zeroshade commented on code in PR #13806:
URL: https://github.com/apache/arrow/pull/13806#discussion_r940388621
##########
go/arrow/internal/arrdata/arrdata.go:
##########
@@ -935,6 +935,64 @@ func makeExtensionRecords() []arrow.Record {
return recs
}
+func makeUnionRecords() []arrow.Record {
+ mem := memory.NewGoAllocator()
+
+ unionFields := []arrow.Field{
+ {Name: "u0", Type: arrow.PrimitiveTypes.Int32, Nullable: true},
+ {Name: "u1", Type: arrow.PrimitiveTypes.Uint8, Nullable: true},
+ }
+
+ typeCodes := []arrow.UnionTypeCode{5, 10}
+ sparseType := arrow.SparseUnionOf(unionFields, typeCodes)
+ denseType := arrow.DenseUnionOf(unionFields, typeCodes)
+
+ schema := arrow.NewSchema([]arrow.Field{
+ {Name: "sparse", Type: sparseType, Nullable: true},
+ {Name: "dense", Type: denseType, Nullable: true},
+ }, nil)
+
+ sparseChildren := make([]arrow.Array, 4)
+ denseChildren := make([]arrow.Array, 4)
+
+ const length = 7
+
+ typeIDsBuffer :=
memory.NewBufferBytes(arrow.Uint8Traits.CastToBytes([]uint8{5, 10, 5, 5, 10,
10, 5}))
+ sparseChildren[0] = arrayOf(mem, []int32{0, 1, 2, 3, 4, 5, 6}, nil)
+ defer sparseChildren[0].Release()
+ sparseChildren[1] = arrayOf(mem, []uint8{10, 11, 12, 13, 14, 15, 16},
nil)
+ defer sparseChildren[1].Release()
+ sparseChildren[2] = arrayOf(mem, []int32{0, -1, -2, -3, -4, -5, -6},
nil)
+ defer sparseChildren[2].Release()
+ sparseChildren[3] = arrayOf(mem, []uint8{100, 101, 102, 103, 104, 105,
106}, nil)
+ defer sparseChildren[3].Release()
+
+ denseChildren[0] = arrayOf(mem, []int32{0, 2, 3, 7}, nil)
+ defer denseChildren[0].Release()
+ denseChildren[1] = arrayOf(mem, []uint8{11, 14, 15}, nil)
+ defer denseChildren[1].Release()
+ denseChildren[2] = arrayOf(mem, []int32{0, -2, -3, -7}, nil)
+ defer denseChildren[2].Release()
+ denseChildren[3] = arrayOf(mem, []uint8{101, 104, 105}, nil)
+ defer denseChildren[3].Release()
Review Comment:
nulls added
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