523 lines
25 KiB
JSON
523 lines
25 KiB
JSON
[
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{
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"Name": "TestSetOperation",
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"Cases": [
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{
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"SQL": "select * from t3 union select * from t1",
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"Plan": [
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"HashAgg_9 16000.00 root group by:Column#5, funcs:firstrow(Column#5)->Column#5",
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"└─Union_10 20000.00 root ",
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" ├─TableReader_13 10000.00 root data:TableFullScan_12",
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" │ └─TableFullScan_12 10000.00 cop[tikv] table:t3 keep order:false, stats:pseudo",
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" └─TableReader_16 10000.00 root data:TableFullScan_15",
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" └─TableFullScan_15 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo"
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],
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"Res": [
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"1",
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"2",
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"3",
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"<nil>"
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]
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},
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{
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"SQL": "select * from t2 union all select * from t1",
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"Plan": [
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"Union_8 20000.00 root ",
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"├─TableReader_11 10000.00 root data:TableFullScan_10",
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"│ └─TableFullScan_10 10000.00 cop[tikv] table:t2 keep order:false, stats:pseudo",
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"└─TableReader_14 10000.00 root data:TableFullScan_13",
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" └─TableFullScan_13 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo"
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],
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"Res": [
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"1",
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"1",
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"1",
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"2",
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"2",
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"3",
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"<nil>",
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"<nil>",
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"<nil>"
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]
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},
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{
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"SQL": "select * from t1 except select * from t3",
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"Plan": [
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"HashJoin_7 6400.00 root anti semi join, equal:[nulleq(test.t1.a, test.t3.a)]",
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"├─TableReader_18(Build) 10000.00 root data:TableFullScan_17",
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"│ └─TableFullScan_17 10000.00 cop[tikv] table:t3 keep order:false, stats:pseudo",
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"└─HashAgg_10(Probe) 8000.00 root group by:test.t1.a, funcs:firstrow(test.t1.a)->test.t1.a",
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" └─TableReader_15 10000.00 root data:TableFullScan_14",
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" └─TableFullScan_14 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo"
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],
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"Res": [
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"1",
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"<nil>"
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]
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},
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{
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"SQL": "select * from t1 intersect select * from t2",
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"Plan": [
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"HashJoin_7 6400.00 root semi join, equal:[nulleq(test.t1.a, test.t2.a)]",
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"├─TableReader_18(Build) 10000.00 root data:TableFullScan_17",
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"│ └─TableFullScan_17 10000.00 cop[tikv] table:t2 keep order:false, stats:pseudo",
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"└─HashAgg_10(Probe) 8000.00 root group by:test.t1.a, funcs:firstrow(test.t1.a)->test.t1.a",
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" └─TableReader_15 10000.00 root data:TableFullScan_14",
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" └─TableFullScan_14 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo"
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],
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"Res": [
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"1",
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"2",
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"<nil>"
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]
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},
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{
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"SQL": "select * from t1 union all select * from t2 union all select * from t3",
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"Plan": [
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"Union_11 30000.00 root ",
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"├─TableReader_14 10000.00 root data:TableFullScan_13",
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"│ └─TableFullScan_13 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo",
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"├─TableReader_17 10000.00 root data:TableFullScan_16",
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"│ └─TableFullScan_16 10000.00 cop[tikv] table:t2 keep order:false, stats:pseudo",
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"└─TableReader_20 10000.00 root data:TableFullScan_19",
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" └─TableFullScan_19 10000.00 cop[tikv] table:t3 keep order:false, stats:pseudo"
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],
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"Res": [
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"1",
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"1",
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"1",
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"2",
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"2",
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"2",
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"3",
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"3",
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"<nil>",
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"<nil>",
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"<nil>"
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]
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},
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{
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"SQL": "select * from t1 union all select * from t2 except select * from t3",
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"Plan": [
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"HashJoin_12 12800.00 root anti semi join, equal:[nulleq(Column#7, test.t3.a)]",
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"├─TableReader_23(Build) 10000.00 root data:TableFullScan_22",
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"│ └─TableFullScan_22 10000.00 cop[tikv] table:t3 keep order:false, stats:pseudo",
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"└─HashAgg_13(Probe) 16000.00 root group by:Column#7, funcs:firstrow(Column#7)->Column#7",
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" └─Union_14 20000.00 root ",
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" ├─TableReader_17 10000.00 root data:TableFullScan_16",
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" │ └─TableFullScan_16 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo",
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" └─TableReader_20 10000.00 root data:TableFullScan_19",
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" └─TableFullScan_19 10000.00 cop[tikv] table:t2 keep order:false, stats:pseudo"
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],
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"Res": [
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"1",
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"<nil>"
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]
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},
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{
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"SQL": "select * from t1 intersect select * from t2 intersect select * from t1",
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"Plan": [
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"HashJoin_12 5120.00 root semi join, equal:[nulleq(test.t1.a, test.t1.a)]",
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"├─TableReader_27(Build) 10000.00 root data:TableFullScan_26",
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"│ └─TableFullScan_26 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo",
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"└─HashJoin_14(Probe) 6400.00 root semi join, equal:[nulleq(test.t1.a, test.t2.a)]",
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" ├─TableReader_24(Build) 10000.00 root data:TableFullScan_23",
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" │ └─TableFullScan_23 10000.00 cop[tikv] table:t2 keep order:false, stats:pseudo",
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" └─HashAgg_17(Probe) 8000.00 root group by:test.t1.a, funcs:firstrow(test.t1.a)->test.t1.a",
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" └─TableReader_22 10000.00 root data:TableFullScan_21",
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" └─TableFullScan_21 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo"
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],
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"Res": [
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"1",
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"2",
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"<nil>"
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]
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},
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{
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"SQL": "select * from t1 union all select * from t2 intersect select * from t3",
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"Plan": [
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"Union_12 16400.00 root ",
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"├─TableReader_15 10000.00 root data:TableFullScan_14",
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"│ └─TableFullScan_14 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo",
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"└─HashJoin_17 6400.00 root semi join, equal:[nulleq(test.t2.a, test.t3.a)]",
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" ├─TableReader_27(Build) 10000.00 root data:TableFullScan_26",
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" │ └─TableFullScan_26 10000.00 cop[tikv] table:t3 keep order:false, stats:pseudo",
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" └─HashAgg_20(Probe) 8000.00 root group by:test.t2.a, funcs:firstrow(test.t2.a)->test.t2.a",
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" └─TableReader_25 10000.00 root data:TableFullScan_24",
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" └─TableFullScan_24 10000.00 cop[tikv] table:t2 keep order:false, stats:pseudo"
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],
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"Res": [
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"1",
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"1",
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"2",
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"2",
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"3",
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"<nil>"
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]
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},
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{
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"SQL": "select * from t1 except select * from t2 intersect select * from t3",
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"Plan": [
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"HashJoin_11 6400.00 root anti semi join, equal:[nulleq(test.t1.a, test.t2.a)]",
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"├─HashJoin_20(Build) 6400.00 root semi join, equal:[nulleq(test.t2.a, test.t3.a)]",
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"│ ├─TableReader_31(Build) 10000.00 root data:TableFullScan_30",
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"│ │ └─TableFullScan_30 10000.00 cop[tikv] table:t3 keep order:false, stats:pseudo",
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"│ └─HashAgg_23(Probe) 8000.00 root group by:test.t2.a, funcs:firstrow(test.t2.a)->test.t2.a",
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"│ └─TableReader_28 10000.00 root data:TableFullScan_27",
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"│ └─TableFullScan_27 10000.00 cop[tikv] table:t2 keep order:false, stats:pseudo",
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"└─HashAgg_14(Probe) 8000.00 root group by:test.t1.a, funcs:firstrow(test.t1.a)->test.t1.a",
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" └─TableReader_19 10000.00 root data:TableFullScan_18",
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" └─TableFullScan_18 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo"
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],
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"Res": [
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"1",
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"3",
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"<nil>"
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]
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},
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{
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"SQL": "select * from t1 intersect (select * from t2 except (select * from t3))",
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"Plan": [
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"HashJoin_11 6400.00 root semi join, equal:[nulleq(test.t1.a, test.t2.a)]",
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"├─HashJoin_20(Build) 6400.00 root anti semi join, equal:[nulleq(test.t2.a, test.t3.a)]",
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"│ ├─TableReader_31(Build) 10000.00 root data:TableFullScan_30",
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"│ │ └─TableFullScan_30 10000.00 cop[tikv] table:t3 keep order:false, stats:pseudo",
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"│ └─HashAgg_23(Probe) 8000.00 root group by:test.t2.a, funcs:firstrow(test.t2.a)->test.t2.a",
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"│ └─TableReader_28 10000.00 root data:TableFullScan_27",
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"│ └─TableFullScan_27 10000.00 cop[tikv] table:t2 keep order:false, stats:pseudo",
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"└─HashAgg_14(Probe) 8000.00 root group by:test.t1.a, funcs:firstrow(test.t1.a)->test.t1.a",
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" └─TableReader_19 10000.00 root data:TableFullScan_18",
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" └─TableFullScan_18 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo"
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],
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"Res": [
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"1",
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"<nil>"
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]
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},
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{
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"SQL": "select * from t1 union all (select * from t2 except select * from t3)",
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"Plan": [
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"Union_12 16400.00 root ",
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"├─TableReader_15 10000.00 root data:TableFullScan_14",
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"│ └─TableFullScan_14 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo",
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"└─HashJoin_17 6400.00 root anti semi join, equal:[nulleq(test.t2.a, test.t3.a)]",
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" ├─TableReader_27(Build) 10000.00 root data:TableFullScan_26",
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" │ └─TableFullScan_26 10000.00 cop[tikv] table:t3 keep order:false, stats:pseudo",
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" └─HashAgg_20(Probe) 8000.00 root group by:test.t2.a, funcs:firstrow(test.t2.a)->test.t2.a",
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" └─TableReader_25 10000.00 root data:TableFullScan_24",
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" └─TableFullScan_24 10000.00 cop[tikv] table:t2 keep order:false, stats:pseudo"
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],
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"Res": [
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"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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"<nil>",
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"<nil>"
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]
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},
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{
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"SQL": "select * from t1 union (select * from t2 union all select * from t3)",
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"Plan": [
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"HashAgg_14 24000.00 root group by:Column#8, funcs:firstrow(Column#8)->Column#8",
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"└─Union_15 30000.00 root ",
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" ├─TableReader_18 10000.00 root data:TableFullScan_17",
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" │ └─TableFullScan_17 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo",
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" └─Union_20 20000.00 root ",
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" ├─TableReader_23 10000.00 root data:TableFullScan_22",
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" │ └─TableFullScan_22 10000.00 cop[tikv] table:t2 keep order:false, stats:pseudo",
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" └─TableReader_26 10000.00 root data:TableFullScan_25",
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" └─TableFullScan_25 10000.00 cop[tikv] table:t3 keep order:false, stats:pseudo"
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],
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"Res": [
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"1",
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"2",
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"3",
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"<nil>"
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]
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},
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{
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"SQL": "(select * from t1 intersect select * from t1) except (select * from t2 union select * from t3)",
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"Plan": [
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"HashJoin_18 5120.00 root anti semi join, equal:[nulleq(test.t1.a, Column#9)]",
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"├─HashAgg_31(Build) 16000.00 root group by:Column#9, funcs:firstrow(Column#9)->Column#9",
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"│ └─Union_32 20000.00 root ",
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"│ ├─TableReader_35 10000.00 root data:TableFullScan_34",
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"│ │ └─TableFullScan_34 10000.00 cop[tikv] table:t2 keep order:false, stats:pseudo",
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"│ └─TableReader_38 10000.00 root data:TableFullScan_37",
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"│ └─TableFullScan_37 10000.00 cop[tikv] table:t3 keep order:false, stats:pseudo",
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"└─HashJoin_20(Probe) 6400.00 root semi join, equal:[nulleq(test.t1.a, test.t1.a)]",
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" ├─TableReader_30(Build) 10000.00 root data:TableFullScan_29",
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" │ └─TableFullScan_29 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo",
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" └─HashAgg_23(Probe) 8000.00 root group by:test.t1.a, funcs:firstrow(test.t1.a)->test.t1.a",
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" └─TableReader_28 10000.00 root data:TableFullScan_27",
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" └─TableFullScan_27 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo"
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],
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"Res": null
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}
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]
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},
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{
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"Name": "TestSetOperationOnDiffColType",
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"Cases": [
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{
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"SQL": "select * from t3 union select * from t1",
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"Plan": [
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"HashAgg_9 16000.00 root group by:Column#7, Column#8, funcs:firstrow(Column#7)->Column#7, funcs:firstrow(Column#8)->Column#8",
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"└─Union_10 20000.00 root ",
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" ├─TableReader_13 10000.00 root data:TableFullScan_12",
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" │ └─TableFullScan_12 10000.00 cop[tikv] table:t3 keep order:false, stats:pseudo",
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" └─Projection_14 10000.00 root test.t1.a, cast(test.t1.b, decimal(30,10) BINARY)->Column#8",
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" └─TableReader_16 10000.00 root data:TableFullScan_15",
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" └─TableFullScan_15 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo"
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],
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"Res": [
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"1 1.0000000000",
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"2 2.0000000000",
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"2 2.1000000000",
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"3 3.0000000000",
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"<nil> <nil>"
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]
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},
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{
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"SQL": "select * from t2 union all select * from t1",
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"Plan": [
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"Union_8 20000.00 root ",
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"├─TableReader_11 10000.00 root data:TableFullScan_10",
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"│ └─TableFullScan_10 10000.00 cop[tikv] table:t2 keep order:false, stats:pseudo",
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"└─Projection_12 10000.00 root test.t1.a, cast(test.t1.b, varchar(20) BINARY CHARACTER SET utf8mb4 COLLATE utf8mb4_bin)->Column#8",
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" └─TableReader_14 10000.00 root data:TableFullScan_13",
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" └─TableFullScan_13 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo"
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],
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"Res": [
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"1 1",
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"1 1",
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"1 1",
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"2 2",
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"2 2",
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"3 3",
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"<nil> 3",
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"<nil> <nil>",
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"<nil> <nil>"
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]
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},
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{
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"SQL": "select * from t1 except select * from t3",
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"Plan": [
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"HashJoin_7 6400.00 root anti semi join, equal:[nulleq(test.t1.a, test.t3.a)], other cond:nulleq(cast(test.t1.b), test.t3.b)",
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"├─TableReader_18(Build) 10000.00 root data:TableFullScan_17",
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"│ └─TableFullScan_17 10000.00 cop[tikv] table:t3 keep order:false, stats:pseudo",
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"└─HashAgg_10(Probe) 8000.00 root group by:test.t1.a, test.t1.b, funcs:firstrow(test.t1.a)->test.t1.a, funcs:firstrow(test.t1.b)->test.t1.b",
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" └─TableReader_15 10000.00 root data:TableFullScan_14",
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" └─TableFullScan_14 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo"
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],
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"Res": [
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"1 1",
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"2 2",
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"<nil> <nil>"
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]
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},
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{
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"SQL": "select * from t1 intersect select * from t2",
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"Plan": [
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"HashJoin_7 6400.00 root semi join, equal:[nulleq(test.t1.a, test.t2.a)], other cond:nulleq(cast(test.t1.b), cast(test.t2.b))",
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"├─TableReader_18(Build) 10000.00 root data:TableFullScan_17",
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"│ └─TableFullScan_17 10000.00 cop[tikv] table:t2 keep order:false, stats:pseudo",
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"└─HashAgg_10(Probe) 8000.00 root group by:test.t1.a, test.t1.b, funcs:firstrow(test.t1.a)->test.t1.a, funcs:firstrow(test.t1.b)->test.t1.b",
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" └─TableReader_15 10000.00 root data:TableFullScan_14",
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" └─TableFullScan_14 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo"
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],
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"Res": [
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"1 1",
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"2 2",
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"<nil> <nil>"
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]
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},
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{
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"SQL": "select * from t1 union all select * from t2 union all select * from t3",
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"Plan": [
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"Union_11 30000.00 root ",
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"├─Projection_12 10000.00 root test.t1.a, cast(test.t1.b, varchar(30) BINARY CHARACTER SET utf8mb4 COLLATE utf8mb4_bin)->Column#11",
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"│ └─TableReader_14 10000.00 root data:TableFullScan_13",
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"│ └─TableFullScan_13 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo",
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"├─Projection_15 10000.00 root test.t2.a, cast(test.t2.b, varchar(30) BINARY CHARACTER SET utf8mb4 COLLATE utf8mb4_bin)->Column#11",
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"│ └─TableReader_17 10000.00 root data:TableFullScan_16",
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"│ └─TableFullScan_16 10000.00 cop[tikv] table:t2 keep order:false, stats:pseudo",
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"└─Projection_18 10000.00 root test.t3.a, cast(test.t3.b, varchar(30) BINARY CHARACTER SET utf8mb4 COLLATE utf8mb4_bin)->Column#11",
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" └─TableReader_20 10000.00 root data:TableFullScan_19",
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" └─TableFullScan_19 10000.00 cop[tikv] table:t3 keep order:false, stats:pseudo"
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],
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"Res": [
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"1 1",
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"1 1",
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"1 1",
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"2 2",
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"2 2",
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"2 2.1000000000",
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"3 3",
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"3 3.0000000000",
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"<nil> 3",
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"<nil> <nil>",
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"<nil> <nil>"
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|
]
|
|
},
|
|
{
|
|
"SQL": "select * from t1 union all select * from t2 except select * from t3",
|
|
"Plan": [
|
|
"HashJoin_12 12800.00 root anti semi join, equal:[nulleq(Column#10, test.t3.a)], other cond:nulleq(cast(Column#11), cast(test.t3.b))",
|
|
"├─TableReader_23(Build) 10000.00 root data:TableFullScan_22",
|
|
"│ └─TableFullScan_22 10000.00 cop[tikv] table:t3 keep order:false, stats:pseudo",
|
|
"└─HashAgg_13(Probe) 16000.00 root group by:Column#10, Column#11, funcs:firstrow(Column#10)->Column#10, funcs:firstrow(Column#11)->Column#11",
|
|
" └─Union_14 20000.00 root ",
|
|
" ├─Projection_15 10000.00 root test.t1.a, cast(test.t1.b, varchar(20) CHARACTER SET utf8mb4 COLLATE utf8mb4_bin)->Column#11",
|
|
" │ └─TableReader_17 10000.00 root data:TableFullScan_16",
|
|
" │ └─TableFullScan_16 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo",
|
|
" └─TableReader_20 10000.00 root data:TableFullScan_19",
|
|
" └─TableFullScan_19 10000.00 cop[tikv] table:t2 keep order:false, stats:pseudo"
|
|
],
|
|
"Res": [
|
|
"1 1",
|
|
"2 2",
|
|
"<nil> 3",
|
|
"<nil> <nil>"
|
|
]
|
|
},
|
|
{
|
|
"SQL": "select * from t1 intersect select * from t2 intersect select * from t1",
|
|
"Plan": [
|
|
"HashJoin_12 5120.00 root semi join, equal:[nulleq(test.t1.a, test.t1.a) nulleq(test.t1.b, test.t1.b)]",
|
|
"├─TableReader_27(Build) 10000.00 root data:TableFullScan_26",
|
|
"│ └─TableFullScan_26 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo",
|
|
"└─HashJoin_14(Probe) 6400.00 root semi join, equal:[nulleq(test.t1.a, test.t2.a)], other cond:nulleq(cast(test.t1.b), cast(test.t2.b))",
|
|
" ├─TableReader_24(Build) 10000.00 root data:TableFullScan_23",
|
|
" │ └─TableFullScan_23 10000.00 cop[tikv] table:t2 keep order:false, stats:pseudo",
|
|
" └─HashAgg_17(Probe) 8000.00 root group by:test.t1.a, test.t1.b, funcs:firstrow(test.t1.a)->test.t1.a, funcs:firstrow(test.t1.b)->test.t1.b",
|
|
" └─TableReader_22 10000.00 root data:TableFullScan_21",
|
|
" └─TableFullScan_21 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo"
|
|
],
|
|
"Res": [
|
|
"1 1",
|
|
"2 2",
|
|
"<nil> <nil>"
|
|
]
|
|
},
|
|
{
|
|
"SQL": "select * from t1 union all select * from t2 intersect select * from t3",
|
|
"Plan": [
|
|
"Union_12 16400.00 root ",
|
|
"├─Projection_13 10000.00 root test.t1.a, cast(test.t1.b, varchar(20) CHARACTER SET utf8mb4 COLLATE utf8mb4_bin)->Column#11",
|
|
"│ └─TableReader_15 10000.00 root data:TableFullScan_14",
|
|
"│ └─TableFullScan_14 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo",
|
|
"└─HashJoin_17 6400.00 root semi join, equal:[nulleq(test.t2.a, test.t3.a)], other cond:nulleq(cast(test.t2.b), cast(test.t3.b))",
|
|
" ├─TableReader_27(Build) 10000.00 root data:TableFullScan_26",
|
|
" │ └─TableFullScan_26 10000.00 cop[tikv] table:t3 keep order:false, stats:pseudo",
|
|
" └─HashAgg_20(Probe) 8000.00 root group by:test.t2.a, test.t2.b, funcs:firstrow(test.t2.a)->test.t2.a, funcs:firstrow(test.t2.b)->test.t2.b",
|
|
" └─TableReader_25 10000.00 root data:TableFullScan_24",
|
|
" └─TableFullScan_24 10000.00 cop[tikv] table:t2 keep order:false, stats:pseudo"
|
|
],
|
|
"Res": [
|
|
"1 1",
|
|
"1 1",
|
|
"2 2",
|
|
"3 3",
|
|
"<nil> <nil>"
|
|
]
|
|
},
|
|
{
|
|
"SQL": "select * from t1 except select * from t2 intersect select * from t3",
|
|
"Plan": [
|
|
"HashJoin_11 6400.00 root anti semi join, equal:[nulleq(test.t1.a, test.t2.a)], other cond:nulleq(cast(test.t1.b), cast(test.t2.b))",
|
|
"├─HashJoin_20(Build) 6400.00 root semi join, equal:[nulleq(test.t2.a, test.t3.a)], other cond:nulleq(cast(test.t2.b), cast(test.t3.b))",
|
|
"│ ├─TableReader_31(Build) 10000.00 root data:TableFullScan_30",
|
|
"│ │ └─TableFullScan_30 10000.00 cop[tikv] table:t3 keep order:false, stats:pseudo",
|
|
"│ └─HashAgg_23(Probe) 8000.00 root group by:test.t2.a, test.t2.b, funcs:firstrow(test.t2.a)->test.t2.a, funcs:firstrow(test.t2.b)->test.t2.b",
|
|
"│ └─TableReader_28 10000.00 root data:TableFullScan_27",
|
|
"│ └─TableFullScan_27 10000.00 cop[tikv] table:t2 keep order:false, stats:pseudo",
|
|
"└─HashAgg_14(Probe) 8000.00 root group by:test.t1.a, test.t1.b, funcs:firstrow(test.t1.a)->test.t1.a, funcs:firstrow(test.t1.b)->test.t1.b",
|
|
" └─TableReader_19 10000.00 root data:TableFullScan_18",
|
|
" └─TableFullScan_18 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo"
|
|
],
|
|
"Res": [
|
|
"1 1",
|
|
"2 2",
|
|
"3 3",
|
|
"<nil> <nil>"
|
|
]
|
|
}
|
|
]
|
|
},
|
|
{
|
|
"Name": "TestNaturalJoin",
|
|
"Cases": [
|
|
{
|
|
"SQL": "select * from t1 natural join t2",
|
|
"Plan": [
|
|
"HashJoin 12487.50 root inner join, equal:[eq(test.t1.a, test.t2.a)]",
|
|
"├─TableReader(Build) 9990.00 root data:Selection",
|
|
"│ └─Selection 9990.00 cop[tikv] not(isnull(test.t2.a))",
|
|
"│ └─TableFullScan 10000.00 cop[tikv] table:t2 keep order:false, stats:pseudo",
|
|
"└─TableReader(Probe) 9990.00 root data:Selection",
|
|
" └─Selection 9990.00 cop[tikv] not(isnull(test.t1.a))",
|
|
" └─TableFullScan 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo"
|
|
],
|
|
"Res": [
|
|
"0 0 0",
|
|
"1 2 3"
|
|
]
|
|
},
|
|
{
|
|
"SQL": "select * from t1 natural left join t2 order by a",
|
|
"Plan": [
|
|
"Sort 12487.50 root test.t1.a",
|
|
"└─HashJoin 12487.50 root left outer join, equal:[eq(test.t1.a, test.t2.a)]",
|
|
" ├─TableReader(Build) 9990.00 root data:Selection",
|
|
" │ └─Selection 9990.00 cop[tikv] not(isnull(test.t2.a))",
|
|
" │ └─TableFullScan 10000.00 cop[tikv] table:t2 keep order:false, stats:pseudo",
|
|
" └─TableReader(Probe) 10000.00 root data:TableFullScan",
|
|
" └─TableFullScan 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo"
|
|
],
|
|
"Res": [
|
|
"0 0 0",
|
|
"1 2 3",
|
|
"10 20 <nil>"
|
|
]
|
|
},
|
|
{
|
|
"SQL": "select * from t1 natural right join t2 order by a",
|
|
"Plan": [
|
|
"Sort 12487.50 root test.t2.a",
|
|
"└─Projection 12487.50 root test.t2.a, test.t2.c, test.t1.b",
|
|
" └─HashJoin 12487.50 root right outer join, equal:[eq(test.t1.a, test.t2.a)]",
|
|
" ├─TableReader(Build) 9990.00 root data:Selection",
|
|
" │ └─Selection 9990.00 cop[tikv] not(isnull(test.t1.a))",
|
|
" │ └─TableFullScan 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo",
|
|
" └─TableReader(Probe) 10000.00 root data:TableFullScan",
|
|
" └─TableFullScan 10000.00 cop[tikv] table:t2 keep order:false, stats:pseudo"
|
|
],
|
|
"Res": [
|
|
"0 0 0",
|
|
"1 3 2",
|
|
"100 200 <nil>"
|
|
]
|
|
},
|
|
{
|
|
"SQL": "SELECT * FROM t1 NATURAL LEFT JOIN t2 WHERE not(t1.a <=> t2.a)",
|
|
"Plan": [
|
|
"Projection 9990.00 root test.t1.a, test.t1.b, test.t2.c",
|
|
"└─Selection 9990.00 root not(nulleq(test.t1.a, test.t2.a))",
|
|
" └─HashJoin 12487.50 root left outer join, equal:[eq(test.t1.a, test.t2.a)]",
|
|
" ├─TableReader(Build) 9990.00 root data:Selection",
|
|
" │ └─Selection 9990.00 cop[tikv] not(isnull(test.t2.a))",
|
|
" │ └─TableFullScan 10000.00 cop[tikv] table:t2 keep order:false, stats:pseudo",
|
|
" └─TableReader(Probe) 10000.00 root data:TableFullScan",
|
|
" └─TableFullScan 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo"
|
|
],
|
|
"Res": [
|
|
"10 20 <nil>"
|
|
]
|
|
}
|
|
]
|
|
}
|
|
]
|