diff options
Diffstat (limited to 'mysql-test/t/partition_pruning.test')
| -rw-r--r-- | mysql-test/t/partition_pruning.test | 99 |
1 files changed, 78 insertions, 21 deletions
diff --git a/mysql-test/t/partition_pruning.test b/mysql-test/t/partition_pruning.test index a60846f18ff..31008d2b011 100644 --- a/mysql-test/t/partition_pruning.test +++ b/mysql-test/t/partition_pruning.test @@ -538,18 +538,17 @@ select * from t1 where f_int1 between 5 and 15 order by f_int1; drop table t1; # part2: bug in pruning code -create table t1 (a char(10) binary) -partition by list(length(a)) - (partition p1 values in (1), - partition p2 values in (2), - partition p3 values in (3), - partition p4 values in (4), - partition p5 values in (5) -); -insert into t1 values ('a'),('bb'),('ccc'),('dddd'),('eeEee'); -select * from t1 where a>='a' and a <= 'dddd'; -explain partitions select * from t1 where a>='a' and a <= 'dddd'; -drop table t1; +#create table t1 (a char(10) binary) +#partition by list(ascii(a)) +# (partition p1 values in (ascii('a')), +# partition p2 values in (ascii('b')), +# partition p3 values in (ascii('c')), +# partition p4 values in (ascii('d')), +# partition p5 values in (ascii('e'))); +#insert into t1 values ('a'),('bb'),('ccc'),('dddd'),('eeEee'); +#select * from t1 where a>='a' and a <= 'dddd'; +#explain partitions select * from t1 where a>='a' and a <= 'dddd'; +#drop table t1; # BUG#18659: Assertion failure when subpartitioning is used and partition is # "IS NULL" @@ -692,20 +691,47 @@ explain partitions select * from t1 where a = 18446744073709551000; explain partitions select * from t1 where a = 18446744073709551613; explain partitions select * from t1 where a = 18446744073709551614; drop table t1; - -create table t1 (a int) - partition by range((a & 0xFF) << 56) ( - partition p0 values less than (0x40 << 56), - partition p1 values less than (0x80 << 56), - partition p2 values less than (0xFF << 56) +# +# Test all variants of usage for interval_via_mapping +# and interval_via_walking +# +# t1 will use interval_via_mapping since it uses a +# monotonic function, whereas t2 will use +# interval_via_walking since the intervals are short +# and the function isn't monotonic (it is, but it isn't +# discovered in this version). +# + create table t1 (a int) + partition by range(a) ( + partition p0 values less than (64), + partition p1 values less than (128), + partition p2 values less than (255) ); -insert into t1 values (0x20), (0x20), (0x41), (0x41), (0xFE), (0xFE); +create table t2 (a int) + partition by range(a+0) ( + partition p0 values less than (64), + partition p1 values less than (128), + partition p2 values less than (255) +); + +insert into t1 values (0x20), (0x20), (0x41), (0x41), (0xFE), (0xFE); +insert into t2 values (0x20), (0x20), (0x41), (0x41), (0xFE), (0xFE); explain partitions select * from t1 where a=0; +explain partitions select * from t2 where a=0; explain partitions select * from t1 where a=0xFE; -explain partitions select * from t1 where a>0xFE and a<= 0xFF; +explain partitions select * from t2 where a=0xFE; +explain partitions select * from t1 where a > 0xFE AND a <= 0xFF; +explain partitions select * from t2 where a > 0xFE AND a <= 0xFF; +explain partitions select * from t1 where a >= 0xFE AND a <= 0xFF; +explain partitions select * from t2 where a >= 0xFE AND a <= 0xFF; +explain partitions select * from t1 where a < 64 AND a >= 63; +explain partitions select * from t2 where a < 64 AND a >= 63; +explain partitions select * from t1 where a <= 64 AND a >= 63; +explain partitions select * from t2 where a <= 64 AND a >= 63; drop table t1; - +drop table t2; + create table t1(a bigint unsigned not null) partition by range(a+0) ( partition p1 values less than (10), partition p2 values less than (20), @@ -735,3 +761,34 @@ insert into t1 values (-15),(-5),(5),(15),(-15),(-5),(5),(15); explain partitions select * from t1 where a>-2 and a <=0; drop table t1; + +# +# BUG#27927 Partition pruning not optimal with TO_DAYS function +# + +CREATE TABLE t1 ( recdate DATETIME NOT NULL ) +PARTITION BY RANGE( TO_DAYS(recdate) ) ( + PARTITION p0 VALUES LESS THAN ( TO_DAYS('2007-03-08') ), + PARTITION p1 VALUES LESS THAN ( TO_DAYS('2007-04-01') ) +); +INSERT INTO t1 VALUES ('2007-03-01 12:00:00'); +INSERT INTO t1 VALUES ('2007-03-07 12:00:00'); +INSERT INTO t1 VALUES ('2007-03-08 12:00:00'); +INSERT INTO t1 VALUES ('2007-03-15 12:00:00'); +-- echo must use p0 only: +explain partitions select * from t1 where recdate < '2007-03-08 00:00:00'; + +drop table t1; +CREATE TABLE t1 ( recdate DATETIME NOT NULL ) +PARTITION BY RANGE( YEAR(recdate) ) ( + PARTITION p0 VALUES LESS THAN (2006), + PARTITION p1 VALUES LESS THAN (2007) +); +INSERT INTO t1 VALUES ('2005-03-01 12:00:00'); +INSERT INTO t1 VALUES ('2005-03-01 12:00:00'); +INSERT INTO t1 VALUES ('2006-03-01 12:00:00'); +INSERT INTO t1 VALUES ('2006-03-01 12:00:00'); + +-- echo must use p0 only: +explain partitions select * from t1 where recdate < '2006-01-01 00:00:00'; +drop table t1; |