[
  {
    "Name": "TestHashPartitionPruner",
    "Cases": [
      {
        "SQL": "explain select * from t1 where id = 7 and a = 6",
        "Result": [
          "Selection_7 0.00 root  eq(test_partition.t1.a, 6)",
          "└─Point_Get_6 1.00 root table:t1, partition:p7 handle:7"
        ]
      },
      {
        "SQL": "explain select * from t3 where id = 9 and a = 1",
        "Result": [
          "Point_Get_1 1.00 root table:t3, partition:p9, index:PRIMARY(id, a) "
        ]
      },
      {
        "SQL": "explain select * from t2 where id = 9 and a = -110",
        "Result": [
          "Point_Get_6 1.00 root table:t2, partition:p1, index:PRIMARY(id, a) "
        ]
      },
      {
        "SQL": "explain select * from t1 where id = -17",
        "Result": [
          "Point_Get_6 1.00 root table:t1, partition:p7 handle:-17"
        ]
      },
      {
        "SQL": "explain select * from t2 where id = a and a = b and b = 2",
        "Result": [
          "TableReader_8 8.00 root  data:Selection_7",
          "└─Selection_7 8.00 cop[tikv]  eq(test_partition.t2.a, test_partition.t2.b), eq(test_partition.t2.b, 2), eq(test_partition.t2.id, test_partition.t2.a)",
          "  └─TableFullScan_6 10000.00 cop[tikv] table:t2, partition:p4 keep order:false, stats:pseudo"
        ]
      },
      {
        "SQL": "explain select * from t1 join t2 on (t1.id = t2.id) where t1.id = 5 and t2.a = 7",
        "Result": [
          "HashJoin_10 1.00 root  CARTESIAN inner join",
          "├─Point_Get_13(Build) 1.00 root table:t2, partition:p2, index:PRIMARY(id, a) ",
          "└─Point_Get_12(Probe) 1.00 root table:t1, partition:p5 handle:5"
        ]
      },
      {
        "SQL": "explain select * from t1 left join t2 on t1.id = 1 and t2.a = 2 where t2.id = 7",
        "Result": [
          "HashJoin_10 1.00 root  CARTESIAN inner join",
          "├─Point_Get_13(Build) 1.00 root table:t2, partition:p9, index:PRIMARY(id, a) ",
          "└─Point_Get_12(Probe) 1.00 root table:t1, partition:p1 handle:1"
        ]
      },
      {
        "SQL": "explain select * from t2 join t1 on t1.id = t2.id and t2.a = t1.id and t2.id = 12",
        "Result": [
          "HashJoin_9 1.00 root  CARTESIAN inner join",
          "├─Point_Get_12(Build) 1.00 root table:t1, partition:p2 handle:12",
          "└─Point_Get_11(Probe) 1.00 root table:t2, partition:p4, index:PRIMARY(id, a) "
        ]
      },
      {
        "SQL": "explain select * from t1 left join t2 on true where t1.a = 1 and false",
        "Result": [
          "TableDual_8 0.00 root  rows:0"
        ]
      },
      {
        "SQL": "explain select * from t1 left join t2 on true where t1.a = 1 and null",
        "Result": [
          "TableDual_8 0.00 root  rows:0"
        ]
      },
      {
        "SQL": "explain select * from t1 left join t2 on true where t1.a = null",
        "Result": [
          "TableDual_8 0.00 root  rows:0"
        ]
      },
      {
        "SQL": "explain select * from t4 where d = '2019-10-07 10:40:00' and a = 1",
        "Result": [
          "Point_Get_6 1.00 root table:t4, partition:p9, index:PRIMARY(d, a) "
        ]
      },
      {
        "SQL": "explain select * from t5 where d = '2019-10-07'",
        "Result": [
          "IndexLookUp_11 10.00 root  ",
          "├─IndexRangeScan_9(Build) 10.00 cop[tikv] table:t5, partition:p0, index:PRIMARY(d, a) range:[2019-10-07,2019-10-07], keep order:false, stats:pseudo",
          "└─TableRowIDScan_10(Probe) 10.00 cop[tikv] table:t5, partition:p0 keep order:false, stats:pseudo"
        ]
      },
      {
        "SQL": "explain select * from t6 where a is null",
        "Result": [
          "TableReader_8 10.00 root  data:Selection_7",
          "└─Selection_7 10.00 cop[tikv]  isnull(test_partition.t6.a)",
          "  └─TableFullScan_6 10000.00 cop[tikv] table:t6, partition:p0 keep order:false, stats:pseudo"
        ]
      },
      {
        "SQL": "explain select * from t6 where b is null",
        "Result": [
          "PartitionUnion_9 30.00 root  ",
          "├─TableReader_12 10.00 root  data:Selection_11",
          "│ └─Selection_11 10.00 cop[tikv]  isnull(test_partition.t6.b)",
          "│   └─TableFullScan_10 10000.00 cop[tikv] table:t6, partition:p0 keep order:false, stats:pseudo",
          "├─TableReader_15 10.00 root  data:Selection_14",
          "│ └─Selection_14 10.00 cop[tikv]  isnull(test_partition.t6.b)",
          "│   └─TableFullScan_13 10000.00 cop[tikv] table:t6, partition:p1 keep order:false, stats:pseudo",
          "└─TableReader_18 10.00 root  data:Selection_17",
          "  └─Selection_17 10.00 cop[tikv]  isnull(test_partition.t6.b)",
          "    └─TableFullScan_16 10000.00 cop[tikv] table:t6, partition:p2 keep order:false, stats:pseudo"
        ]
      },
      {
        "SQL": "explain select * from t5 where d is null",
        "Result": [
          "TableDual_6 0.00 root  rows:0"
        ]
      },
      {
        "SQL": "explain select * from t7 where b = -3 and a is null",
        "Result": [
          "TableReader_8 0.01 root  data:Selection_7",
          "└─Selection_7 0.01 cop[tikv]  eq(test_partition.t7.b, -3), isnull(test_partition.t7.a)",
          "  └─TableFullScan_6 10000.00 cop[tikv] table:t7, partition:p0 keep order:false, stats:pseudo"
        ]
      }
    ]
  }
]