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evanphxevanphx
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Merge pull request #141 from kacejot/preserve-nulls
MergeMergePatches preserve nulls in complex objects
2 parents 0cc7ddb + 10a1c0a commit 3e2cfc0

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4 files changed

+33
-16
lines changed

4 files changed

+33
-16
lines changed

‎merge.go‎

Lines changed: 4 additions & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -38,7 +38,10 @@ func mergeDocs(doc, patch *partialDoc, mergeMerge bool) {
3838
cur, ok := (*doc)[k]
3939

4040
if !ok || cur == nil {
41-
pruneNulls(v)
41+
if !mergeMerge {
42+
pruneNulls(v)
43+
}
44+
4245
(*doc)[k] = v
4346
} else {
4447
(*doc)[k] = merge(cur, v, mergeMerge)

‎merge_test.go‎

Lines changed: 13 additions & 7 deletions
Original file line numberDiff line numberDiff line change
@@ -479,7 +479,7 @@ func createNestedMap(m map[string]interface{}, depth int, objectCount *int) {
479479
if depth == 0 {
480480
return
481481
}
482-
for i := 0; i< 2;i++ {
482+
for i := 0; i < 2; i++ {
483483
nested := map[string]interface{}{}
484484
*objectCount += 1
485485
createNestedMap(nested, depth-1, objectCount)
@@ -571,12 +571,12 @@ func benchmarkMatchesValueWithDeeplyNestedFields(depth int, b *testing.B) {
571571
func BenchmarkMatchesValue1(b *testing.B) { benchmarkMatchesValueWithDeeplyNestedFields(1, b) }
572572
func BenchmarkMatchesValue2(b *testing.B) { benchmarkMatchesValueWithDeeplyNestedFields(2, b) }
573573
func BenchmarkMatchesValue3(b *testing.B) { benchmarkMatchesValueWithDeeplyNestedFields(3, b) }
574-
func BenchmarkMatchesValue4(b *testing.B) { benchmarkMatchesValueWithDeeplyNestedFields(4, b) }
575-
func BenchmarkMatchesValue5(b *testing.B) { benchmarkMatchesValueWithDeeplyNestedFields(5, b) }
576-
func BenchmarkMatchesValue6(b *testing.B) { benchmarkMatchesValueWithDeeplyNestedFields(6, b) }
577-
func BenchmarkMatchesValue7(b *testing.B) { benchmarkMatchesValueWithDeeplyNestedFields(7, b) }
578-
func BenchmarkMatchesValue8(b *testing.B) { benchmarkMatchesValueWithDeeplyNestedFields(8, b) }
579-
func BenchmarkMatchesValue9(b *testing.B) { benchmarkMatchesValueWithDeeplyNestedFields(9, b) }
574+
func BenchmarkMatchesValue4(b *testing.B) { benchmarkMatchesValueWithDeeplyNestedFields(4, b) }
575+
func BenchmarkMatchesValue5(b *testing.B) { benchmarkMatchesValueWithDeeplyNestedFields(5, b) }
576+
func BenchmarkMatchesValue6(b *testing.B) { benchmarkMatchesValueWithDeeplyNestedFields(6, b) }
577+
func BenchmarkMatchesValue7(b *testing.B) { benchmarkMatchesValueWithDeeplyNestedFields(7, b) }
578+
func BenchmarkMatchesValue8(b *testing.B) { benchmarkMatchesValueWithDeeplyNestedFields(8, b) }
579+
func BenchmarkMatchesValue9(b *testing.B) { benchmarkMatchesValueWithDeeplyNestedFields(9, b) }
580580
func BenchmarkMatchesValue10(b *testing.B) { benchmarkMatchesValueWithDeeplyNestedFields(10, b) }
581581

582582
func TestCreateMergePatchComplexRemoveAll(t *testing.T) {
@@ -674,6 +674,12 @@ func TestMergeMergePatches(t *testing.T) {
674674
p2: `{"del2": null}`,
675675
exp: `{"del1": null, "del2": null}`,
676676
},
677+
{
678+
demonstrates: "nulls are kept in complex objects",
679+
p1: `{}`,
680+
p2: `{"request":{"object":{"complex_object_array":["value1","value2","value3"],"complex_object_map":{"key1":"value1","key2":"value2","key3":"value3"},"simple_object_bool":false,"simple_object_float":-5.5,"simple_object_int":5,"simple_object_null":null,"simple_object_string":"example"}}}`,
681+
exp: `{"request":{"object":{"complex_object_array":["value1","value2","value3"],"complex_object_map":{"key1":"value1","key2":"value2","key3":"value3"},"simple_object_bool":false,"simple_object_float":-5.5,"simple_object_int":5,"simple_object_null":null,"simple_object_string":"example"}}}`,
682+
},
677683
{
678684
demonstrates: "a key added then deleted is kept deleted",
679685
p1: `{"add_then_delete": "atd"}`,

‎v5/merge.go‎

Lines changed: 3 additions & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -48,7 +48,9 @@ func mergeDocs(doc, patch *partialDoc, mergeMerge bool) {
4848
cur, ok := doc.obj[k]
4949

5050
if !ok || cur == nil {
51-
pruneNulls(v)
51+
if !mergeMerge {
52+
pruneNulls(v)
53+
}
5254
_ = doc.set(k, v, &ApplyOptions{})
5355
} else {
5456
_ = doc.set(k, merge(cur, v, mergeMerge), &ApplyOptions{})

‎v5/merge_test.go‎

Lines changed: 13 additions & 7 deletions
Original file line numberDiff line numberDiff line change
@@ -479,7 +479,7 @@ func createNestedMap(m map[string]interface{}, depth int, objectCount *int) {
479479
if depth == 0 {
480480
return
481481
}
482-
for i := 0; i< 2;i++ {
482+
for i := 0; i < 2; i++ {
483483
nested := map[string]interface{}{}
484484
*objectCount += 1
485485
createNestedMap(nested, depth-1, objectCount)
@@ -571,12 +571,12 @@ func benchmarkMatchesValueWithDeeplyNestedFields(depth int, b *testing.B) {
571571
func BenchmarkMatchesValue1(b *testing.B) { benchmarkMatchesValueWithDeeplyNestedFields(1, b) }
572572
func BenchmarkMatchesValue2(b *testing.B) { benchmarkMatchesValueWithDeeplyNestedFields(2, b) }
573573
func BenchmarkMatchesValue3(b *testing.B) { benchmarkMatchesValueWithDeeplyNestedFields(3, b) }
574-
func BenchmarkMatchesValue4(b *testing.B) { benchmarkMatchesValueWithDeeplyNestedFields(4, b) }
575-
func BenchmarkMatchesValue5(b *testing.B) { benchmarkMatchesValueWithDeeplyNestedFields(5, b) }
576-
func BenchmarkMatchesValue6(b *testing.B) { benchmarkMatchesValueWithDeeplyNestedFields(6, b) }
577-
func BenchmarkMatchesValue7(b *testing.B) { benchmarkMatchesValueWithDeeplyNestedFields(7, b) }
578-
func BenchmarkMatchesValue8(b *testing.B) { benchmarkMatchesValueWithDeeplyNestedFields(8, b) }
579-
func BenchmarkMatchesValue9(b *testing.B) { benchmarkMatchesValueWithDeeplyNestedFields(9, b) }
574+
func BenchmarkMatchesValue4(b *testing.B) { benchmarkMatchesValueWithDeeplyNestedFields(4, b) }
575+
func BenchmarkMatchesValue5(b *testing.B) { benchmarkMatchesValueWithDeeplyNestedFields(5, b) }
576+
func BenchmarkMatchesValue6(b *testing.B) { benchmarkMatchesValueWithDeeplyNestedFields(6, b) }
577+
func BenchmarkMatchesValue7(b *testing.B) { benchmarkMatchesValueWithDeeplyNestedFields(7, b) }
578+
func BenchmarkMatchesValue8(b *testing.B) { benchmarkMatchesValueWithDeeplyNestedFields(8, b) }
579+
func BenchmarkMatchesValue9(b *testing.B) { benchmarkMatchesValueWithDeeplyNestedFields(9, b) }
580580
func BenchmarkMatchesValue10(b *testing.B) { benchmarkMatchesValueWithDeeplyNestedFields(10, b) }
581581

582582
func TestCreateMergePatchComplexRemoveAll(t *testing.T) {
@@ -674,6 +674,12 @@ func TestMergeMergePatches(t *testing.T) {
674674
p2: `{"del2": null}`,
675675
exp: `{"del1": null, "del2": null}`,
676676
},
677+
{
678+
demonstrates: "nulls are kept in complex objects",
679+
p1: `{}`,
680+
p2: `{"request":{"object":{"complex_object_array":["value1","value2","value3"],"complex_object_map":{"key1":"value1","key2":"value2","key3":"value3"},"simple_object_bool":false,"simple_object_float":-5.5,"simple_object_int":5,"simple_object_null":null,"simple_object_string":"example"}}}`,
681+
exp: `{"request":{"object":{"complex_object_array":["value1","value2","value3"],"complex_object_map":{"key1":"value1","key2":"value2","key3":"value3"},"simple_object_bool":false,"simple_object_float":-5.5,"simple_object_int":5,"simple_object_null":null,"simple_object_string":"example"}}}`,
682+
},
677683
{
678684
demonstrates: "a key added then deleted is kept deleted",
679685
p1: `{"add_then_delete": "atd"}`,

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