func makeMapsRecords()

in arrow/internal/arrdata/arrdata.go [701:821]
117 lines of code
4 McCabe index (conditional complexity)

func makeMapsRecords() []array.Record {
	mem := memory.NewGoAllocator()
	dtype := arrow.MapOf(arrow.PrimitiveTypes.Int32, arrow.BinaryTypes.String)
	dtype.KeysSorted = true
	schema := arrow.NewSchema([]arrow.Field{{Name: "map_int_utf8", Type: dtype, Nullable: true}}, nil)

	mask := []bool{true, false, false, true, true}
	chunks := [][]array.Interface{
		{
			mapOf(mem, dtype.KeysSorted, []array.Interface{
				structOf(mem, dtype.ValueType(), [][]array.Interface{
					{
						arrayOf(mem, []int32{-1, -2, -3, -4, -5}, nil),
						arrayOf(mem, []string{"111", "222", "333", "444", "555"}, mask[:5]),
					},
					{
						arrayOf(mem, []int32{-1, -2, -3, -4, -5}, nil),
						arrayOf(mem, []string{"1111", "1222", "1333", "1444", "1555"}, mask[:5]),
					},
					{
						arrayOf(mem, []int32{-1, -2, -3, -4, -5}, nil),
						arrayOf(mem, []string{"2111", "2222", "2333", "2444", "2555"}, mask[:5]),
					},
					{
						arrayOf(mem, []int32{-1, -2, -3, -4, -5}, nil),
						arrayOf(mem, []string{"3111", "3222", "3333", "3444", "3555"}, mask[:5]),
					},
					{
						arrayOf(mem, []int32{-1, -2, -3, -4, -5}, nil),
						arrayOf(mem, []string{"4111", "4222", "4333", "4444", "4555"}, mask[:5]),
					},
				}, nil),
				structOf(mem, dtype.ValueType(), [][]array.Interface{
					{
						arrayOf(mem, []int32{1, 2, 3, 4, 5}, nil),
						arrayOf(mem, []string{"-111", "-222", "-333", "-444", "-555"}, mask[:5]),
					},
					{
						arrayOf(mem, []int32{1, 2, 3, 4, 5}, nil),
						arrayOf(mem, []string{"-1111", "-1222", "-1333", "-1444", "-1555"}, mask[:5]),
					},
					{
						arrayOf(mem, []int32{1, 2, 3, 4, 5}, nil),
						arrayOf(mem, []string{"-2111", "-2222", "-2333", "-2444", "-2555"}, mask[:5]),
					},
					{
						arrayOf(mem, []int32{1, 2, 3, 4, 5}, nil),
						arrayOf(mem, []string{"-3111", "-3222", "-3333", "-3444", "-3555"}, mask[:5]),
					},
					{
						arrayOf(mem, []int32{1, 2, 3, 4, 5}, nil),
						arrayOf(mem, []string{"-4111", "-4222", "-4333", "-4444", "-4555"}, mask[:5]),
					},
				}, nil),
			}, []bool{true, false, true, true, true}),
		},
		{
			mapOf(mem, dtype.KeysSorted, []array.Interface{
				structOf(mem, dtype.ValueType(), [][]array.Interface{
					{
						arrayOf(mem, []int32{1, 2, 3, 4, 5}, nil),
						arrayOf(mem, []string{"-111", "-222", "-333", "-444", "-555"}, mask[:5]),
					},
					{
						arrayOf(mem, []int32{1, 2, 3, 4, 5}, nil),
						arrayOf(mem, []string{"-1111", "-1222", "-1333", "-1444", "-1555"}, mask[:5]),
					},
					{
						arrayOf(mem, []int32{1, 2, 3, 4, 5}, nil),
						arrayOf(mem, []string{"-2111", "-2222", "-2333", "-2444", "-2555"}, mask[:5]),
					},
					{
						arrayOf(mem, []int32{1, 2, 3, 4, 5}, nil),
						arrayOf(mem, []string{"-3111", "-3222", "-3333", "-3444", "-3555"}, mask[:5]),
					},
					{
						arrayOf(mem, []int32{1, 2, 3, 4, 5}, nil),
						arrayOf(mem, []string{"-4111", "-4222", "-4333", "-4444", "-4555"}, mask[:5]),
					},
				}, nil),
				structOf(mem, dtype.ValueType(), [][]array.Interface{
					{
						arrayOf(mem, []int32{-1, -2, -3, -4, -5}, nil),
						arrayOf(mem, []string{"111", "222", "333", "444", "555"}, mask[:5]),
					},
					{
						arrayOf(mem, []int32{-1, -2, -3, -4, -5}, nil),
						arrayOf(mem, []string{"1111", "1222", "1333", "1444", "1555"}, mask[:5]),
					},
					{
						arrayOf(mem, []int32{-1, -2, -3, -4, -5}, nil),
						arrayOf(mem, []string{"2111", "2222", "2333", "2444", "2555"}, mask[:5]),
					},
					{
						arrayOf(mem, []int32{-1, -2, -3, -4, -5}, nil),
						arrayOf(mem, []string{"3111", "3222", "3333", "3444", "3555"}, mask[:5]),
					},
					{
						arrayOf(mem, []int32{-1, -2, -3, -4, -5}, nil),
						arrayOf(mem, []string{"4111", "4222", "4333", "4444", "4555"}, mask[:5]),
					},
				}, nil),
			}, []bool{true, false, true, true, true}),
		},
	}

	defer func() {
		for _, chunk := range chunks {
			for _, col := range chunk {
				col.Release()
			}
		}
	}()

	recs := make([]array.Record, len(chunks))
	for i, chunk := range chunks {
		recs[i] = array.NewRecord(schema, chunk, -1)
	}

	return recs
}