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Commit 78dd2652 authored by Mattias Jonsson's avatar Mattias Jonsson
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Bug#48229: group by performance issue of partitioned table 

Additional result file update
parent e46d120e
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mysql-test/r/partition_pruning.result
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...@@ -270,7 +270,7 @@ a ...@@ -270,7 +270,7 @@ a
8 8
EXPLAIN PARTITIONS SELECT * FROM t1 WHERE a >= 7; EXPLAIN PARTITIONS SELECT * FROM t1 WHERE a >= 7;
id select_type table partitions type possible_keys key key_len ref rows Extra id select_type table partitions type possible_keys key key_len ref rows Extra
1 SIMPLE t1 max range PRIMARY PRIMARY 4 NULL 2 Using where; Using index 1 SIMPLE t1 max index PRIMARY PRIMARY 4 NULL 10 Using where; Using index
SELECT * FROM t1 WHERE a > 1; SELECT * FROM t1 WHERE a > 1;
a a
2 2
...@@ -327,13 +327,13 @@ a ...@@ -327,13 +327,13 @@ a
8 8
EXPLAIN PARTITIONS SELECT * FROM t1 WHERE a > 6; EXPLAIN PARTITIONS SELECT * FROM t1 WHERE a > 6;
id select_type table partitions type possible_keys key key_len ref rows Extra id select_type table partitions type possible_keys key key_len ref rows Extra
1 SIMPLE t1 max range PRIMARY PRIMARY 4 NULL 2 Using where; Using index 1 SIMPLE t1 max index PRIMARY PRIMARY 4 NULL 10 Using where; Using index
SELECT * FROM t1 WHERE a > 7; SELECT * FROM t1 WHERE a > 7;
a a
8 8
EXPLAIN PARTITIONS SELECT * FROM t1 WHERE a > 7; EXPLAIN PARTITIONS SELECT * FROM t1 WHERE a > 7;
id select_type table partitions type possible_keys key key_len ref rows Extra id select_type table partitions type possible_keys key key_len ref rows Extra
1 SIMPLE t1 max range PRIMARY PRIMARY 4 NULL 2 Using where; Using index 1 SIMPLE t1 max index PRIMARY PRIMARY 4 NULL 10 Using where; Using index
DROP TABLE t1; DROP TABLE t1;
CREATE TABLE t1 (a INT PRIMARY KEY) CREATE TABLE t1 (a INT PRIMARY KEY)
PARTITION BY RANGE (a) ( PARTITION BY RANGE (a) (
...@@ -556,7 +556,7 @@ a ...@@ -556,7 +556,7 @@ a
7 7
EXPLAIN PARTITIONS SELECT * FROM t1 WHERE a >= 6; EXPLAIN PARTITIONS SELECT * FROM t1 WHERE a >= 6;
id select_type table partitions type possible_keys key key_len ref rows Extra id select_type table partitions type possible_keys key key_len ref rows Extra
1 SIMPLE t1 max range PRIMARY PRIMARY 4 NULL 2 Using where; Using index 1 SIMPLE t1 max index PRIMARY PRIMARY 4 NULL 9 Using where; Using index
SELECT * FROM t1 WHERE a > 1; SELECT * FROM t1 WHERE a > 1;
a a
2 2
...@@ -601,13 +601,13 @@ a ...@@ -601,13 +601,13 @@ a
7 7
EXPLAIN PARTITIONS SELECT * FROM t1 WHERE a > 5; EXPLAIN PARTITIONS SELECT * FROM t1 WHERE a > 5;
id select_type table partitions type possible_keys key key_len ref rows Extra id select_type table partitions type possible_keys key key_len ref rows Extra
1 SIMPLE t1 max range PRIMARY PRIMARY 4 NULL 2 Using where; Using index 1 SIMPLE t1 max index PRIMARY PRIMARY 4 NULL 9 Using where; Using index
SELECT * FROM t1 WHERE a > 6; SELECT * FROM t1 WHERE a > 6;
a a
7 7
EXPLAIN PARTITIONS SELECT * FROM t1 WHERE a > 6; EXPLAIN PARTITIONS SELECT * FROM t1 WHERE a > 6;
id select_type table partitions type possible_keys key key_len ref rows Extra id select_type table partitions type possible_keys key key_len ref rows Extra
1 SIMPLE t1 max range PRIMARY PRIMARY 4 NULL 2 Using where; Using index 1 SIMPLE t1 max index PRIMARY PRIMARY 4 NULL 9 Using where; Using index
DROP TABLE t1; DROP TABLE t1;
# test of RANGE and index # test of RANGE and index
CREATE TABLE t1 (a DATE, KEY(a)) CREATE TABLE t1 (a DATE, KEY(a))
...@@ -757,10 +757,10 @@ id select_type table partitions type possible_keys key key_len ref rows Extra ...@@ -757,10 +757,10 @@ id select_type table partitions type possible_keys key key_len ref rows Extra
1 SIMPLE t1 pNULL,p0001-01-01,p1001-01-01,p2001-01-01 range a a 4 NULL 5 Using where; Using index 1 SIMPLE t1 pNULL,p0001-01-01,p1001-01-01,p2001-01-01 range a a 4 NULL 5 Using where; Using index
EXPLAIN PARTITIONS SELECT * FROM t1 WHERE a >= '1999-02-31'; EXPLAIN PARTITIONS SELECT * FROM t1 WHERE a >= '1999-02-31';
id select_type table partitions type possible_keys key key_len ref rows Extra id select_type table partitions type possible_keys key key_len ref rows Extra
1 SIMPLE t1 pNULL,p2001-01-01 range a a 4 NULL 2 Using where; Using index 1 SIMPLE t1 pNULL,p2001-01-01 index a a 4 NULL 7 Using where; Using index
EXPLAIN PARTITIONS SELECT * FROM t1 WHERE a > '1999-02-31'; EXPLAIN PARTITIONS SELECT * FROM t1 WHERE a > '1999-02-31';
id select_type table partitions type possible_keys key key_len ref rows Extra id select_type table partitions type possible_keys key key_len ref rows Extra
1 SIMPLE t1 pNULL,p2001-01-01 range a a 4 NULL 2 Using where; Using index 1 SIMPLE t1 pNULL,p2001-01-01 index a a 4 NULL 7 Using where; Using index
EXPLAIN PARTITIONS SELECT * FROM t1 WHERE a = '1999-02-31'; EXPLAIN PARTITIONS SELECT * FROM t1 WHERE a = '1999-02-31';
id select_type table partitions type possible_keys key key_len ref rows Extra id select_type table partitions type possible_keys key key_len ref rows Extra
1 SIMPLE t1 pNULL ref a a 4 const 1 Using where; Using index 1 SIMPLE t1 pNULL ref a a 4 const 1 Using where; Using index
...@@ -1086,10 +1086,10 @@ id select_type table partitions type possible_keys key key_len ref rows Extra ...@@ -1086,10 +1086,10 @@ id select_type table partitions type possible_keys key key_len ref rows Extra
1 SIMPLE t1 p0001-01-01,pNULL,p0000-01-02,p1001-01-01 range a a 4 NULL 5 Using where; Using index 1 SIMPLE t1 p0001-01-01,pNULL,p0000-01-02,p1001-01-01 range a a 4 NULL 5 Using where; Using index
EXPLAIN PARTITIONS SELECT * FROM t1 WHERE a >= '1999-02-31'; EXPLAIN PARTITIONS SELECT * FROM t1 WHERE a >= '1999-02-31';
id select_type table partitions type possible_keys key key_len ref rows Extra id select_type table partitions type possible_keys key key_len ref rows Extra
1 SIMPLE t1 p2001-01-01,pNULL range a a 4 NULL 2 Using where; Using index 1 SIMPLE t1 p2001-01-01,pNULL index a a 4 NULL 7 Using where; Using index
EXPLAIN PARTITIONS SELECT * FROM t1 WHERE a > '1999-02-31'; EXPLAIN PARTITIONS SELECT * FROM t1 WHERE a > '1999-02-31';
id select_type table partitions type possible_keys key key_len ref rows Extra id select_type table partitions type possible_keys key key_len ref rows Extra
1 SIMPLE t1 p2001-01-01,pNULL range a a 4 NULL 2 Using where; Using index 1 SIMPLE t1 p2001-01-01,pNULL index a a 4 NULL 7 Using where; Using index
EXPLAIN PARTITIONS SELECT * FROM t1 WHERE a = '1999-02-31'; EXPLAIN PARTITIONS SELECT * FROM t1 WHERE a = '1999-02-31';
id select_type table partitions type possible_keys key key_len ref rows Extra id select_type table partitions type possible_keys key key_len ref rows Extra
1 SIMPLE t1 pNULL ref a a 4 const 1 Using where; Using index 1 SIMPLE t1 pNULL ref a a 4 const 1 Using where; Using index
...@@ -1101,7 +1101,7 @@ id select_type table partitions type possible_keys key key_len ref rows Extra ...@@ -1101,7 +1101,7 @@ id select_type table partitions type possible_keys key key_len ref rows Extra
1 SIMPLE t1 p0001-01-01,pNULL,p0000-01-02,p1001-01-01 range a a 4 NULL 4 Using where; Using index 1 SIMPLE t1 p0001-01-01,pNULL,p0000-01-02,p1001-01-01 range a a 4 NULL 4 Using where; Using index
EXPLAIN PARTITIONS SELECT * FROM t1 WHERE a BETWEEN '0001-01-02' AND '1002-00-00'; EXPLAIN PARTITIONS SELECT * FROM t1 WHERE a BETWEEN '0001-01-02' AND '1002-00-00';
id select_type table partitions type possible_keys key key_len ref rows Extra id select_type table partitions type possible_keys key key_len ref rows Extra
1 SIMPLE t1 pNULL,p1001-01-01 range a a 4 NULL 2 Using where; Using index 1 SIMPLE t1 pNULL,p1001-01-01 index a a 4 NULL 7 Using where; Using index
EXPLAIN PARTITIONS SELECT * FROM t1 WHERE a BETWEEN '0001-01-01' AND '1001-01-01'; EXPLAIN PARTITIONS SELECT * FROM t1 WHERE a BETWEEN '0001-01-01' AND '1001-01-01';
id select_type table partitions type possible_keys key key_len ref rows Extra id select_type table partitions type possible_keys key key_len ref rows Extra
1 SIMPLE t1 p0001-01-01,pNULL,p1001-01-01 range a a 4 NULL 3 Using where; Using index 1 SIMPLE t1 p0001-01-01,pNULL,p1001-01-01 range a a 4 NULL 3 Using where; Using index
......
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