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take_multiple_records_test.go
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take_multiple_records_test.go
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package arrowops
import (
"errors"
"fmt"
"testing"
"github.com/apache/arrow/go/v17/arrow"
"github.com/apache/arrow/go/v17/arrow/array"
"github.com/apache/arrow/go/v17/arrow/memory"
)
func TestTakeMultipleRecords(t *testing.T) {
mem := memory.NewGoAllocator()
testCases := []struct {
caseName string
records []arrow.Record
takeIndices arrow.Record
expectedRecord arrow.Record
expectedErr error
}{
{
caseName: "case_0",
records: func() []arrow.Record {
rb1 := array.NewRecordBuilder(mem, arrow.NewSchema(
[]arrow.Field{
{Name: "a", Type: arrow.PrimitiveTypes.Uint32},
{Name: "b", Type: arrow.PrimitiveTypes.Float32},
{Name: "c", Type: arrow.BinaryTypes.String},
}, nil))
defer rb1.Release()
rb1.Field(0).(*array.Uint32Builder).AppendValues([]uint32{0, 1, 2}, nil)
rb1.Field(1).(*array.Float32Builder).AppendValues([]float32{0., 1., 2.}, nil)
rb1.Field(2).(*array.StringBuilder).AppendValues([]string{"s0", "s1", "s2"}, nil)
rb2 := array.NewRecordBuilder(mem, arrow.NewSchema(
[]arrow.Field{
{Name: "a", Type: arrow.PrimitiveTypes.Uint32},
{Name: "b", Type: arrow.PrimitiveTypes.Float32},
{Name: "c", Type: arrow.BinaryTypes.String},
}, nil))
defer rb2.Release()
rb2.Field(0).(*array.Uint32Builder).AppendValues([]uint32{3, 4, 5}, nil)
rb2.Field(1).(*array.Float32Builder).AppendValues([]float32{3., 4., 5.}, nil)
rb2.Field(2).(*array.StringBuilder).AppendValues([]string{"s3", "s4", "s5"}, nil)
return []arrow.Record{rb1.NewRecord(), rb2.NewRecord()}
}(),
takeIndices: func() arrow.Record {
rb1 := array.NewRecordBuilder(mem, arrow.NewSchema(
[]arrow.Field{
{Name: "record", Type: arrow.PrimitiveTypes.Uint32},
{Name: "recordIdx", Type: arrow.PrimitiveTypes.Uint32},
}, nil))
defer rb1.Release()
rb1.Field(0).(*array.Uint32Builder).AppendValues([]uint32{1, 1, 0}, nil)
rb1.Field(1).(*array.Uint32Builder).AppendValues([]uint32{0, 1, 2}, nil)
return rb1.NewRecord()
}(),
expectedRecord: func() arrow.Record {
rb1 := array.NewRecordBuilder(mem, arrow.NewSchema(
[]arrow.Field{
{Name: "a", Type: arrow.PrimitiveTypes.Uint32},
{Name: "b", Type: arrow.PrimitiveTypes.Float32},
{Name: "c", Type: arrow.BinaryTypes.String},
}, nil))
defer rb1.Release()
rb1.Field(0).(*array.Uint32Builder).AppendValues([]uint32{3, 4, 2}, nil)
rb1.Field(1).(*array.Float32Builder).AppendValues([]float32{3., 4., 2.}, nil)
rb1.Field(2).(*array.StringBuilder).AppendValues([]string{"s3", "s4", "s2"}, nil)
return rb1.NewRecord()
}(),
expectedErr: nil,
},
{
caseName: "case_1",
records: func() []arrow.Record {
rb1 := array.NewRecordBuilder(mem, arrow.NewSchema(
[]arrow.Field{
{Name: "a", Type: arrow.PrimitiveTypes.Uint32},
{Name: "b", Type: arrow.PrimitiveTypes.Float32},
{Name: "c", Type: arrow.BinaryTypes.String},
}, nil))
defer rb1.Release()
rb1.Field(0).(*array.Uint32Builder).AppendValues([]uint32{0, 1, 2}, nil)
rb1.Field(1).(*array.Float32Builder).AppendValues([]float32{0., 1., 2.}, nil)
rb1.Field(2).(*array.StringBuilder).AppendValues([]string{"s0", "s1", "s2"}, nil)
rb2 := array.NewRecordBuilder(mem, arrow.NewSchema(
[]arrow.Field{
{Name: "a", Type: arrow.PrimitiveTypes.Uint32},
{Name: "b", Type: arrow.PrimitiveTypes.Float32},
{Name: "c", Type: arrow.BinaryTypes.String},
}, nil))
defer rb2.Release()
rb2.Field(0).(*array.Uint32Builder).AppendValues([]uint32{3, 4, 5}, nil)
rb2.Field(1).(*array.Float32Builder).AppendValues([]float32{3., 4., 5.}, nil)
rb2.Field(2).(*array.StringBuilder).AppendValues([]string{"s3", "s4", "s5"}, nil)
return []arrow.Record{rb1.NewRecord(), rb2.NewRecord()}
}(),
takeIndices: func() arrow.Record {
rb1 := array.NewRecordBuilder(mem, arrow.NewSchema(
[]arrow.Field{
{Name: "record", Type: arrow.PrimitiveTypes.Uint32},
{Name: "recordIdx", Type: arrow.PrimitiveTypes.Uint32},
}, nil))
defer rb1.Release()
rb1.Field(0).(*array.Uint32Builder).AppendValues([]uint32{0, 1, 0}, nil)
rb1.Field(1).(*array.Uint32Builder).AppendValues([]uint32{2, 0, 1}, nil)
return rb1.NewRecord()
}(),
expectedRecord: func() arrow.Record {
rb1 := array.NewRecordBuilder(mem, arrow.NewSchema(
[]arrow.Field{
{Name: "a", Type: arrow.PrimitiveTypes.Uint32},
{Name: "b", Type: arrow.PrimitiveTypes.Float32},
{Name: "c", Type: arrow.BinaryTypes.String},
}, nil))
defer rb1.Release()
rb1.Field(0).(*array.Uint32Builder).AppendValues([]uint32{2, 3, 1}, nil)
rb1.Field(1).(*array.Float32Builder).AppendValues([]float32{2., 3., 1.}, nil)
rb1.Field(2).(*array.StringBuilder).AppendValues([]string{"s2", "s3", "s1"}, nil)
return rb1.NewRecord()
}(),
expectedErr: nil,
},
{
caseName: "case_2",
records: func() []arrow.Record {
rb1 := array.NewRecordBuilder(mem, arrow.NewSchema(
[]arrow.Field{
{Name: "a", Type: arrow.PrimitiveTypes.Uint32},
{Name: "b", Type: arrow.PrimitiveTypes.Float32},
{Name: "c", Type: arrow.BinaryTypes.String},
}, nil))
defer rb1.Release()
rb1.Field(0).(*array.Uint32Builder).AppendValues([]uint32{0, 1, 2}, nil)
rb1.Field(1).(*array.Float32Builder).AppendValues([]float32{0., 1., 2.}, nil)
rb1.Field(2).(*array.StringBuilder).AppendValues([]string{"s0", "s1", "s2"}, nil)
rb2 := array.NewRecordBuilder(mem, arrow.NewSchema(
[]arrow.Field{
{Name: "a", Type: arrow.PrimitiveTypes.Uint32},
{Name: "b", Type: arrow.PrimitiveTypes.Float32},
{Name: "c", Type: arrow.BinaryTypes.String},
}, nil))
defer rb2.Release()
rb2.Field(0).(*array.Uint32Builder).AppendValues([]uint32{3, 4, 5}, nil)
rb2.Field(1).(*array.Float32Builder).AppendValues([]float32{3., 4., 5.}, nil)
rb2.Field(2).(*array.StringBuilder).AppendValues([]string{"s3", "s4", "s5"}, nil)
return []arrow.Record{rb1.NewRecord(), rb2.NewRecord()}
}(),
takeIndices: func() arrow.Record {
rb1 := array.NewRecordBuilder(mem, arrow.NewSchema(
[]arrow.Field{
{Name: "record", Type: arrow.PrimitiveTypes.Uint32},
{Name: "recordIdx", Type: arrow.PrimitiveTypes.Uint32},
}, nil))
defer rb1.Release()
rb1.Field(0).(*array.Uint32Builder).AppendValues([]uint32{0, 1, 2}, nil)
rb1.Field(1).(*array.Uint32Builder).AppendValues([]uint32{0, 0, 2}, nil)
return rb1.NewRecord()
}(),
expectedRecord: nil,
expectedErr: ErrIndexOutOfBounds,
},
{
caseName: "case_3",
records: func() []arrow.Record {
rb1 := array.NewRecordBuilder(mem, arrow.NewSchema(
[]arrow.Field{
{Name: "a", Type: arrow.PrimitiveTypes.Uint32},
{Name: "b", Type: arrow.PrimitiveTypes.Float32},
{Name: "c", Type: arrow.BinaryTypes.String},
}, nil))
defer rb1.Release()
rb1.Field(0).(*array.Uint32Builder).AppendValues([]uint32{0, 1, 2}, nil)
rb1.Field(1).(*array.Float32Builder).AppendValues([]float32{0., 1., 2.}, nil)
rb1.Field(2).(*array.StringBuilder).AppendValues([]string{"s0", "s1", "s2"}, nil)
rb2 := array.NewRecordBuilder(mem, arrow.NewSchema(
[]arrow.Field{
{Name: "a", Type: arrow.PrimitiveTypes.Uint32},
{Name: "b", Type: arrow.PrimitiveTypes.Float32},
{Name: "c", Type: arrow.BinaryTypes.String},
}, nil))
defer rb2.Release()
rb2.Field(0).(*array.Uint32Builder).AppendValues([]uint32{3, 4, 5}, nil)
rb2.Field(1).(*array.Float32Builder).AppendValues([]float32{3., 4., 5.}, nil)
rb2.Field(2).(*array.StringBuilder).AppendValues([]string{"s3", "s4", "s5"}, nil)
return []arrow.Record{rb1.NewRecord(), rb2.NewRecord()}
}(),
takeIndices: func() arrow.Record {
rb1 := array.NewRecordBuilder(mem, arrow.NewSchema(
[]arrow.Field{
{Name: "record", Type: arrow.PrimitiveTypes.Uint32},
{Name: "recordIdx", Type: arrow.PrimitiveTypes.Uint32},
}, nil))
defer rb1.Release()
rb1.Field(0).(*array.Uint32Builder).AppendValues([]uint32{0, 1, 1}, nil)
rb1.Field(1).(*array.Uint32Builder).AppendValues([]uint32{0, 0, 8}, nil)
return rb1.NewRecord()
}(),
expectedRecord: nil,
expectedErr: ErrIndexOutOfBounds,
},
{
caseName: "case_4",
records: func() []arrow.Record {
rb1 := array.NewRecordBuilder(mem, arrow.NewSchema(
[]arrow.Field{
{Name: "a", Type: arrow.PrimitiveTypes.Uint32},
{Name: "b", Type: arrow.PrimitiveTypes.Float32},
{Name: "c", Type: arrow.BinaryTypes.String},
}, nil))
defer rb1.Release()
rb1.Field(0).(*array.Uint32Builder).AppendValues([]uint32{0, 1, 2}, nil)
rb1.Field(1).(*array.Float32Builder).AppendValues([]float32{0., 1., 2.}, nil)
rb1.Field(2).(*array.StringBuilder).AppendValues([]string{"s0", "s1", "s2"}, nil)
return []arrow.Record{rb1.NewRecord()}
}(),
takeIndices: func() arrow.Record {
rb1 := array.NewRecordBuilder(mem, arrow.NewSchema(
[]arrow.Field{
{Name: "record", Type: arrow.PrimitiveTypes.Uint32},
{Name: "recordIdx", Type: arrow.PrimitiveTypes.Uint32},
}, nil))
defer rb1.Release()
return rb1.NewRecord()
}(),
expectedRecord: func() arrow.Record {
rb1 := array.NewRecordBuilder(mem, arrow.NewSchema(
[]arrow.Field{
{Name: "a", Type: arrow.PrimitiveTypes.Uint32},
{Name: "b", Type: arrow.PrimitiveTypes.Float32},
{Name: "c", Type: arrow.BinaryTypes.String},
}, nil))
defer rb1.Release()
return rb1.NewRecord()
}(),
expectedErr: nil,
},
{
caseName: "case_5",
records: func() []arrow.Record {
rb1 := array.NewRecordBuilder(mem, arrow.NewSchema(
[]arrow.Field{
{Name: "a", Type: arrow.PrimitiveTypes.Uint32},
{Name: "b", Type: arrow.PrimitiveTypes.Float32},
{Name: "c", Type: arrow.BinaryTypes.String},
}, nil))
defer rb1.Release()
rb1.Field(0).(*array.Uint32Builder).AppendValues([]uint32{0, 1, 2}, nil)
rb1.Field(1).(*array.Float32Builder).AppendValues([]float32{0., 1., 2.}, nil)
rb1.Field(2).(*array.StringBuilder).AppendValues([]string{"s0", "s1", "s2"}, nil)
return []arrow.Record{rb1.NewRecord()}
}(),
takeIndices: func() arrow.Record {
rb1 := array.NewRecordBuilder(mem, arrow.NewSchema(
[]arrow.Field{
{Name: "record", Type: arrow.PrimitiveTypes.Uint32},
{Name: "recordIdx", Type: arrow.PrimitiveTypes.Uint32},
}, nil))
defer rb1.Release()
rb1.Field(0).(*array.Uint32Builder).AppendValues([]uint32{0, 0, 0}, []bool{true, false, true})
rb1.Field(1).(*array.Uint32Builder).AppendValues([]uint32{0, 0, 1}, []bool{true, false, true})
return rb1.NewRecord()
}(),
expectedRecord: func() arrow.Record {
rb1 := array.NewRecordBuilder(mem, arrow.NewSchema(
[]arrow.Field{
{Name: "a", Type: arrow.PrimitiveTypes.Uint32},
{Name: "b", Type: arrow.PrimitiveTypes.Float32},
{Name: "c", Type: arrow.BinaryTypes.String},
}, nil))
defer rb1.Release()
return rb1.NewRecord()
}(),
expectedErr: ErrNullValuesNotAllowed,
},
}
for idx, testCase := range testCases {
t.Run(fmt.Sprintf("case_%d", idx), func(t *testing.T) {
result, err := TakeMultipleRecords(mem, testCase.records, testCase.takeIndices)
if !errors.Is(err, testCase.expectedErr) {
t.Fatalf("expected error '%s' but received '%s'", testCase.expectedErr, err)
}
if (testCase.expectedRecord == nil && result != nil) ||
(result != nil && !array.RecordEqual(testCase.expectedRecord, result)) {
t.Log("expected record: ", testCase.expectedRecord)
t.Log("result record: ", result)
t.Error("result record does not match the expected record")
}
})
}
}