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Reapplied patch for bug18198

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unknown
2007-04-04 16:26:32 +02:00
parent db1aa7e806
commit f66a3c0427
19 changed files with 163 additions and 206 deletions
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58
mysql-test/t/partition_pruning.test
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@@ -539,13 +539,12 @@ 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)
);
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';
@@ -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),