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486 lines
18 KiB
486 lines
18 KiB
use test;
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drop table if exists t;
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create table t(a int, b real, c int as ((a+1)) virtual, e real as ((b+a)));
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insert into t values (1, 2.0, default, default), (2, 2.1, default, default), (5, 3.0, default, default),
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(5, -1.0, default, default), (0, 0.0, default, default), (-1, -2.0, default, default), (0, 0, default, default);
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alter table t add index idx_c(c);
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alter table t add index idx_e(e);
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set @@sql_mode=""
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desc select * from t where a+1=3;
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id estRows task access object operator info
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IndexLookUp_10 10.00 root
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├─IndexRangeScan_8(Build) 10.00 cop[tikv] table:t, index:idx_c(c) range:[3,3], keep order:false, stats:pseudo
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└─TableRowIDScan_9(Probe) 10.00 cop[tikv] table:t keep order:false, stats:pseudo
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select * from t where a+1=3;
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a b c e
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2 2.1 3 4.1
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desc select a+1 from t where a+1=3;
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id estRows task access object operator info
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IndexReader_6 10.00 root index:IndexRangeScan_5
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└─IndexRangeScan_5 10.00 cop[tikv] table:t, index:idx_c(c) range:[3,3], keep order:false, stats:pseudo
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select a+1 from t where a+1=3;
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a+1
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3
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desc select c from t where a+1=3;
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id estRows task access object operator info
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IndexReader_6 10.00 root index:IndexRangeScan_5
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└─IndexRangeScan_5 10.00 cop[tikv] table:t, index:idx_c(c) range:[3,3], keep order:false, stats:pseudo
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select c from t where a+1=3;
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c
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3
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desc select * from t where b+a=3;
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id estRows task access object operator info
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IndexLookUp_10 10.00 root
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├─IndexRangeScan_8(Build) 10.00 cop[tikv] table:t, index:idx_e(e) range:[3,3], keep order:false, stats:pseudo
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└─TableRowIDScan_9(Probe) 10.00 cop[tikv] table:t keep order:false, stats:pseudo
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select * from t where b+a=3;
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a b c e
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1 2 2 3
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desc select b+a from t where b+a=3;
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id estRows task access object operator info
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IndexReader_6 10.00 root index:IndexRangeScan_5
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└─IndexRangeScan_5 10.00 cop[tikv] table:t, index:idx_e(e) range:[3,3], keep order:false, stats:pseudo
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select b+a from t where b+a=3;
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b+a
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3
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desc select e from t where b+a=3;
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id estRows task access object operator info
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IndexReader_6 10.00 root index:IndexRangeScan_5
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└─IndexRangeScan_5 10.00 cop[tikv] table:t, index:idx_e(e) range:[3,3], keep order:false, stats:pseudo
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select e from t where b+a=3;
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e
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3
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desc select a+1 from t where a+1 in (1, 2, 3);
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id estRows task access object operator info
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IndexReader_6 30.00 root index:IndexRangeScan_5
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└─IndexRangeScan_5 30.00 cop[tikv] table:t, index:idx_c(c) range:[1,1], [2,2], [3,3], keep order:false, stats:pseudo
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select a+1 from t where a+1 in (1, 2, 3);
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a+1
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1
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1
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2
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3
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desc select * from t where a+1 in (1, 2, 3);
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id estRows task access object operator info
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IndexLookUp_10 30.00 root
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├─IndexRangeScan_8(Build) 30.00 cop[tikv] table:t, index:idx_c(c) range:[1,1], [2,2], [3,3], keep order:false, stats:pseudo
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└─TableRowIDScan_9(Probe) 30.00 cop[tikv] table:t keep order:false, stats:pseudo
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select * from t where a+1 in (1, 2, 3);
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a b c e
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1 2 2 3
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2 2.1 3 4.1
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0 0 1 0
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0 0 1 0
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desc select a+1 from t where a+1 between 1 and 4;
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id estRows task access object operator info
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IndexReader_6 250.00 root index:IndexRangeScan_5
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└─IndexRangeScan_5 250.00 cop[tikv] table:t, index:idx_c(c) range:[1,4], keep order:false, stats:pseudo
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select a+1 from t where a+1 between 1 and 4;
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a+1
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1
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1
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2
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3
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desc select * from t where a+1 between 1 and 4;
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id estRows task access object operator info
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IndexLookUp_10 250.00 root
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├─IndexRangeScan_8(Build) 250.00 cop[tikv] table:t, index:idx_c(c) range:[1,4], keep order:false, stats:pseudo
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└─TableRowIDScan_9(Probe) 250.00 cop[tikv] table:t keep order:false, stats:pseudo
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select * from t where a+1 between 1 and 4;
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a b c e
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1 2 2 3
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2 2.1 3 4.1
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0 0 1 0
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0 0 1 0
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desc select * from t order by a+1;
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id estRows task access object operator info
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Projection_13 10000.00 root test.t.a, test.t.b, test.t.c, test.t.e
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└─IndexLookUp_12 10000.00 root
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├─IndexFullScan_10(Build) 10000.00 cop[tikv] table:t, index:idx_c(c) keep order:true, stats:pseudo
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└─TableRowIDScan_11(Probe) 10000.00 cop[tikv] table:t keep order:false, stats:pseudo
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select * from t order by a+1;
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a b c e
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-1 -2 0 -3
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0 0 1 0
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0 0 1 0
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1 2 2 3
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2 2.1 3 4.1
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5 3 6 8
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5 -1 6 4
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desc select a+1 from t order by a+1;
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id estRows task access object operator info
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IndexReader_13 10000.00 root index:IndexFullScan_12
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└─IndexFullScan_12 10000.00 cop[tikv] table:t, index:idx_c(c) keep order:true, stats:pseudo
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select a+1 from t order by a+1;
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a+1
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0
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1
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1
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2
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3
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6
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6
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desc select b+a from t order by b+a;
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id estRows task access object operator info
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IndexReader_13 10000.00 root index:IndexFullScan_12
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└─IndexFullScan_12 10000.00 cop[tikv] table:t, index:idx_e(e) keep order:true, stats:pseudo
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select b+a from t order by b+a;
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b+a
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-3
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0
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0
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3
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4
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4.1
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8
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desc update t set a=1 where a+1 = 3;
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id estRows task access object operator info
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Update_4 N/A root N/A
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└─IndexLookUp_11 10.00 root
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├─IndexRangeScan_9(Build) 10.00 cop[tikv] table:t, index:idx_c(c) range:[3,3], keep order:false, stats:pseudo
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└─TableRowIDScan_10(Probe) 10.00 cop[tikv] table:t keep order:false, stats:pseudo
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desc update t set a=2, b = 3 where b+a = 3;
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id estRows task access object operator info
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Update_4 N/A root N/A
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└─IndexLookUp_11 10.00 root
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├─IndexRangeScan_9(Build) 10.00 cop[tikv] table:t, index:idx_e(e) range:[3,3], keep order:false, stats:pseudo
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└─TableRowIDScan_10(Probe) 10.00 cop[tikv] table:t keep order:false, stats:pseudo
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desc delete from t where a+1 = 3;
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id estRows task access object operator info
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Delete_4 N/A root N/A
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└─IndexLookUp_11 10.00 root
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├─IndexRangeScan_9(Build) 10.00 cop[tikv] table:t, index:idx_c(c) range:[3,3], keep order:false, stats:pseudo
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└─TableRowIDScan_10(Probe) 10.00 cop[tikv] table:t keep order:false, stats:pseudo
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desc delete from t where b+a = 0;
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id estRows task access object operator info
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Delete_4 N/A root N/A
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└─IndexLookUp_11 10.00 root
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├─IndexRangeScan_9(Build) 10.00 cop[tikv] table:t, index:idx_e(e) range:[0,0], keep order:false, stats:pseudo
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└─TableRowIDScan_10(Probe) 10.00 cop[tikv] table:t keep order:false, stats:pseudo
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alter table t drop index idx_c;
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alter table t drop index idx_e;
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alter table t add index expr_idx_c((a+1));
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alter table t add index expr_idx_e((b+a));
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truncate table t;
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insert into t values (1, 2.0, default, default), (2, 2.1, default, default), (5, 3.0, default, default),
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(5, -1.0, default, default), (0, 0.0, default, default), (-1, -2.0, default, default), (0, 0, default, default);
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desc select * from t where a+1=3;
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id estRows task access object operator info
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Projection_4 10.00 root test.t.a, test.t.b, test.t.c, test.t.e
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└─IndexLookUp_10 10.00 root
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├─IndexRangeScan_8(Build) 10.00 cop[tikv] table:t, index:expr_idx_c(`a` + 1) range:[3,3], keep order:false, stats:pseudo
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└─TableRowIDScan_9(Probe) 10.00 cop[tikv] table:t keep order:false, stats:pseudo
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select * from t where a+1=3;
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a b c e
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2 2.1 3 4.1
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desc select a+1 from t where a+1=3;
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id estRows task access object operator info
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IndexReader_6 10.00 root index:IndexRangeScan_5
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└─IndexRangeScan_5 10.00 cop[tikv] table:t, index:expr_idx_c(`a` + 1) range:[3,3], keep order:false, stats:pseudo
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select a+1 from t where a+1=3;
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a+1
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3
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desc select c from t where a+1=3;
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id estRows task access object operator info
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Projection_4 10.00 root test.t.c
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└─IndexLookUp_10 10.00 root
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├─IndexRangeScan_8(Build) 10.00 cop[tikv] table:t, index:expr_idx_c(`a` + 1) range:[3,3], keep order:false, stats:pseudo
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└─TableRowIDScan_9(Probe) 10.00 cop[tikv] table:t keep order:false, stats:pseudo
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select c from t where a+1=3;
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c
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3
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desc select * from t where b+a=3;
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id estRows task access object operator info
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Projection_4 10.00 root test.t.a, test.t.b, test.t.c, test.t.e
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└─IndexLookUp_10 10.00 root
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├─IndexRangeScan_8(Build) 10.00 cop[tikv] table:t, index:expr_idx_e(`b` + `a`) range:[3,3], keep order:false, stats:pseudo
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└─TableRowIDScan_9(Probe) 10.00 cop[tikv] table:t keep order:false, stats:pseudo
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select * from t where b+a=3;
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a b c e
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1 2 2 3
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desc select b+a from t where b+a=3;
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id estRows task access object operator info
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IndexReader_6 10.00 root index:IndexRangeScan_5
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└─IndexRangeScan_5 10.00 cop[tikv] table:t, index:expr_idx_e(`b` + `a`) range:[3,3], keep order:false, stats:pseudo
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select b+a from t where b+a=3;
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b+a
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3
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desc select e from t where b+a=3;
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id estRows task access object operator info
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Projection_4 10.00 root test.t.e
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└─IndexLookUp_10 10.00 root
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├─IndexRangeScan_8(Build) 10.00 cop[tikv] table:t, index:expr_idx_e(`b` + `a`) range:[3,3], keep order:false, stats:pseudo
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└─TableRowIDScan_9(Probe) 10.00 cop[tikv] table:t keep order:false, stats:pseudo
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select e from t where b+a=3;
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e
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3
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desc select a+1 from t where a+1 in (1, 2, 3);
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id estRows task access object operator info
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IndexReader_6 30.00 root index:IndexRangeScan_5
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└─IndexRangeScan_5 30.00 cop[tikv] table:t, index:expr_idx_c(`a` + 1) range:[1,1], [2,2], [3,3], keep order:false, stats:pseudo
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select a+1 from t where a+1 in (1, 2, 3);
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a+1
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1
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1
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2
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3
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desc select * from t where a+1 in (1, 2, 3);
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id estRows task access object operator info
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Projection_4 30.00 root test.t.a, test.t.b, test.t.c, test.t.e
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└─IndexLookUp_10 30.00 root
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├─IndexRangeScan_8(Build) 30.00 cop[tikv] table:t, index:expr_idx_c(`a` + 1) range:[1,1], [2,2], [3,3], keep order:false, stats:pseudo
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└─TableRowIDScan_9(Probe) 30.00 cop[tikv] table:t keep order:false, stats:pseudo
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select * from t where a+1 in (1, 2, 3);
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a b c e
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1 2 2 3
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2 2.1 3 4.1
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0 0 1 0
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0 0 1 0
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desc select a+1 from t where a+1 between 1 and 4;
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id estRows task access object operator info
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IndexReader_6 250.00 root index:IndexRangeScan_5
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└─IndexRangeScan_5 250.00 cop[tikv] table:t, index:expr_idx_c(`a` + 1) range:[1,4], keep order:false, stats:pseudo
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select a+1 from t where a+1 between 1 and 4;
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a+1
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1
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1
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2
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3
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desc select * from t where a+1 between 1 and 4;
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id estRows task access object operator info
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Projection_4 250.00 root test.t.a, test.t.b, test.t.c, test.t.e
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└─IndexLookUp_10 250.00 root
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├─IndexRangeScan_8(Build) 250.00 cop[tikv] table:t, index:expr_idx_c(`a` + 1) range:[1,4], keep order:false, stats:pseudo
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└─TableRowIDScan_9(Probe) 250.00 cop[tikv] table:t keep order:false, stats:pseudo
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select * from t where a+1 between 1 and 4;
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a b c e
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1 2 2 3
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2 2.1 3 4.1
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0 0 1 0
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0 0 1 0
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desc select * from t order by a+1;
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id estRows task access object operator info
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Projection_5 10000.00 root test.t.a, test.t.b, test.t.c, test.t.e
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└─Projection_13 10000.00 root test.t.a, test.t.b, test.t.c, test.t.e, EMPTY_NAME
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└─IndexLookUp_12 10000.00 root
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├─IndexFullScan_10(Build) 10000.00 cop[tikv] table:t, index:expr_idx_c(`a` + 1) keep order:true, stats:pseudo
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└─TableRowIDScan_11(Probe) 10000.00 cop[tikv] table:t keep order:false, stats:pseudo
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select * from t order by a+1;
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a b c e
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-1 -2 0 -3
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0 0 1 0
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0 0 1 0
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1 2 2 3
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2 2.1 3 4.1
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5 3 6 8
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5 -1 6 4
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desc select a+1 from t order by a+1;
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id estRows task access object operator info
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IndexReader_13 10000.00 root index:IndexFullScan_12
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└─IndexFullScan_12 10000.00 cop[tikv] table:t, index:expr_idx_c(`a` + 1) keep order:true, stats:pseudo
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select a+1 from t order by a+1;
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a+1
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0
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1
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1
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2
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3
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6
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6
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desc select b+a from t order by b+a;
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id estRows task access object operator info
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IndexReader_13 10000.00 root index:IndexFullScan_12
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└─IndexFullScan_12 10000.00 cop[tikv] table:t, index:expr_idx_e(`b` + `a`) keep order:true, stats:pseudo
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select b+a from t order by b+a;
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b+a
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-3
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0
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0
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3
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4
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4.1
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8
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desc update t set a=1 where a+1 = 3;
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id estRows task access object operator info
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Update_4 N/A root N/A
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└─IndexLookUp_11 10.00 root
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├─IndexRangeScan_9(Build) 10.00 cop[tikv] table:t, index:expr_idx_c(`a` + 1) range:[3,3], keep order:false, stats:pseudo
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└─TableRowIDScan_10(Probe) 10.00 cop[tikv] table:t keep order:false, stats:pseudo
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desc update t set a=2, b = 3 where b+a = 3;
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id estRows task access object operator info
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Update_4 N/A root N/A
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└─IndexLookUp_11 10.00 root
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├─IndexRangeScan_9(Build) 10.00 cop[tikv] table:t, index:expr_idx_e(`b` + `a`) range:[3,3], keep order:false, stats:pseudo
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└─TableRowIDScan_10(Probe) 10.00 cop[tikv] table:t keep order:false, stats:pseudo
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desc delete from t where a+1 = 3;
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id estRows task access object operator info
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Delete_4 N/A root N/A
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└─IndexLookUp_11 10.00 root
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├─IndexRangeScan_9(Build) 10.00 cop[tikv] table:t, index:expr_idx_c(`a` + 1) range:[3,3], keep order:false, stats:pseudo
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└─TableRowIDScan_10(Probe) 10.00 cop[tikv] table:t keep order:false, stats:pseudo
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desc delete from t where b+a = 0;
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id estRows task access object operator info
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Delete_4 N/A root N/A
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└─IndexLookUp_11 10.00 root
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├─IndexRangeScan_9(Build) 10.00 cop[tikv] table:t, index:expr_idx_e(`b` + `a`) range:[0,0], keep order:false, stats:pseudo
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└─TableRowIDScan_10(Probe) 10.00 cop[tikv] table:t keep order:false, stats:pseudo
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drop table if exists t;
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create table t(c0 char as (c1), c1 int);
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insert into t(c1) values (0), (1);
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desc select * from t;
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id estRows task access object operator info
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TableReader_5 10000.00 root data:TableFullScan_4
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└─TableFullScan_4 10000.00 cop[tikv] table:t keep order:false, stats:pseudo
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select * from t;
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c0 c1
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0 0
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1 1
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drop table if exists t;
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create table t(c0 int as (c1) unique, c1 int);
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insert into t(c1) values (0), (1);
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desc select * from t;
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id estRows task access object operator info
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Projection_3 10000.00 root test.t.c0, test.t.c0
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└─IndexReader_7 10000.00 root index:IndexFullScan_6
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└─IndexFullScan_6 10000.00 cop[tikv] table:t, index:c0(c0) keep order:false, stats:pseudo
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select * from t;
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c0 c1
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0 0
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1 1
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drop table if exists t;
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create table t(c0 char as (c1) unique, c1 int);
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insert into t(c1) values (0), (1);
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desc select * from t;
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id estRows task access object operator info
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TableReader_5 10000.00 root data:TableFullScan_4
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└─TableFullScan_4 10000.00 cop[tikv] table:t keep order:false, stats:pseudo
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select * from t;
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c0 c1
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0 0
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1 1
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drop table if exists t;
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create table t(c0 int, c1 int as (c0+1) unique);
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insert into t(c0) values (1),(2);
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explain select c0+1 from t;
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id estRows task access object operator info
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IndexReader_7 10000.00 root index:IndexFullScan_6
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└─IndexFullScan_6 10000.00 cop[tikv] table:t, index:c1(c1) keep order:false, stats:pseudo
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select c0+1 from t;
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c0+1
|
|
2
|
|
3
|
|
drop table if exists t;
|
|
create table t(c0 int, c1 int as (c0) unique);
|
|
insert into t(c0) values (1),(2);
|
|
explain select c1 from t where c1 = 2;
|
|
id estRows task access object operator info
|
|
Projection_4 1.00 root test.t.c1
|
|
└─Point_Get_5 1.00 root table:t, index:c1(c1)
|
|
select c1 from t where c1 = 2;
|
|
c1
|
|
2
|
|
drop table if exists t;
|
|
create table t(c0 double, c1 float as (c0+1) unique);
|
|
insert into t(c0) values (1.1),(2.2);
|
|
explain select c0+1 from t;
|
|
id estRows task access object operator info
|
|
Projection_3 10000.00 root plus(test.t.c0, 1)->Column#4
|
|
└─TableReader_5 10000.00 root data:TableFullScan_4
|
|
└─TableFullScan_4 10000.00 cop[tikv] table:t keep order:false, stats:pseudo
|
|
select c0+1 from t;
|
|
c0+1
|
|
2.1
|
|
3.2
|
|
drop table if exists t;
|
|
create table t(c0 float, c1 float as (c0+1) unique);
|
|
insert into t(c0) values (1.1),(2.2);
|
|
explain select c0+1 from t;
|
|
id estRows task access object operator info
|
|
Projection_3 10000.00 root plus(test.t.c0, 1)->Column#4
|
|
└─TableReader_5 10000.00 root data:TableFullScan_4
|
|
└─TableFullScan_4 10000.00 cop[tikv] table:t keep order:false, stats:pseudo
|
|
select c0+1 from t;
|
|
c0+1
|
|
2.100000023841858
|
|
3.200000047683716
|
|
drop table if exists t;
|
|
create table t(c0 int, c1 tinyint as (c0) unique);
|
|
insert into t(c0) values (1),(127);
|
|
desc select * from t;
|
|
id estRows task access object operator info
|
|
Projection_3 10000.00 root test.t.c1, test.t.c1
|
|
└─IndexReader_7 10000.00 root index:IndexFullScan_6
|
|
└─IndexFullScan_6 10000.00 cop[tikv] table:t, index:c1(c1) keep order:false, stats:pseudo
|
|
select * from t;
|
|
c0 c1
|
|
1 1
|
|
127 127
|
|
drop table if exists t;
|
|
create table t(c0 int, c1 year as (c0) unique);
|
|
insert into t(c0) values (48);
|
|
desc select * from t;
|
|
id estRows task access object operator info
|
|
TableReader_5 10000.00 root data:TableFullScan_4
|
|
└─TableFullScan_4 10000.00 cop[tikv] table:t keep order:false, stats:pseudo
|
|
select * from t;
|
|
c0 c1
|
|
48 2048
|
|
drop table t;
|
|
create table t(c0 varchar(10), c1 char(10) as (c0) unique);
|
|
insert into t(c0) values ("a ");
|
|
desc select * from t;
|
|
id estRows task access object operator info
|
|
TableReader_5 10000.00 root data:TableFullScan_4
|
|
└─TableFullScan_4 10000.00 cop[tikv] table:t keep order:false, stats:pseudo
|
|
select * from t;
|
|
c0 c1
|
|
a a
|
|
drop table if exists t;
|
|
create table t(c0 timestamp, c1 date as (c0) unique);
|
|
insert into t(c0) values('2038-01-19 03:14:07.999999');
|
|
desc select * from t;
|
|
id estRows task access object operator info
|
|
TableReader_5 10000.00 root data:TableFullScan_4
|
|
└─TableFullScan_4 10000.00 cop[tikv] table:t keep order:false, stats:pseudo
|
|
select * from t;
|
|
c0 c1
|
|
2038-01-19 03:14:08 2038-01-19
|
|
drop table t;
|
|
create table t(c0 decimal(5,3), c1 decimal(5,2) as (c0) unique);
|
|
insert into t(c0) values (3.1415926);
|
|
desc select * from t;
|
|
id estRows task access object operator info
|
|
TableReader_5 10000.00 root data:TableFullScan_4
|
|
└─TableFullScan_4 10000.00 cop[tikv] table:t keep order:false, stats:pseudo
|
|
select * from t;
|
|
c0 c1
|
|
3.142 3.14
|
|
drop table t;
|
|
create table t(c0 char(10), c1 binary(10) as (c0) unique);
|
|
select hex(c0) from (select c0 from t use index()) tt;
|
|
hex(c0)
|
|
drop table t;
|
|
create table t(c0 char(10), c1 binary(10) as (c0) unique);
|
|
select c0 from t use index();
|
|
c0
|
|
desc select c0 from t use index();
|
|
id estRows task access object operator info
|
|
TableReader_5 10000.00 root data:TableFullScan_4
|
|
└─TableFullScan_4 10000.00 cop[tikv] table:t keep order:false, stats:pseudo
|
|
select hex(c0) from (select c0 from t use index()) tt;
|
|
hex(c0)
|
|
desc select hex(c0) from (select c0 from t use index()) tt;
|
|
id estRows task access object operator info
|
|
Projection_4 10000.00 root hex(test.t.c0)->Column#4
|
|
└─TableReader_6 10000.00 root data:TableFullScan_5
|
|
└─TableFullScan_5 10000.00 cop[tikv] table:t keep order:false, stats:pseudo
|
|
drop table t;
|
|
create table t(a enum('1', '2', '3'), b enum('a', 'b', 'c') as (a) unique);
|
|
insert into t(a) values ('1');
|
|
desc select * from t;
|
|
id estRows task access object operator info
|
|
TableReader_5 10000.00 root data:TableFullScan_4
|
|
└─TableFullScan_4 10000.00 cop[tikv] table:t keep order:false, stats:pseudo
|
|
select * from t;
|
|
a b
|
|
1 a
|
|
|