mirror of
https://github.com/MariaDB/server.git
synced 2026-04-17 13:55:32 +02:00
MDEV-17903: New optimizer defaults: change optimize_join_buffer_size to be ON
optimize_join_buffer_size is switched ON.
This commit is contained in:
parent
f2f0c20044
commit
d6db6df995
19 changed files with 138 additions and 123 deletions
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@ -143,7 +143,7 @@ ANALYZE
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"attached_condition": "tbl2.b < 60"
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},
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"buffer_type": "flat",
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"buffer_size": "256Kb",
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"buffer_size": "1Kb",
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"join_type": "BNL",
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"r_filtered": 100
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}
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@ -181,7 +181,7 @@ ANALYZE
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"attached_condition": "tbl2.b < 60"
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},
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"buffer_type": "flat",
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"buffer_size": "256Kb",
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"buffer_size": "1Kb",
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"join_type": "BNL",
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"attached_condition": "tbl1.c > tbl2.c",
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"r_filtered": 15.833
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@ -625,7 +625,7 @@ ANALYZE
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"attached_condition": "<in_optimizer>(t2.b,t2.b in (subquery#2))"
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},
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"buffer_type": "flat",
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"buffer_size": "256Kb",
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"buffer_size": "65",
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"join_type": "BNL",
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"attached_condition": "<in_optimizer>(t2.b,t2.b in (subquery#2))",
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"r_filtered": null
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@ -711,7 +711,7 @@ ANALYZE
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"attached_condition": "t3.f3 in (1,2)"
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},
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"buffer_type": "flat",
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"buffer_size": "256Kb",
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"buffer_size": "1",
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"join_type": "BNL",
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"r_filtered": null
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},
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@ -742,7 +742,7 @@ ANALYZE
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"r_filtered": null
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},
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"buffer_type": "flat",
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"buffer_size": "256Kb",
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"buffer_size": "65",
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"join_type": "BNL",
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"attached_condition": "t2.f2 = t3.f3",
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"r_filtered": null
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@ -426,7 +426,7 @@ ANALYZE
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"r_filtered": 100
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},
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"buffer_type": "flat",
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"buffer_size": "256Kb",
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"buffer_size": "65",
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"join_type": "BNL",
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"attached_condition": "t3.a = t0.a",
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"r_filtered": 10
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@ -497,7 +497,7 @@ ANALYZE
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"r_filtered": 100
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},
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"buffer_type": "flat",
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"buffer_size": "256Kb",
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"buffer_size": "119",
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"join_type": "BNL",
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"attached_condition": "t5.a = t6.a",
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"r_filtered": 21.429
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@ -537,7 +537,7 @@ EXPLAIN
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"filtered": 100
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},
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"buffer_type": "flat",
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"buffer_size": "256Kb",
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"buffer_size": "119",
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"join_type": "BNL",
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"attached_condition": "t5.a = t6.a"
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}
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@ -1409,7 +1409,7 @@ EXPLAIN
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"filtered": 100
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},
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"buffer_type": "flat",
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"buffer_size": "256Kb",
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"buffer_size": "686",
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"join_type": "BNL",
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"attached_condition": "prev_gen.father = folks.`id` or prev_gen.mother = folks.`id`"
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}
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@ -1636,15 +1636,15 @@ i div 4 - (i % 4) = ps.i div 4 - (ps.i % 4)
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)
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SELECT regexp_replace(board,concat('(',REPEAT('.', 4),')'),'\\1\n') n_queens FROM solutions WHERE n_queens = 4;
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n_queens
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-*--
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---*
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*---
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--*-
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*---
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---*
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-*--
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--*-
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*---
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---*
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-*--
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---*
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*---
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--*-
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#
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# MDEV-10883: execution of prepared statement from SELECT
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@ -136,7 +136,7 @@ EXPLAIN
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"attached_condition": "v1.max_c > 214"
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},
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"buffer_type": "flat",
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"buffer_size": "256Kb",
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"buffer_size": "238",
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"join_type": "BNL",
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"attached_condition": "t2.a > v1.a",
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"materialized": {
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@ -291,7 +291,7 @@ EXPLAIN
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"attached_condition": "v1.max_c > 400 or v1.max_c < 135"
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},
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"buffer_type": "flat",
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"buffer_size": "256Kb",
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"buffer_size": "238",
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"join_type": "BNL",
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"attached_condition": "v1.max_c > 400 and t2.a > v1.a or v1.max_c < 135 and t2.a < v1.a",
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"materialized": {
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@ -359,7 +359,7 @@ EXPLAIN
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"attached_condition": "v1.max_c > 300 or v1.max_c < 135"
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},
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"buffer_type": "flat",
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"buffer_size": "256Kb",
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"buffer_size": "238",
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"join_type": "BNL",
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"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",
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"materialized": {
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@ -416,7 +416,7 @@ EXPLAIN
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"attached_condition": "v1.a > 6"
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},
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"buffer_type": "flat",
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"buffer_size": "256Kb",
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"buffer_size": "238",
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"join_type": "BNL",
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"attached_condition": "t2.b > v1.b",
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"materialized": {
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@ -483,7 +483,7 @@ EXPLAIN
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"attached_condition": "v2.b > 25"
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},
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"buffer_type": "flat",
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"buffer_size": "256Kb",
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"buffer_size": "238",
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"join_type": "BNL",
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"attached_condition": "t2.a < v2.a",
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"materialized": {
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@ -571,7 +571,7 @@ EXPLAIN
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"attached_condition": "v1.a > 7 or v1.a < 2"
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},
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"buffer_type": "flat",
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"buffer_size": "256Kb",
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"buffer_size": "238",
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"join_type": "BNL",
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"attached_condition": "v1.a > 7 and t2.c < v1.max_c or v1.a < 2 and t2.b < v1.b",
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"materialized": {
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@ -652,7 +652,7 @@ EXPLAIN
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"attached_condition": "v2.a > 7 or v2.a > 5"
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},
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"buffer_type": "flat",
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"buffer_size": "256Kb",
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"buffer_size": "238",
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"join_type": "BNL",
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"attached_condition": "v2.a > 7 and t2.c < v2.max_c or v2.a > 5 and t2.b < v2.b",
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"materialized": {
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@ -719,7 +719,7 @@ EXPLAIN
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"attached_condition": "v1.a > 4 or v1.a < 2"
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},
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"buffer_type": "flat",
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"buffer_size": "256Kb",
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"buffer_size": "238",
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"join_type": "BNL",
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"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",
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"materialized": {
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@ -779,7 +779,7 @@ EXPLAIN
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"attached_condition": "v1.a < 2 and v1.max_c > 400"
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},
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"buffer_type": "flat",
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"buffer_size": "256Kb",
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"buffer_size": "238",
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"join_type": "BNL",
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"attached_condition": "t2.b > v1.b",
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"materialized": {
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@ -991,7 +991,7 @@ EXPLAIN
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"attached_condition": "v1.a > 7 and v1.max_c > 300 or v1.a < 4 and v1.max_c < 500"
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},
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"buffer_type": "flat",
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"buffer_size": "256Kb",
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"buffer_size": "238",
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"join_type": "BNL",
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"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",
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"materialized": {
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@ -1080,7 +1080,7 @@ EXPLAIN
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"attached_condition": "v1.a < 2 and v1.max_c > 120 or v1.a > 7"
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},
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"buffer_type": "flat",
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"buffer_size": "256Kb",
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"buffer_size": "238",
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"join_type": "BNL",
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"attached_condition": "v1.a < 2 and v1.max_c > 120 or v1.a > 7",
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"materialized": {
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@ -1158,7 +1158,7 @@ EXPLAIN
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"attached_condition": "v1.a < 2 and v1.max_c > 120 or v1.a > 7"
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},
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"buffer_type": "flat",
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"buffer_size": "256Kb",
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"buffer_size": "238",
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"join_type": "BNL",
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"attached_condition": "v1.b = t2.b and v1.a < 2 and v1.max_c > 120 or v1.a > 7",
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"materialized": {
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@ -1225,7 +1225,7 @@ EXPLAIN
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"attached_condition": "v1.a < 2 and v1.max_c < 200 or v1.a > 4"
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},
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"buffer_type": "flat",
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"buffer_size": "256Kb",
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"buffer_size": "238",
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"join_type": "BNL",
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"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",
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"materialized": {
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@ -1302,7 +1302,7 @@ EXPLAIN
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"attached_condition": "v1.max_c > 400 or v1.max_c < 135"
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},
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"buffer_type": "flat",
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"buffer_size": "256Kb",
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"buffer_size": "238",
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"join_type": "BNL",
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"attached_condition": "v1.max_c > 400 and t2.a > v1.a or v1.max_c < 135 and t2.a < v1.a",
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"materialized": {
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@ -1345,7 +1345,7 @@ EXPLAIN
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"attached_condition": "v1.max_c > 400 or v1.max_c < 135"
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},
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"buffer_type": "flat",
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"buffer_size": "256Kb",
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"buffer_size": "238",
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"join_type": "BNL",
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"attached_condition": "v1.max_c > 400 and t2.a > v1.a or v1.max_c < 135 and t2.a < v1.a",
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"materialized": {
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@ -1684,7 +1684,7 @@ EXPLAIN
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"attached_condition": "v1.a = 3 and v1.b = 3"
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},
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"buffer_type": "flat",
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"buffer_size": "256Kb",
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"buffer_size": "238",
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"join_type": "BNL",
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"materialized": {
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"query_block": {
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@ -1734,7 +1734,7 @@ EXPLAIN
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"attached_condition": "v1.a = 1 and v1.b = 21"
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},
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"buffer_type": "flat",
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"buffer_size": "256Kb",
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"buffer_size": "238",
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"join_type": "BNL",
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"materialized": {
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"query_block": {
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@ -1807,7 +1807,7 @@ EXPLAIN
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"filtered": 100
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},
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"buffer_type": "flat",
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"buffer_size": "256Kb",
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"buffer_size": "220",
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"join_type": "BNL",
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"attached_condition": "t.b = v.b or v.max_c > 20"
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}
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@ -1931,7 +1931,7 @@ EXPLAIN
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"filtered": 100
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},
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"buffer_type": "flat",
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"buffer_size": "256Kb",
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"buffer_size": "238",
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"join_type": "BNL",
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"attached_condition": "v1.a = t2.a and t2.a < 4 or v1.max_c = t2.c and t2.c > 150",
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"materialized": {
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@ -2061,7 +2061,7 @@ EXPLAIN
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"attached_condition": "v1.a = 8 and v1.max_c = 404"
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},
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"buffer_type": "flat",
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"buffer_size": "256Kb",
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"buffer_size": "238",
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"join_type": "BNL",
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"materialized": {
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"query_block": {
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@ -2359,7 +2359,7 @@ EXPLAIN
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"filtered": 100
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},
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"buffer_type": "flat",
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"buffer_size": "256Kb",
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"buffer_size": "162",
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"join_type": "BNL"
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}
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}
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@ -2471,7 +2471,7 @@ EXPLAIN
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"filtered": 100
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},
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"buffer_type": "flat",
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"buffer_size": "256Kb",
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"buffer_size": "238",
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"join_type": "BNL",
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"materialized": {
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"query_block": {
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@ -2598,7 +2598,7 @@ EXPLAIN
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"filtered": 100
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},
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"buffer_type": "flat",
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"buffer_size": "256Kb",
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"buffer_size": "238",
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"join_type": "BNL",
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"attached_condition": "v1.a = t2.a or v1.b = t2.b and (v1.a = 1 or v1.a = 6)",
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"materialized": {
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@ -2693,7 +2693,7 @@ EXPLAIN
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"filtered": 100
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},
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"buffer_type": "flat",
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"buffer_size": "256Kb",
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"buffer_size": "238",
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"join_type": "BNL",
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"attached_condition": "v1.a = 1 or v1.b = 21 or t2.a = 2",
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"materialized": {
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@ -2761,7 +2761,7 @@ EXPLAIN
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"filtered": 100
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},
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"buffer_type": "flat",
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"buffer_size": "256Kb",
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"buffer_size": "238",
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"join_type": "BNL",
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"attached_condition": "v1.a < t2.a or t2.a < 11",
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"materialized": {
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@ -2943,7 +2943,7 @@ EXPLAIN
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"filtered": 100
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},
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"buffer_type": "flat",
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"buffer_size": "256Kb",
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"buffer_size": "238",
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"join_type": "BNL",
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"attached_condition": "v1.b is not null",
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"materialized": {
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@ -3038,7 +3038,7 @@ EXPLAIN
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"filtered": 100
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},
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"buffer_type": "flat",
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"buffer_size": "256Kb",
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"buffer_size": "238",
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"join_type": "BNL",
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"attached_condition": "v1.a = t2.a or t2.c < 115",
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"materialized": {
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@ -3067,7 +3067,7 @@ EXPLAIN
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"filtered": 100
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},
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"buffer_type": "incremental",
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"buffer_size": "256Kb",
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"buffer_size": "4Kb",
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"join_type": "BNL",
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"attached_condition": "v1.a = t2.a and v2.a = t2.a or v2.b > 13 and t2.c < 115",
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"materialized": {
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@ -3138,7 +3138,7 @@ EXPLAIN
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"attached_condition": "v1.max_c < 300"
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},
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"buffer_type": "flat",
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"buffer_size": "256Kb",
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"buffer_size": "238",
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"join_type": "BNL",
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"materialized": {
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"query_block": {
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@ -3167,7 +3167,7 @@ EXPLAIN
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"attached_condition": "v2.b < 50 or v2.b = 19"
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},
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"buffer_type": "incremental",
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"buffer_size": "256Kb",
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"buffer_size": "4Kb",
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"join_type": "BNL",
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"attached_condition": "(v2.a = v1.a or v1.a = t2.a) and (v2.b < 50 or v2.b = 19)",
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"materialized": {
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@ -3317,7 +3317,7 @@ EXPLAIN
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"attached_condition": "v1.a = 1 and v1.b > 10"
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},
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"buffer_type": "flat",
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"buffer_size": "256Kb",
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"buffer_size": "238",
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"join_type": "BNL",
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"attached_condition": "v1.b is not null",
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"materialized": {
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@ -3435,7 +3435,7 @@ EXPLAIN
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"attached_condition": "t.a = 'b'"
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},
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"buffer_type": "flat",
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"buffer_size": "256Kb",
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"buffer_size": "220",
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"join_type": "BNL"
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}
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}
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@ -3544,7 +3544,7 @@ EXPLAIN
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"attached_condition": "v2.max_c > 300"
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},
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"buffer_type": "flat",
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"buffer_size": "256Kb",
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"buffer_size": "715",
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||||
"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
|
||||
}
|
||||
|
|
|
|||
13
mysql-test/main/myisam_mrr,64bit.rdiff
Normal file
13
mysql-test/main/myisam_mrr,64bit.rdiff
Normal file
|
|
@ -0,0 +1,13 @@
|
|||
--- 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
|
||||
|
|
|
|||
|
|
@ -1,25 +1,25 @@
|
|||
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
|
||||
|
|
|
|||
|
|
@ -1,7 +1,7 @@
|
|||
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;
|
||||
|
|
|
|||
|
|
@ -1,7 +1,7 @@
|
|||
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;
|
||||
|
|
|
|||
|
|
@ -1,7 +1,7 @@
|
|||
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;
|
||||
|
|
|
|||
|
|
@ -1,7 +1,7 @@
|
|||
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;
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue