256Kb",
"buffer_size": "238",
"join_type": "BNL",
"attached_condition": "v2.a < t2.b or v2.max_c > 200",
"materialized": {
......@@ -4706,7 +4706,7 @@ EXPLAIN
"attached_condition": "v_union.a < 3 and v_union.c > 100"
},
"buffer_type": "flat",
"buffer_size": "256Kb",
"buffer_size": "238",
"join_type": "BNL",
"materialized": {
"query_block": {
......@@ -4814,7 +4814,7 @@ EXPLAIN
"attached_condition": "(v_union.a < 2 or v_union.c > 800) and v_union.b > 12"
},
"buffer_type": "flat",
"buffer_size": "256Kb",
"buffer_size": "238",
"join_type": "BNL",
"attached_condition": "v_union.a < 2 or v_union.c > 800",
"materialized": {
......@@ -4911,7 +4911,7 @@ EXPLAIN
"attached_condition": "v_union.a = 1 and v_union.c < 200"
},
"buffer_type": "flat",
"buffer_size": "256Kb",
"buffer_size": "238",
"join_type": "BNL",
"materialized": {
"query_block": {
......@@ -5078,7 +5078,7 @@ EXPLAIN
"attached_condition": "v1.a = 1"
},
"buffer_type": "flat",
"buffer_size": "256Kb",
"buffer_size": "238",
"join_type": "BNL",
"materialized": {
"query_block": {
......@@ -5108,7 +5108,7 @@ EXPLAIN
"attached_condition": "v_union.a = 1"
},
"buffer_type": "incremental",
"buffer_size": "256Kb",
"buffer_size": "4Kb",
"join_type": "BNL",
"attached_condition": "v_union.c > 800 or v1.max_c > 200",
"materialized": {
......@@ -5923,7 +5923,7 @@ EXPLAIN
"attached_condition": "v1.a > 5 and v1.b > 12"
},
"buffer_type": "flat",
"buffer_size": "256Kb",
"buffer_size": "333",
"join_type": "BNL",
"materialized": {
"query_block": {
......@@ -6306,7 +6306,7 @@ EXPLAIN
"attached_condition": "v4.b > 10 and v4.a > 1 or v4.b < 20"
},
"buffer_type": "flat",
"buffer_size": "256Kb",
"buffer_size": "238",
"join_type": "BNL",
"attached_condition": "(v4.b > 10 and v4.a > 1 or v4.b < 20) and v4.a is not null",
"materialized": {
......@@ -6451,7 +6451,7 @@ EXPLAIN
"filtered": 100
},
"buffer_type": "flat",
"buffer_size": "256Kb",
"buffer_size": "333",
"join_type": "BNL",
"materialized": {
"query_block": {
......@@ -6971,7 +6971,7 @@ EXPLAIN
"filtered": 100
},
"buffer_type": "flat",
"buffer_size": "256Kb",
"buffer_size": "715",
"join_type": "BNL",
"materialized": {
"query_block": {
......@@ -7766,7 +7766,7 @@ EXPLAIN
"attached_condition": "v2.pk > 2"
},
"buffer_type": "flat",
"buffer_size": "256Kb",
"buffer_size": "119",
"join_type": "BNL",
"materialized": {
"query_block": {
......@@ -8763,7 +8763,7 @@ EXPLAIN
"attached_condition": "v2.i2 = 1"
},
"buffer_type": "flat",
"buffer_size": "256Kb",
"buffer_size": "65",
"join_type": "BNL",
"materialized": {
"query_block": {
......@@ -8879,7 +8879,7 @@ EXPLAIN
"filtered": 100
},
"buffer_type": "flat",
"buffer_size": "256Kb",
"buffer_size": "163",
"join_type": "BNL",
"attached_condition": "t1.id2 = vc.id2"
}
......@@ -8952,7 +8952,7 @@ EXPLAIN
"attached_condition": "v1.a = 1 and v1.b = 1 and v1.max_c > 30"
},
"buffer_type": "flat",
"buffer_size": "256Kb",
"buffer_size": "173",
"join_type": "BNL",
"materialized": {
"query_block": {
......@@ -9027,7 +9027,7 @@ EXPLAIN
"attached_condition": "v1.a = 1 and v1.b = 1 and v1.d = 1 and v1.max_c > 30"
},
"buffer_type": "flat",
"buffer_size": "256Kb",
"buffer_size": "173",
"join_type": "BNL",
"materialized": {
"query_block": {
......@@ -9758,7 +9758,7 @@ EXPLAIN
"filtered": 100
},
"buffer_type": "flat",
"buffer_size": "256Kb",
"buffer_size": "65",
"join_type": "BNL",
"attached_condition": "t1.a = dt1.a"
}
......@@ -9817,7 +9817,7 @@ EXPLAIN
"filtered": 100
},
"buffer_type": "flat",
"buffer_size": "256Kb",
"buffer_size": "119",
"join_type": "BNL",
"attached_condition": "t1.a = dt.a"
}
......@@ -10313,7 +10313,7 @@ EXPLAIN
"attached_condition": "t1.f is not null"
},
"buffer_type": "flat",
"buffer_size": "256Kb",
"buffer_size": "64",
"join_type": "BNL"
}
}
......@@ -10488,7 +10488,7 @@ EXPLAIN
"filtered": 100
},
"buffer_type": "flat",
"buffer_size": "256Kb",
"buffer_size": "65",
"join_type": "BNL",
"attached_condition": "t1.f2 = t.f2"
}
......@@ -10647,7 +10647,7 @@ EXPLAIN
"attached_condition": "v1.a = 8"
},
"buffer_type": "flat",
"buffer_size": "256Kb",
"buffer_size": "173",
"join_type": "BNL",
"materialized": {
"query_block": {
......@@ -10735,7 +10735,7 @@ EXPLAIN
"attached_condition": "v1.a = 8"
},
"buffer_type": "flat",
"buffer_size": "256Kb",
"buffer_size": "173",
"join_type": "BNL",
"materialized": {
"query_block": {
......@@ -11225,7 +11225,7 @@ EXPLAIN
"attached_condition": "v1.a > 3 or v1.a = 1 and v1.c < 110"
},
"buffer_type": "flat",
"buffer_size": "256Kb",
"buffer_size": "173",
"join_type": "BNL",
"attached_condition": "v1.c = t2.c and v1.a > 3 and t2.c > 110 or v1.a = 1 and v1.c < 110",
"materialized": {
......@@ -11566,7 +11566,7 @@ EXPLAIN
"attached_condition": "v1.a = 6"
},
"buffer_type": "flat",
"buffer_size": "256Kb",
"buffer_size": "173",
"join_type": "BNL",
"materialized": {
"query_block": {
......@@ -11656,7 +11656,7 @@ EXPLAIN
"attached_condition": "v1.a = 6"
},
"buffer_type": "flat",
"buffer_size": "256Kb",
"buffer_size": "173",
"join_type": "BNL",
"materialized": {
"query_block": {
......@@ -12150,7 +12150,7 @@ EXPLAIN
"attached_condition": "v1.a > 1 or v1.a = 1 and v1.c > 500"
},
"buffer_type": "flat",
"buffer_size": "256Kb",
"buffer_size": "173",
"join_type": "BNL",
"attached_condition": "v1.c = t2.c and v1.a > 1 and t2.c < 500 or v1.a = 1 and v1.c > 500",
"materialized": {
......@@ -14010,7 +14010,7 @@ EXPLAIN
"filtered": 100
},
"buffer_type": "flat",
"buffer_size": "256Kb",
"buffer_size": "173",
"join_type": "BNL",
"attached_condition": "t2.b = v1.b"
}
......@@ -14106,7 +14106,7 @@ EXPLAIN
"filtered": 100
},
"buffer_type": "flat",
"buffer_size": "256Kb",
"buffer_size": "173",
"join_type": "BNL",
"attached_condition": "t2.b = v1.b"
}
......@@ -16413,7 +16413,7 @@ EXPLAIN
"filtered": 100
},
"buffer_type": "flat",
"buffer_size": "256Kb",
"buffer_size": "65",
"join_type": "BNL",
"attached_condition": "t2.i = t1.i and t2.i = t1.i"
}
......
......@@ -255,7 +255,7 @@ EXPLAIN
"filtered": 100
},
"buffer_type": "flat",
"buffer_size": "256Kb",
"buffer_size": "119",
"join_type": "BNL"
}
}
......@@ -278,7 +278,7 @@ EXPLAIN
"filtered": 100
},
"buffer_type": "flat",
"buffer_size": "256Kb",
"buffer_size": "119",
"join_type": "BNL"
}
}
......@@ -324,7 +324,7 @@ ANALYZE
"r_filtered": 100
},
"buffer_type": "flat",
"buffer_size": "256Kb",
"buffer_size": "119",
"join_type": "BNL",
"r_filtered": 100
}
......@@ -358,7 +358,7 @@ ANALYZE
"r_filtered": 100
},
"buffer_type": "flat",
"buffer_size": "256Kb",
"buffer_size": "119",
"join_type": "BNL",
"r_filtered": 100
}
......@@ -420,7 +420,7 @@ ANALYZE
"r_filtered": 100
},
"buffer_type": "flat",
"buffer_size": "256Kb",
"buffer_size": "119",
"join_type": "BNL",
"r_filtered": 100
}
......@@ -454,7 +454,7 @@ ANALYZE
"r_filtered": 100
},
"buffer_type": "flat",
"buffer_size": "256Kb",
"buffer_size": "119",
"join_type": "BNL",
"r_filtered": 100
}
......
......@@ -373,7 +373,7 @@ EXPLAIN
"attached_condition": "tbl2.b < 5"
},
"buffer_type": "flat",
"buffer_size": "256Kb",
"buffer_size": "1Kb",
"join_type": "BNL",
"attached_condition": "tbl2.a = tbl1.a"
}
......@@ -640,7 +640,7 @@ EXPLAIN
"filtered": 100
},
"buffer_type": "flat",
"buffer_size": "256Kb",
"buffer_size": "1Kb",
"join_type": "BNL"
}
}
......@@ -674,7 +674,7 @@ EXPLAIN
"first_match": "t2"
},
"buffer_type": "flat",
"buffer_size": "256Kb",
"buffer_size": "141",
"join_type": "BNL",
"attached_condition": "t1.b = t2.b and t1.a = t2.a"
}
......@@ -711,7 +711,7 @@ EXPLAIN
"filtered": 100
},
"buffer_type": "flat",
"buffer_size": "256Kb",
"buffer_size": "206",
"join_type": "BNL",
"attached_condition": "t1.b = t2.b and t1.a = t2.a"
}
......@@ -825,7 +825,7 @@ EXPLAIN
"filtered": 100
},
"buffer_type": "flat",
"buffer_size": "256Kb",
"buffer_size": "65",
"join_type": "BNL",
"attached_condition": "t2.b <> outer_t1.a"
}
......@@ -876,7 +876,7 @@ EXPLAIN
"filtered": 100
},
"buffer_type": "flat",
"buffer_size": "256Kb",
"buffer_size": "1Kb",
"join_type": "BNL",
"attached_condition": "tbl2.b = tbl1.b"
}
......@@ -1492,7 +1492,7 @@ EXPLAIN
"index_condition_bka": "t4.b + 1 <= t3.b + 1"
},
"buffer_type": "flat",
"buffer_size": "256Kb",
"buffer_size": "400",
"join_type": "BKA",
"mrr_type": "Rowid-ordered scan"
}
......@@ -1535,7 +1535,7 @@ ANALYZE
"index_condition_bka": "t4.b + 1 <= t3.b + 1"
},
"buffer_type": "flat",
"buffer_size": "256Kb",
"buffer_size": "400",
"join_type": "BKA",
"mrr_type": "Rowid-ordered scan",
"r_filtered": 100
......
......@@ -605,7 +605,7 @@ EXPLAIN
"filtered": 100
},
"buffer_type": "flat",
"buffer_size": "256Kb",
"buffer_size": "119",
"join_type": "BNL",
"attached_condition": "t1.c = t3.y and t1.a is not null"
},
......@@ -1505,7 +1505,7 @@ EXPLAIN
"filtered": 100
},
"buffer_type": "flat",
"buffer_size": "256Kb",
"buffer_size": "119",
"join_type": "BNL",
"attached_condition": "t1.a = t3.x and t1.c is not null"
},
......
......@@ -316,7 +316,7 @@ EXPLAIN
"filtered": 100
},
"buffer_type": "flat",
"buffer_size": "256Kb",
"buffer_size": "65",
"join_type": "BNL"
}
}
......@@ -380,7 +380,7 @@ ANALYZE
"r_filtered": 100
},
"buffer_type": "flat",
"buffer_size": "256Kb",
"buffer_size": "65",
"join_type": "BNL",
"r_filtered": 100
}
......@@ -459,7 +459,7 @@ ANALYZE
"r_filtered": 100
},
"buffer_type": "flat",
"buffer_size": "256Kb",
"buffer_size": "65",
"join_type": "BNL",
"r_filtered": 100
}
......
--- main/myisam_mrr.result 2019-02-04 13:47:00.000000000 +0530
+++ main/myisam_mrr,64bit.reject 2019-02-04 13:50:01.000000000 +0530
@@ -617,8 +617,8 @@
show status like 'handler_mrr%';
Variable_name Value
Handler_mrr_init 1
-Handler_mrr_key_refills 0
-Handler_mrr_rowid_refills 0
+Handler_mrr_key_refills 1
+Handler_mrr_rowid_refills 1
set join_buffer_size=10;
explain select sum(t1.b) from t0,t1 where t0.a=t1.a;
id select_type table type possible_keys key key_len ref rows Extra
......@@ -12,6 +12,7 @@ set @mrr_buffer_size_save= @@mrr_buffer_size;
set mrr_buffer_size=79;
-- source include/mrr_tests.inc
-- source include/word_size.inc
set @@mrr_buffer_size= @mrr_buffer_size_save;
......
......@@ -1571,7 +1571,7 @@ old-style-user-limits FALSE
optimizer-prune-level 1
optimizer-search-depth 62
optimizer-selectivity-sampling-limit 100
optimizer-switch index_merge=on,index_merge_union=on,index_merge_sort_union=on,index_merge_intersection=on,index_merge_sort_intersection=off,engine_condition_pushdown=off,index_condition_pushdown=on,derived_merge=on,derived_with_keys=on,firstmatch=on,loosescan=on,materialization=on,in_to_exists=on,semijoin=on,partial_match_rowid_merge=on,partial_match_table_scan=on,subquery_cache=on,mrr=off,mrr_cost_based=off,mrr_sort_keys=off,outer_join_with_cache=on,semijoin_with_cache=on,join_cache_incremental=on,join_cache_hashed=on,join_cache_bka=on,optimize_join_buffer_size=off,table_elimination=on,extended_keys=on,exists_to_in=on,orderby_uses_equalities=on,condition_pushdown_for_derived=on,split_materialized=on,condition_pushdown_for_subquery=on,rowid_filter=on
optimizer-switch index_merge=on,index_merge_union=on,index_merge_sort_union=on,index_merge_intersection=on,index_merge_sort_intersection=off,engine_condition_pushdown=off,index_condition_pushdown=on,derived_merge=on,derived_with_keys=on,firstmatch=on,loosescan=on,materialization=on,in_to_exists=on,semijoin=on,partial_match_rowid_merge=on,partial_match_table_scan=on,subquery_cache=on,mrr=off,mrr_cost_based=off,mrr_sort_keys=off,outer_join_with_cache=on,semijoin_with_cache=on,join_cache_incremental=on,join_cache_hashed=on,join_cache_bka=on,optimize_join_buffer_size=on,table_elimination=on,extended_keys=on,exists_to_in=on,orderby_uses_equalities=on,condition_pushdown_for_derived=on,split_materialized=on,condition_pushdown_for_subquery=on,rowid_filter=on
optimizer-trace
optimizer-trace-max-mem-size 1048576
optimizer-use-condition-selectivity 4
......
SET @start_global_value = @@global.optimizer_switch;
SELECT @start_global_value;
@start_global_value
index_merge=on,index_merge_union=on,index_merge_sort_union=on,index_merge_intersection=on,index_merge_sort_intersection=off,engine_condition_pushdown=off,index_condition_pushdown=on,derived_merge=on,derived_with_keys=on,firstmatch=on,loosescan=on,materialization=on,in_to_exists=on,semijoin=on,partial_match_rowid_merge=on,partial_match_table_scan=on,subquery_cache=on,mrr=off,mrr_cost_based=off,mrr_sort_keys=off,outer_join_with_cache=on,semijoin_with_cache=on,join_cache_incremental=on,join_cache_hashed=on,join_cache_bka=on,optimize_join_buffer_size=off,table_elimination=on,extended_keys=on,exists_to_in=on,orderby_uses_equalities=on,condition_pushdown_for_derived=on,split_materialized=on,condition_pushdown_for_subquery=on,rowid_filter=on
index_merge=on,index_merge_union=on,index_merge_sort_union=on,index_merge_intersection=on,index_merge_sort_intersection=off,engine_condition_pushdown=off,index_condition_pushdown=on,derived_merge=on,derived_with_keys=on,firstmatch=on,loosescan=on,materialization=on,in_to_exists=on,semijoin=on,partial_match_rowid_merge=on,partial_match_table_scan=on,subquery_cache=on,mrr=off,mrr_cost_based=off,mrr_sort_keys=off,outer_join_with_cache=on,semijoin_with_cache=on,join_cache_incremental=on,join_cache_hashed=on,join_cache_bka=on,optimize_join_buffer_size=on,table_elimination=on,extended_keys=on,exists_to_in=on,orderby_uses_equalities=on,condition_pushdown_for_derived=on,split_materialized=on,condition_pushdown_for_subquery=on,rowid_filter=on
select @@global.optimizer_switch;
@@global.optimizer_switch
index_merge=on,index_merge_union=on,index_merge_sort_union=on,index_merge_intersection=on,index_merge_sort_intersection=off,engine_condition_pushdown=off,index_condition_pushdown=on,derived_merge=on,derived_with_keys=on,firstmatch=on,loosescan=on,materialization=on,in_to_exists=on,semijoin=on,partial_match_rowid_merge=on,partial_match_table_scan=on,subquery_cache=on,mrr=off,mrr_cost_based=off,mrr_sort_keys=off,outer_join_with_cache=on,semijoin_with_cache=on,join_cache_incremental=on,join_cache_hashed=on,join_cache_bka=on,optimize_join_buffer_size=off,table_elimination=on,extended_keys=on,exists_to_in=on,orderby_uses_equalities=on,condition_pushdown_for_derived=on,split_materialized=on,condition_pushdown_for_subquery=on,rowid_filter=on
index_merge=on,index_merge_union=on,index_merge_sort_union=on,index_merge_intersection=on,index_merge_sort_intersection=off,engine_condition_pushdown=off,index_condition_pushdown=on,derived_merge=on,derived_with_keys=on,firstmatch=on,loosescan=on,materialization=on,in_to_exists=on,semijoin=on,partial_match_rowid_merge=on,partial_match_table_scan=on,subquery_cache=on,mrr=off,mrr_cost_based=off,mrr_sort_keys=off,outer_join_with_cache=on,semijoin_with_cache=on,join_cache_incremental=on,join_cache_hashed=on,join_cache_bka=on,optimize_join_buffer_size=on,table_elimination=on,extended_keys=on,exists_to_in=on,orderby_uses_equalities=on,condition_pushdown_for_derived=on,split_materialized=on,condition_pushdown_for_subquery=on,rowid_filter=on
select @@session.optimizer_switch;
@@session.optimizer_switch
index_merge=on,index_merge_union=on,index_merge_sort_union=on,index_merge_intersection=on,index_merge_sort_intersection=off,engine_condition_pushdown=off,index_condition_pushdown=on,derived_merge=on,derived_with_keys=on,firstmatch=on,loosescan=on,materialization=on,in_to_exists=on,semijoin=on,partial_match_rowid_merge=on,partial_match_table_scan=on,subquery_cache=on,mrr=off,mrr_cost_based=off,mrr_sort_keys=off,outer_join_with_cache=on,semijoin_with_cache=on,join_cache_incremental=on,join_cache_hashed=on,join_cache_bka=on,optimize_join_buffer_size=off,table_elimination=on,extended_keys=on,exists_to_in=on,orderby_uses_equalities=on,condition_pushdown_for_derived=on,split_materialized=on,condition_pushdown_for_subquery=on,rowid_filter=on
index_merge=on,index_merge_union=on,index_merge_sort_union=on,index_merge_intersection=on,index_merge_sort_intersection=off,engine_condition_pushdown=off,index_condition_pushdown=on,derived_merge=on,derived_with_keys=on,firstmatch=on,loosescan=on,materialization=on,in_to_exists=on,semijoin=on,partial_match_rowid_merge=on,partial_match_table_scan=on,subquery_cache=on,mrr=off,mrr_cost_based=off,mrr_sort_keys=off,outer_join_with_cache=on,semijoin_with_cache=on,join_cache_incremental=on,join_cache_hashed=on,join_cache_bka=on,optimize_join_buffer_size=on,table_elimination=on,extended_keys=on,exists_to_in=on,orderby_uses_equalities=on,condition_pushdown_for_derived=on,split_materialized=on,condition_pushdown_for_subquery=on,rowid_filter=on
show global variables like 'optimizer_switch';
Variable_name Value
optimizer_switch index_merge=on,index_merge_union=on,index_merge_sort_union=on,index_merge_intersection=on,index_merge_sort_intersection=off,engine_condition_pushdown=off,index_condition_pushdown=on,derived_merge=on,derived_with_keys=on,firstmatch=on,loosescan=on,materialization=on,in_to_exists=on,semijoin=on,partial_match_rowid_merge=on,partial_match_table_scan=on,subquery_cache=on,mrr=off,mrr_cost_based=off,mrr_sort_keys=off,outer_join_with_cache=on,semijoin_with_cache=on,join_cache_incremental=on,join_cache_hashed=on,join_cache_bka=on,optimize_join_buffer_size=off,table_elimination=on,extended_keys=on,exists_to_in=on,orderby_uses_equalities=on,condition_pushdown_for_derived=on,split_materialized=on,condition_pushdown_for_subquery=on,rowid_filter=on
optimizer_switch index_merge=on,index_merge_union=on,index_merge_sort_union=on,index_merge_intersection=on,index_merge_sort_intersection=off,engine_condition_pushdown=off,index_condition_pushdown=on,derived_merge=on,derived_with_keys=on,firstmatch=on,loosescan=on,materialization=on,in_to_exists=on,semijoin=on,partial_match_rowid_merge=on,partial_match_table_scan=on,subquery_cache=on,mrr=off,mrr_cost_based=off,mrr_sort_keys=off,outer_join_with_cache=on,semijoin_with_cache=on,join_cache_incremental=on,join_cache_hashed=on,join_cache_bka=on,optimize_join_buffer_size=on,table_elimination=on,extended_keys=on,exists_to_in=on,orderby_uses_equalities=on,condition_pushdown_for_derived=on,split_materialized=on,condition_pushdown_for_subquery=on,rowid_filter=on
show session variables like 'optimizer_switch';
Variable_name Value
optimizer_switch index_merge=on,index_merge_union=on,index_merge_sort_union=on,index_merge_intersection=on,index_merge_sort_intersection=off,engine_condition_pushdown=off,index_condition_pushdown=on,derived_merge=on,derived_with_keys=on,firstmatch=on,loosescan=on,materialization=on,in_to_exists=on,semijoin=on,partial_match_rowid_merge=on,partial_match_table_scan=on,subquery_cache=on,mrr=off,mrr_cost_based=off,mrr_sort_keys=off,outer_join_with_cache=on,semijoin_with_cache=on,join_cache_incremental=on,join_cache_hashed=on,join_cache_bka=on,optimize_join_buffer_size=off,table_elimination=on,extended_keys=on,exists_to_in=on,orderby_uses_equalities=on,condition_pushdown_for_derived=on,split_materialized=on,condition_pushdown_for_subquery=on,rowid_filter=on
optimizer_switch index_merge=on,index_merge_union=on,index_merge_sort_union=on,index_merge_intersection=on,index_merge_sort_intersection=off,engine_condition_pushdown=off,index_condition_pushdown=on,derived_merge=on,derived_with_keys=on,firstmatch=on,loosescan=on,materialization=on,in_to_exists=on,semijoin=on,partial_match_rowid_merge=on,partial_match_table_scan=on,subquery_cache=on,mrr=off,mrr_cost_based=off,mrr_sort_keys=off,outer_join_with_cache=on,semijoin_with_cache=on,join_cache_incremental=on,join_cache_hashed=on,join_cache_bka=on,optimize_join_buffer_size=on,table_elimination=on,extended_keys=on,exists_to_in=on,orderby_uses_equalities=on,condition_pushdown_for_derived=on,split_materialized=on,condition_pushdown_for_subquery=on,rowid_filter=on
select * from information_schema.global_variables where variable_name='optimizer_switch';
VARIABLE_NAME VARIABLE_VALUE
OPTIMIZER_SWITCH index_merge=on,index_merge_union=on,index_merge_sort_union=on,index_merge_intersection=on,index_merge_sort_intersection=off,engine_condition_pushdown=off,index_condition_pushdown=on,derived_merge=on,derived_with_keys=on,firstmatch=on,loosescan=on,materialization=on,in_to_exists=on,semijoin=on,partial_match_rowid_merge=on,partial_match_table_scan=on,subquery_cache=on,mrr=off,mrr_cost_based=off,mrr_sort_keys=off,outer_join_with_cache=on,semijoin_with_cache=on,join_cache_incremental=on,join_cache_hashed=on,join_cache_bka=on,optimize_join_buffer_size=off,table_elimination=on,extended_keys=on,exists_to_in=on,orderby_uses_equalities=on,condition_pushdown_for_derived=on,split_materialized=on,condition_pushdown_for_subquery=on,rowid_filter=on
OPTIMIZER_SWITCH index_merge=on,index_merge_union=on,index_merge_sort_union=on,index_merge_intersection=on,index_merge_sort_intersection=off,engine_condition_pushdown=off,index_condition_pushdown=on,derived_merge=on,derived_with_keys=on,firstmatch=on,loosescan=on,materialization=on,in_to_exists=on,semijoin=on,partial_match_rowid_merge=on,partial_match_table_scan=on,subquery_cache=on,mrr=off,mrr_cost_based=off,mrr_sort_keys=off,outer_join_with_cache=on,semijoin_with_cache=on,join_cache_incremental=on,join_cache_hashed=on,join_cache_bka=on,optimize_join_buffer_size=on,table_elimination=on,extended_keys=on,exists_to_in=on,orderby_uses_equalities=on,condition_pushdown_for_derived=on,split_materialized=on,condition_pushdown_for_subquery=on,rowid_filter=on
select * from information_schema.session_variables where variable_name='optimizer_switch';
VARIABLE_NAME VARIABLE_VALUE
OPTIMIZER_SWITCH index_merge=on,index_merge_union=on,index_merge_sort_union=on,index_merge_intersection=on,index_merge_sort_intersection=off,engine_condition_pushdown=off,index_condition_pushdown=on,derived_merge=on,derived_with_keys=on,firstmatch=on,loosescan=on,materialization=on,in_to_exists=on,semijoin=on,partial_match_rowid_merge=on,partial_match_table_scan=on,subquery_cache=on,mrr=off,mrr_cost_based=off,mrr_sort_keys=off,outer_join_with_cache=on,semijoin_with_cache=on,join_cache_incremental=on,join_cache_hashed=on,join_cache_bka=on,optimize_join_buffer_size=off,table_elimination=on,extended_keys=on,exists_to_in=on,orderby_uses_equalities=on,condition_pushdown_for_derived=on,split_materialized=on,condition_pushdown_for_subquery=on,rowid_filter=on
OPTIMIZER_SWITCH index_merge=on,index_merge_union=on,index_merge_sort_union=on,index_merge_intersection=on,index_merge_sort_intersection=off,engine_condition_pushdown=off,index_condition_pushdown=on,derived_merge=on,derived_with_keys=on,firstmatch=on,loosescan=on,materialization=on,in_to_exists=on,semijoin=on,partial_match_rowid_merge=on,partial_match_table_scan=on,subquery_cache=on,mrr=off,mrr_cost_based=off,mrr_sort_keys=off,outer_join_with_cache=on,semijoin_with_cache=on,join_cache_incremental=on,join_cache_hashed=on,join_cache_bka=on,optimize_join_buffer_size=on,table_elimination=on,extended_keys=on,exists_to_in=on,orderby_uses_equalities=on,condition_pushdown_for_derived=on,split_materialized=on,condition_pushdown_for_subquery=on,rowid_filter=on
set global optimizer_switch=10;
set session optimizer_switch=5;
select @@global.optimizer_switch;
......@@ -69,4 +69,4 @@ ERROR 42000: Variable 'optimizer_switch' can't be set to the value of 'foobar'
SET @@global.optimizer_switch = @start_global_value;
SELECT @@global.optimizer_switch;
@@global.optimizer_switch
index_merge=on,index_merge_union=on,index_merge_sort_union=on,index_merge_intersection=on,index_merge_sort_intersection=off,engine_condition_pushdown=off,index_condition_pushdown=on,derived_merge=on,derived_with_keys=on,firstmatch=on,loosescan=on,materialization=on,in_to_exists=on,semijoin=on,partial_match_rowid_merge=on,partial_match_table_scan=on,subquery_cache=on,mrr=off,mrr_cost_based=off,mrr_sort_keys=off,outer_join_with_cache=on,semijoin_with_cache=on,join_cache_incremental=on,join_cache_hashed=on,join_cache_bka=on,optimize_join_buffer_size=off,table_elimination=on,extended_keys=on,exists_to_in=on,orderby_uses_equalities=on,condition_pushdown_for_derived=on,split_materialized=on,condition_pushdown_for_subquery=on,rowid_filter=on
index_merge=on,index_merge_union=on,index_merge_sort_union=on,index_merge_intersection=on,index_merge_sort_intersection=off,engine_condition_pushdown=off,index_condition_pushdown=on,derived_merge=on,derived_with_keys=on,firstmatch=on,loosescan=on,materialization=on,in_to_exists=on,semijoin=on,partial_match_rowid_merge=on,partial_match_table_scan=on,subquery_cache=on,mrr=off,mrr_cost_based=off,mrr_sort_keys=off,outer_join_with_cache=on,semijoin_with_cache=on,join_cache_incremental=on,join_cache_hashed=on,join_cache_bka=on,optimize_join_buffer_size=on,table_elimination=on,extended_keys=on,exists_to_in=on,orderby_uses_equalities=on,condition_pushdown_for_derived=on,split_materialized=on,condition_pushdown_for_subquery=on,rowid_filter=on
......@@ -2743,10 +2743,10 @@ ENUM_VALUE_LIST NULL
READ_ONLY NO
COMMAND_LINE_ARGUMENT REQUIRED
VARIABLE_NAME OPTIMIZER_SWITCH
SESSION_VALUE index_merge=on,index_merge_union=on,index_merge_sort_union=on,index_merge_intersection=on,index_merge_sort_intersection=off,engine_condition_pushdown=off,index_condition_pushdown=on,derived_merge=on,derived_with_keys=on,firstmatch=on,loosescan=on,materialization=on,in_to_exists=on,semijoin=on,partial_match_rowid_merge=on,partial_match_table_scan=on,subquery_cache=on,mrr=off,mrr_cost_based=off,mrr_sort_keys=off,outer_join_with_cache=on,semijoin_with_cache=on,join_cache_incremental=on,join_cache_hashed=on,join_cache_bka=on,optimize_join_buffer_size=off,table_elimination=on,extended_keys=on,exists_to_in=on,orderby_uses_equalities=on,condition_pushdown_for_derived=on,split_materialized=on,condition_pushdown_for_subquery=on,rowid_filter=on
GLOBAL_VALUE index_merge=on,index_merge_union=on,index_merge_sort_union=on,index_merge_intersection=on,index_merge_sort_intersection=off,engine_condition_pushdown=off,index_condition_pushdown=on,derived_merge=on,derived_with_keys=on,firstmatch=on,loosescan=on,materialization=on,in_to_exists=on,semijoin=on,partial_match_rowid_merge=on,partial_match_table_scan=on,subquery_cache=on,mrr=off,mrr_cost_based=off,mrr_sort_keys=off,outer_join_with_cache=on,semijoin_with_cache=on,join_cache_incremental=on,join_cache_hashed=on,join_cache_bka=on,optimize_join_buffer_size=off,table_elimination=on,extended_keys=on,exists_to_in=on,orderby_uses_equalities=on,condition_pushdown_for_derived=on,split_materialized=on,condition_pushdown_for_subquery=on,rowid_filter=on
SESSION_VALUE index_merge=on,index_merge_union=on,index_merge_sort_union=on,index_merge_intersection=on,index_merge_sort_intersection=off,engine_condition_pushdown=off,index_condition_pushdown=on,derived_merge=on,derived_with_keys=on,firstmatch=on,loosescan=on,materialization=on,in_to_exists=on,semijoin=on,partial_match_rowid_merge=on,partial_match_table_scan=on,subquery_cache=on,mrr=off,mrr_cost_based=off,mrr_sort_keys=off,outer_join_with_cache=on,semijoin_with_cache=on,join_cache_incremental=on,join_cache_hashed=on,join_cache_bka=on,optimize_join_buffer_size=on,table_elimination=on,extended_keys=on,exists_to_in=on,orderby_uses_equalities=on,condition_pushdown_for_derived=on,split_materialized=on,condition_pushdown_for_subquery=on,rowid_filter=on
GLOBAL_VALUE index_merge=on,index_merge_union=on,index_merge_sort_union=on,index_merge_intersection=on,index_merge_sort_intersection=off,engine_condition_pushdown=off,index_condition_pushdown=on,derived_merge=on,derived_with_keys=on,firstmatch=on,loosescan=on,materialization=on,in_to_exists=on,semijoin=on,partial_match_rowid_merge=on,partial_match_table_scan=on,subquery_cache=on,mrr=off,mrr_cost_based=off,mrr_sort_keys=off,outer_join_with_cache=on,semijoin_with_cache=on,join_cache_incremental=on,join_cache_hashed=on,join_cache_bka=on,optimize_join_buffer_size=on,table_elimination=on,extended_keys=on,exists_to_in=on,orderby_uses_equalities=on,condition_pushdown_for_derived=on,split_materialized=on,condition_pushdown_for_subquery=on,rowid_filter=on
GLOBAL_VALUE_ORIGIN COMPILE-TIME
DEFAULT_VALUE index_merge=on,index_merge_union=on,index_merge_sort_union=on,index_merge_intersection=on,index_merge_sort_intersection=off,engine_condition_pushdown=off,index_condition_pushdown=on,derived_merge=on,derived_with_keys=on,firstmatch=on,loosescan=on,materialization=on,in_to_exists=on,semijoin=on,partial_match_rowid_merge=on,partial_match_table_scan=on,subquery_cache=on,mrr=off,mrr_cost_based=off,mrr_sort_keys=off,outer_join_with_cache=on,semijoin_with_cache=on,join_cache_incremental=on,join_cache_hashed=on,join_cache_bka=on,optimize_join_buffer_size=off,table_elimination=on,extended_keys=on,exists_to_in=on,orderby_uses_equalities=on,condition_pushdown_for_derived=on,split_materialized=on,condition_pushdown_for_subquery=on,rowid_filter=on
DEFAULT_VALUE index_merge=on,index_merge_union=on,index_merge_sort_union=on,index_merge_intersection=on,index_merge_sort_intersection=off,engine_condition_pushdown=off,index_condition_pushdown=on,derived_merge=on,derived_with_keys=on,firstmatch=on,loosescan=on,materialization=on,in_to_exists=on,semijoin=on,partial_match_rowid_merge=on,partial_match_table_scan=on,subquery_cache=on,mrr=off,mrr_cost_based=off,mrr_sort_keys=off,outer_join_with_cache=on,semijoin_with_cache=on,join_cache_incremental=on,join_cache_hashed=on,join_cache_bka=on,optimize_join_buffer_size=on,table_elimination=on,extended_keys=on,exists_to_in=on,orderby_uses_equalities=on,condition_pushdown_for_derived=on,split_materialized=on,condition_pushdown_for_subquery=on,rowid_filter=on
VARIABLE_SCOPE SESSION
VARIABLE_TYPE FLAGSET
VARIABLE_COMMENT Fine-tune the optimizer behavior
......
......@@ -2967,10 +2967,10 @@ ENUM_VALUE_LIST NULL
READ_ONLY NO
COMMAND_LINE_ARGUMENT REQUIRED
VARIABLE_NAME OPTIMIZER_SWITCH
SESSION_VALUE index_merge=on,index_merge_union=on,index_merge_sort_union=on,index_merge_intersection=on,index_merge_sort_intersection=off,engine_condition_pushdown=off,index_condition_pushdown=on,derived_merge=on,derived_with_keys=on,firstmatch=on,loosescan=on,materialization=on,in_to_exists=on,semijoin=on,partial_match_rowid_merge=on,partial_match_table_scan=on,subquery_cache=on,mrr=off,mrr_cost_based=off,mrr_sort_keys=off,outer_join_with_cache=on,semijoin_with_cache=on,join_cache_incremental=on,join_cache_hashed=on,join_cache_bka=on,optimize_join_buffer_size=off,table_elimination=on,extended_keys=on,exists_to_in=on,orderby_uses_equalities=on,condition_pushdown_for_derived=on,split_materialized=on,condition_pushdown_for_subquery=on,rowid_filter=on
GLOBAL_VALUE index_merge=on,index_merge_union=on,index_merge_sort_union=on,index_merge_intersection=on,index_merge_sort_intersection=off,engine_condition_pushdown=off,index_condition_pushdown=on,derived_merge=on,derived_with_keys=on,firstmatch=on,loosescan=on,materialization=on,in_to_exists=on,semijoin=on,partial_match_rowid_merge=on,partial_match_table_scan=on,subquery_cache=on,mrr=off,mrr_cost_based=off,mrr_sort_keys=off,outer_join_with_cache=on,semijoin_with_cache=on,join_cache_incremental=on,join_cache_hashed=on,join_cache_bka=on,optimize_join_buffer_size=off,table_elimination=on,extended_keys=on,exists_to_in=on,orderby_uses_equalities=on,condition_pushdown_for_derived=on,split_materialized=on,condition_pushdown_for_subquery=on,rowid_filter=on
SESSION_VALUE index_merge=on,index_merge_union=on,index_merge_sort_union=on,index_merge_intersection=on,index_merge_sort_intersection=off,engine_condition_pushdown=off,index_condition_pushdown=on,derived_merge=on,derived_with_keys=on,firstmatch=on,loosescan=on,materialization=on,in_to_exists=on,semijoin=on,partial_match_rowid_merge=on,partial_match_table_scan=on,subquery_cache=on,mrr=off,mrr_cost_based=off,mrr_sort_keys=off,outer_join_with_cache=on,semijoin_with_cache=on,join_cache_incremental=on,join_cache_hashed=on,join_cache_bka=on,optimize_join_buffer_size=on,table_elimination=on,extended_keys=on,exists_to_in=on,orderby_uses_equalities=on,condition_pushdown_for_derived=on,split_materialized=on,condition_pushdown_for_subquery=on,rowid_filter=on
GLOBAL_VALUE index_merge=on,index_merge_union=on,index_merge_sort_union=on,index_merge_intersection=on,index_merge_sort_intersection=off,engine_condition_pushdown=off,index_condition_pushdown=on,derived_merge=on,derived_with_keys=on,firstmatch=on,loosescan=on,materialization=on,in_to_exists=on,semijoin=on,partial_match_rowid_merge=on,partial_match_table_scan=on,subquery_cache=on,mrr=off,mrr_cost_based=off,mrr_sort_keys=off,outer_join_with_cache=on,semijoin_with_cache=on,join_cache_incremental=on,join_cache_hashed=on,join_cache_bka=on,optimize_join_buffer_size=on,table_elimination=on,extended_keys=on,exists_to_in=on,orderby_uses_equalities=on,condition_pushdown_for_derived=on,split_materialized=on,condition_pushdown_for_subquery=on,rowid_filter=on
GLOBAL_VALUE_ORIGIN COMPILE-TIME
DEFAULT_VALUE index_merge=on,index_merge_union=on,index_merge_sort_union=on,index_merge_intersection=on,index_merge_sort_intersection=off,engine_condition_pushdown=off,index_condition_pushdown=on,derived_merge=on,derived_with_keys=on,firstmatch=on,loosescan=on,materialization=on,in_to_exists=on,semijoin=on,partial_match_rowid_merge=on,partial_match_table_scan=on,subquery_cache=on,mrr=off,mrr_cost_based=off,mrr_sort_keys=off,outer_join_with_cache=on,semijoin_with_cache=on,join_cache_incremental=on,join_cache_hashed=on,join_cache_bka=on,optimize_join_buffer_size=off,table_elimination=on,extended_keys=on,exists_to_in=on,orderby_uses_equalities=on,condition_pushdown_for_derived=on,split_materialized=on,condition_pushdown_for_subquery=on,rowid_filter=on
DEFAULT_VALUE index_merge=on,index_merge_union=on,index_merge_sort_union=on,index_merge_intersection=on,index_merge_sort_intersection=off,engine_condition_pushdown=off,index_condition_pushdown=on,derived_merge=on,derived_with_keys=on,firstmatch=on,loosescan=on,materialization=on,in_to_exists=on,semijoin=on,partial_match_rowid_merge=on,partial_match_table_scan=on,subquery_cache=on,mrr=off,mrr_cost_based=off,mrr_sort_keys=off,outer_join_with_cache=on,semijoin_with_cache=on,join_cache_incremental=on,join_cache_hashed=on,join_cache_bka=on,optimize_join_buffer_size=on,table_elimination=on,extended_keys=on,exists_to_in=on,orderby_uses_equalities=on,condition_pushdown_for_derived=on,split_materialized=on,condition_pushdown_for_subquery=on,rowid_filter=on
VARIABLE_SCOPE SESSION
VARIABLE_TYPE FLAGSET
VARIABLE_COMMENT Fine-tune the optimizer behavior
......
......@@ -263,7 +263,8 @@
OPTIMIZER_SWITCH_COND_PUSHDOWN_FOR_DERIVED | \
OPTIMIZER_SWITCH_SPLIT_MATERIALIZED | \
OPTIMIZER_SWITCH_COND_PUSHDOWN_FOR_SUBQUERY |\
OPTIMIZER_SWITCH_USE_ROWID_FILTER)
OPTIMIZER_SWITCH_USE_ROWID_FILTER |\
OPTIMIZER_SWITCH_OPTIMIZE_JOIN_BUFFER_SIZE)
/*
Replication uses 8 bytes to store SQL_MODE in the binary log. The day you
......
drop table if exists t;
select @@optimizer_switch;
@@optimizer_switch
index_merge=on,index_merge_union=on,index_merge_sort_union=on,index_merge_intersection=on,index_merge_sort_intersection=off,engine_condition_pushdown=off,index_condition_pushdown=on,derived_merge=on,derived_with_keys=on,firstmatch=on,loosescan=on,materialization=on,in_to_exists=on,semijoin=on,partial_match_rowid_merge=on,partial_match_table_scan=on,subquery_cache=on,mrr=off,mrr_cost_based=off,mrr_sort_keys=off,outer_join_with_cache=on,semijoin_with_cache=on,join_cache_incremental=on,join_cache_hashed=on,join_cache_bka=on,optimize_join_buffer_size=off,table_elimination=on,extended_keys=on,exists_to_in=on,orderby_uses_equalities=on,condition_pushdown_for_derived=on,split_materialized=on,condition_pushdown_for_subquery=on,rowid_filter=on
index_merge=on,index_merge_union=on,index_merge_sort_union=on,index_merge_intersection=on,index_merge_sort_intersection=off,engine_condition_pushdown=off,index_condition_pushdown=on,derived_merge=on,derived_with_keys=on,firstmatch=on,loosescan=on,materialization=on,in_to_exists=on,semijoin=on,partial_match_rowid_merge=on,partial_match_table_scan=on,subquery_cache=on,mrr=off,mrr_cost_based=off,mrr_sort_keys=off,outer_join_with_cache=on,semijoin_with_cache=on,join_cache_incremental=on,join_cache_hashed=on,join_cache_bka=on,optimize_join_buffer_size=on,table_elimination=on,extended_keys=on,exists_to_in=on,orderby_uses_equalities=on,condition_pushdown_for_derived=on,split_materialized=on,condition_pushdown_for_subquery=on,rowid_filter=on
create table t (id int not null, x int not null, y int not null, primary key(id), key(x)) engine=innodb;
insert into t values (0,0,0),(1,1,1),(2,2,2),(3,2,3),(4,2,4);
explain select x,id from t force index (x) where x=0 and id=0;
......
drop table if exists t;
select @@optimizer_switch;
@@optimizer_switch
index_merge=on,index_merge_union=on,index_merge_sort_union=on,index_merge_intersection=on,index_merge_sort_intersection=off,engine_condition_pushdown=off,index_condition_pushdown=on,derived_merge=on,derived_with_keys=on,firstmatch=on,loosescan=on,materialization=on,in_to_exists=on,semijoin=on,partial_match_rowid_merge=on,partial_match_table_scan=on,subquery_cache=on,mrr=off,mrr_cost_based=off,mrr_sort_keys=off,outer_join_with_cache=on,semijoin_with_cache=on,join_cache_incremental=on,join_cache_hashed=on,join_cache_bka=on,optimize_join_buffer_size=off,table_elimination=on,extended_keys=on,exists_to_in=on,orderby_uses_equalities=on,condition_pushdown_for_derived=on,split_materialized=on,condition_pushdown_for_subquery=on,rowid_filter=on
index_merge=on,index_merge_union=on,index_merge_sort_union=on,index_merge_intersection=on,index_merge_sort_intersection=off,engine_condition_pushdown=off,index_condition_pushdown=on,derived_merge=on,derived_with_keys=on,firstmatch=on,loosescan=on,materialization=on,in_to_exists=on,semijoin=on,partial_match_rowid_merge=on,partial_match_table_scan=on,subquery_cache=on,mrr=off,mrr_cost_based=off,mrr_sort_keys=off,outer_join_with_cache=on,semijoin_with_cache=on,join_cache_incremental=on,join_cache_hashed=on,join_cache_bka=on,optimize_join_buffer_size=on,table_elimination=on,extended_keys=on,exists_to_in=on,orderby_uses_equalities=on,condition_pushdown_for_derived=on,split_materialized=on,condition_pushdown_for_subquery=on,rowid_filter=on
create table t (id int not null, x int not null, y int not null, primary key(id), key(x)) engine=tokudb;
insert into t values (0,0,0),(1,1,1),(2,2,2),(3,2,3),(4,2,4);
explain select x,id from t force index (x) where x=0 and id=0;
......
drop table if exists t;
select @@optimizer_switch;
@@optimizer_switch
index_merge=on,index_merge_union=on,index_merge_sort_union=on,index_merge_intersection=on,index_merge_sort_intersection=off,engine_condition_pushdown=off,index_condition_pushdown=on,derived_merge=on,derived_with_keys=on,firstmatch=on,loosescan=on,materialization=on,in_to_exists=on,semijoin=on,partial_match_rowid_merge=on,partial_match_table_scan=on,subquery_cache=on,mrr=off,mrr_cost_based=off,mrr_sort_keys=off,outer_join_with_cache=on,semijoin_with_cache=on,join_cache_incremental=on,join_cache_hashed=on,join_cache_bka=on,optimize_join_buffer_size=off,table_elimination=on,extended_keys=on,exists_to_in=on,orderby_uses_equalities=on,condition_pushdown_for_derived=on,split_materialized=on,condition_pushdown_for_subquery=on,rowid_filter=on
index_merge=on,index_merge_union=on,index_merge_sort_union=on,index_merge_intersection=on,index_merge_sort_intersection=off,engine_condition_pushdown=off,index_condition_pushdown=on,derived_merge=on,derived_with_keys=on,firstmatch=on,loosescan=on,materialization=on,in_to_exists=on,semijoin=on,partial_match_rowid_merge=on,partial_match_table_scan=on,subquery_cache=on,mrr=off,mrr_cost_based=off,mrr_sort_keys=off,outer_join_with_cache=on,semijoin_with_cache=on,join_cache_incremental=on,join_cache_hashed=on,join_cache_bka=on,optimize_join_buffer_size=on,table_elimination=on,extended_keys=on,exists_to_in=on,orderby_uses_equalities=on,condition_pushdown_for_derived=on,split_materialized=on,condition_pushdown_for_subquery=on,rowid_filter=on
create table t (a int not null, b int not null, c int not null, d int not null, primary key(a,b), key(c,a)) engine=innodb;
insert into t values (0,0,0,0),(0,1,0,1);
explain select c,a,b from t where c=0 and a=0 and b=1;
......
drop table if exists t;
select @@optimizer_switch;
@@optimizer_switch
index_merge=on,index_merge_union=on,index_merge_sort_union=on,index_merge_intersection=on,index_merge_sort_intersection=off,engine_condition_pushdown=off,index_condition_pushdown=on,derived_merge=on,derived_with_keys=on,firstmatch=on,loosescan=on,materialization=on,in_to_exists=on,semijoin=on,partial_match_rowid_merge=on,partial_match_table_scan=on,subquery_cache=on,mrr=off,mrr_cost_based=off,mrr_sort_keys=off,outer_join_with_cache=on,semijoin_with_cache=on,join_cache_incremental=on,join_cache_hashed=on,join_cache_bka=on,optimize_join_buffer_size=off,table_elimination=on,extended_keys=on,exists_to_in=on,orderby_uses_equalities=on,condition_pushdown_for_derived=on,split_materialized=on,condition_pushdown_for_subquery=on,rowid_filter=on
index_merge=on,index_merge_union=on,index_merge_sort_union=on,index_merge_intersection=on,index_merge_sort_intersection=off,engine_condition_pushdown=off,index_condition_pushdown=on,derived_merge=on,derived_with_keys=on,firstmatch=on,loosescan=on,materialization=on,in_to_exists=on,semijoin=on,partial_match_rowid_merge=on,partial_match_table_scan=on,subquery_cache=on,mrr=off,mrr_cost_based=off,mrr_sort_keys=off,outer_join_with_cache=on,semijoin_with_cache=on,join_cache_incremental=on,join_cache_hashed=on,join_cache_bka=on,optimize_join_buffer_size=on,table_elimination=on,extended_keys=on,exists_to_in=on,orderby_uses_equalities=on,condition_pushdown_for_derived=on,split_materialized=on,condition_pushdown_for_subquery=on,rowid_filter=on
create table t (a int not null, b int not null, c int not null, d int not null, primary key(a,b), key(c,a)) engine=tokudb;
insert into t values (0,0,0,0),(0,1,0,1);
explain select c,a,b from t where c=0 and a=0 and b=1;
......
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