[
  {
    "Name": "TestSetOperation",
    "Cases": [
      {
        "SQL": "select * from t3 union select * from t1",
        "Plan": [
          "HashAgg_11 16000.00 root  group by:Column#5, funcs:firstrow(Column#5)->Column#5",
          "└─Union_12 20000.00 root  ",
          "  ├─TableReader_15 10000.00 root  data:TableFullScan_14",
          "  │ └─TableFullScan_14 10000.00 cop[tikv] table:t3 keep order:false, stats:pseudo",
          "  └─TableReader_18 10000.00 root  data:TableFullScan_17",
          "    └─TableFullScan_17 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo"
        ],
        "Res": [
          "1",
          "2",
          "3",
          "<nil>"
        ]
      },
      {
        "SQL": "select * from t2 union all select * from t1",
        "Plan": [
          "Union_8 20000.00 root  ",
          "├─TableReader_11 10000.00 root  data:TableFullScan_10",
          "│ └─TableFullScan_10 10000.00 cop[tikv] table:t2 keep order:false, stats:pseudo",
          "└─TableReader_14 10000.00 root  data:TableFullScan_13",
          "  └─TableFullScan_13 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo"
        ],
        "Res": [
          "1",
          "1",
          "1",
          "2",
          "2",
          "3",
          "<nil>",
          "<nil>",
          "<nil>"
        ]
      },
      {
        "SQL": "select * from t1 except select * from t3",
        "Plan": [
          "HashJoin_7 6400.00 root  anti semi join, equal:[nulleq(test.t1.a, test.t3.a)]",
          "├─TableReader_18(Build) 10000.00 root  data:TableFullScan_17",
          "│ └─TableFullScan_17 10000.00 cop[tikv] table:t3 keep order:false, stats:pseudo",
          "└─HashAgg_10(Probe) 8000.00 root  group by:test.t1.a, funcs:firstrow(test.t1.a)->test.t1.a",
          "  └─TableReader_15 10000.00 root  data:TableFullScan_14",
          "    └─TableFullScan_14 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo"
        ],
        "Res": [
          "1",
          "<nil>"
        ]
      },
      {
        "SQL": "select * from t1 intersect select * from t2",
        "Plan": [
          "HashJoin_7 6400.00 root  semi join, equal:[nulleq(test.t1.a, test.t2.a)]",
          "├─TableReader_18(Build) 10000.00 root  data:TableFullScan_17",
          "│ └─TableFullScan_17 10000.00 cop[tikv] table:t2 keep order:false, stats:pseudo",
          "└─HashAgg_10(Probe) 8000.00 root  group by:test.t1.a, funcs:firstrow(test.t1.a)->test.t1.a",
          "  └─TableReader_15 10000.00 root  data:TableFullScan_14",
          "    └─TableFullScan_14 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo"
        ],
        "Res": [
          "1",
          "2",
          "<nil>"
        ]
      },
      {
        "SQL": "select * from t1 union all select * from t2 union all select * from t3",
        "Plan": [
          "Union_11 30000.00 root  ",
          "├─TableReader_14 10000.00 root  data:TableFullScan_13",
          "│ └─TableFullScan_13 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo",
          "├─TableReader_17 10000.00 root  data:TableFullScan_16",
          "│ └─TableFullScan_16 10000.00 cop[tikv] table:t2 keep order:false, stats:pseudo",
          "└─TableReader_20 10000.00 root  data:TableFullScan_19",
          "  └─TableFullScan_19 10000.00 cop[tikv] table:t3 keep order:false, stats:pseudo"
        ],
        "Res": [
          "1",
          "1",
          "1",
          "2",
          "2",
          "2",
          "3",
          "3",
          "<nil>",
          "<nil>",
          "<nil>"
        ]
      },
      {
        "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#7, test.t3.a)]",
          "├─TableReader_25(Build) 10000.00 root  data:TableFullScan_24",
          "│ └─TableFullScan_24 10000.00 cop[tikv] table:t3 keep order:false, stats:pseudo",
          "└─HashAgg_15(Probe) 16000.00 root  group by:Column#7, funcs:firstrow(Column#7)->Column#7",
          "  └─Union_16 20000.00 root  ",
          "    ├─TableReader_19 10000.00 root  data:TableFullScan_18",
          "    │ └─TableFullScan_18 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo",
          "    └─TableReader_22 10000.00 root  data:TableFullScan_21",
          "      └─TableFullScan_21 10000.00 cop[tikv] table:t2 keep order:false, stats:pseudo"
        ],
        "Res": [
          "1",
          "<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)]",
          "├─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)]",
          "  ├─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, funcs:firstrow(test.t1.a)->test.t1.a",
          "    └─TableReader_22 10000.00 root  data:TableFullScan_21",
          "      └─TableFullScan_21 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo"
        ],
        "Res": [
          "1",
          "2",
          "<nil>"
        ]
      },
      {
        "SQL": "select * from t1 union all select * from t2 intersect select * from t3",
        "Plan": [
          "Union_12 16400.00 root  ",
          "├─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)]",
          "  ├─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, funcs:firstrow(test.t2.a)->test.t2.a",
          "    └─TableReader_25 10000.00 root  data:TableFullScan_24",
          "      └─TableFullScan_24 10000.00 cop[tikv] table:t2 keep order:false, stats:pseudo"
        ],
        "Res": [
          "1",
          "1",
          "2",
          "2",
          "3",
          "<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)]",
          "├─HashJoin_20(Build) 6400.00 root  semi join, equal:[nulleq(test.t2.a, test.t3.a)]",
          "│ ├─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, funcs:firstrow(test.t2.a)->test.t2.a",
          "│   └─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, funcs:firstrow(test.t1.a)->test.t1.a",
          "  └─TableReader_19 10000.00 root  data:TableFullScan_18",
          "    └─TableFullScan_18 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo"
        ],
        "Res": [
          "1",
          "3",
          "<nil>"
        ]
      }
    ]
  },
  {
    "Name": "TestSetOperationOnDiffColType",
    "Cases": [
      {
        "SQL": "select * from t3 union select * from t1",
        "Plan": [
          "HashAgg_11 16000.00 root  group by:Column#7, Column#8, funcs:firstrow(Column#7)->Column#7, funcs:firstrow(Column#8)->Column#8",
          "└─Union_12 20000.00 root  ",
          "  ├─TableReader_15 10000.00 root  data:TableFullScan_14",
          "  │ └─TableFullScan_14 10000.00 cop[tikv] table:t3 keep order:false, stats:pseudo",
          "  └─Projection_16 10000.00 root  test.t1.a, cast(test.t1.b, decimal(30,10) BINARY)->Column#8",
          "    └─TableReader_18 10000.00 root  data:TableFullScan_17",
          "      └─TableFullScan_17 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo"
        ],
        "Res": [
          "1 1.0000000000",
          "2 2.0000000000",
          "2 2.1000000000",
          "3 3.0000000000",
          "<nil> <nil>"
        ]
      },
      {
        "SQL": "select * from t2 union all select * from t1",
        "Plan": [
          "Union_8 20000.00 root  ",
          "├─TableReader_11 10000.00 root  data:TableFullScan_10",
          "│ └─TableFullScan_10 10000.00 cop[tikv] table:t2 keep order:false, stats:pseudo",
          "└─Projection_12 10000.00 root  test.t1.a, cast(test.t1.b, varchar(20) BINARY CHARACTER SET utf8mb4 COLLATE utf8mb4_bin)->Column#8",
          "  └─TableReader_14 10000.00 root  data:TableFullScan_13",
          "    └─TableFullScan_13 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo"
        ],
        "Res": [
          "1 1",
          "1 1",
          "1 1",
          "2 2",
          "2 2",
          "3 3",
          "<nil> 3",
          "<nil> <nil>",
          "<nil> <nil>"
        ]
      },
      {
        "SQL": "select * from t1 except select * from t3",
        "Plan": [
          "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)",
          "├─TableReader_18(Build) 10000.00 root  data:TableFullScan_17",
          "│ └─TableFullScan_17 10000.00 cop[tikv] table:t3 keep order:false, stats:pseudo",
          "└─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",
          "  └─TableReader_15 10000.00 root  data:TableFullScan_14",
          "    └─TableFullScan_14 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo"
        ],
        "Res": [
          "1 1",
          "2 2",
          "<nil> <nil>"
        ]
      },
      {
        "SQL": "select * from t1 intersect select * from t2",
        "Plan": [
          "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))",
          "├─TableReader_18(Build) 10000.00 root  data:TableFullScan_17",
          "│ └─TableFullScan_17 10000.00 cop[tikv] table:t2 keep order:false, stats:pseudo",
          "└─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",
          "  └─TableReader_15 10000.00 root  data:TableFullScan_14",
          "    └─TableFullScan_14 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 union all select * from t3",
        "Plan": [
          "Union_11 30000.00 root  ",
          "├─Projection_12 10000.00 root  test.t1.a, cast(test.t1.b, varbinary(30) BINARY)->Column#11",
          "│ └─TableReader_14 10000.00 root  data:TableFullScan_13",
          "│   └─TableFullScan_13 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo",
          "├─Projection_15 10000.00 root  test.t2.a, cast(test.t2.b, varbinary(30) BINARY)->Column#11",
          "│ └─TableReader_17 10000.00 root  data:TableFullScan_16",
          "│   └─TableFullScan_16 10000.00 cop[tikv] table:t2 keep order:false, stats:pseudo",
          "└─Projection_18 10000.00 root  test.t3.a, cast(test.t3.b, varbinary(30) BINARY)->Column#11",
          "  └─TableReader_20 10000.00 root  data:TableFullScan_19",
          "    └─TableFullScan_19 10000.00 cop[tikv] table:t3 keep order:false, stats:pseudo"
        ],
        "Res": [
          "1 1",
          "1 1",
          "1 1",
          "2 2",
          "2 2",
          "2 2.1000000000",
          "3 3",
          "3 3.0000000000",
          "<nil> 3",
          "<nil> <nil>",
          "<nil> <nil>"
        ]
      },
      {
        "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_25(Build) 10000.00 root  data:TableFullScan_24",
          "│ └─TableFullScan_24 10000.00 cop[tikv] table:t3 keep order:false, stats:pseudo",
          "└─HashAgg_15(Probe) 16000.00 root  group by:Column#10, Column#11, funcs:firstrow(Column#10)->Column#10, funcs:firstrow(Column#11)->Column#11",
          "  └─Union_16 20000.00 root  ",
          "    ├─Projection_17 10000.00 root  test.t1.a, cast(test.t1.b, varbinary(20))->Column#11",
          "    │ └─TableReader_19 10000.00 root  data:TableFullScan_18",
          "    │   └─TableFullScan_18 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo",
          "    └─Projection_20 10000.00 root  test.t2.a, cast(test.t2.b, varbinary(20))->Column#11",
          "      └─TableReader_22 10000.00 root  data:TableFullScan_21",
          "        └─TableFullScan_21 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, varbinary(20))->Column#11",
          "│ └─TableReader_15 10000.00 root  data:TableFullScan_14",
          "│   └─TableFullScan_14 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo",
          "└─Projection_16 6400.00 root  test.t2.a, cast(test.t2.b, varbinary(20))->Column#11",
          "  └─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>"
        ]
      }
    ]
  }
]