Skip to content
New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

fix: deterministic index ordering when migrating #7208

Merged
merged 1 commit into from
Dec 6, 2024
Merged

fix: deterministic index ordering when migrating #7208

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
25 changes: 14 additions & 11 deletions schema/index.go
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -27,8 +27,9 @@
}

// ParseIndexes parse schema indexes
func (schema *Schema) ParseIndexes() map[string]Index {
indexes := map[string]Index{}
func (schema *Schema) ParseIndexes() []*Index {

Check failure on line 30 in schema/index.go

View workflow job for this annotation

GitHub Actions / runner / golangci-lint 

[golangci] reported by reviewdog 🐶
calculated cyclomatic complexity for function ParseIndexes is 15, max is 10 (cyclop)

Raw Output:
schema/index.go:30:1: calculated cyclomatic complexity for function ParseIndexes is 15, max is 10 (cyclop)
func (schema *Schema) ParseIndexes() []*Index {
^
indexesByName := map[string]*Index{}
indexes := []*Index{}

for _, field := range schema.Fields {
if field.TagSettings["INDEX"] != "" || field.TagSettings["UNIQUEINDEX"] != "" {
Expand All @@ -38,7 +39,12 @@
break
}
for _, index := range fieldIndexes {
idx := indexes[index.Name]
idx := indexesByName[index.Name]
if idx == nil {
idx = &Index{Name: index.Name}
indexesByName[index.Name] = idx
indexes = append(indexes, idx)
}
idx.Name = index.Name
if idx.Class == "" {
idx.Class = index.Class
Expand All @@ -60,8 +66,6 @@
sort.Slice(idx.Fields, func(i, j int) bool {
return idx.Fields[i].priority < idx.Fields[j].priority
})

indexes[index.Name] = idx
}
}
}
Expand All @@ -76,15 +80,14 @@
func (schema *Schema) LookIndex(name string) *Index {
if schema != nil {
indexes := schema.ParseIndexes()

if index, found := indexes[name]; found {
return &index
}

for _, index := range indexes {
if index.Name == name {
return index
}

for _, field := range index.Fields {
if field.Name == name {
return &index
return index
}
}
}
Expand Down
97 changes: 48 additions & 49 deletions schema/index_test.go
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -61,17 +61,17 @@ func TestParseIndex(t *testing.T) {
t.Fatalf("failed to parse user index, got error %v", err)
}

results := map[string]schema.Index{
"idx_user_indices_name": {
results := []*schema.Index{
{
Name: "idx_user_indices_name",
Fields: []schema.IndexOption{{Field: &schema.Field{Name: "Name"}}},
},
"idx_name": {
{
Name: "idx_name",
Class: "UNIQUE",
Fields: []schema.IndexOption{{Field: &schema.Field{Name: "Name2", UniqueIndex: "idx_name"}}},
},
"idx_user_indices_name3": {
{
Name: "idx_user_indices_name3",
Type: "btree",
Where: "name3 != 'jinzhu'",
Expand All @@ -82,19 +82,19 @@ func TestParseIndex(t *testing.T) {
Length: 10,
}},
},
"idx_user_indices_name4": {
{
Name: "idx_user_indices_name4",
Class: "UNIQUE",
Fields: []schema.IndexOption{{Field: &schema.Field{Name: "Name4", UniqueIndex: "idx_user_indices_name4"}}},
},
"idx_user_indices_name5": {
{
Name: "idx_user_indices_name5",
Class: "FULLTEXT",
Comment: "hello , world",
Where: "age > 10",
Fields: []schema.IndexOption{{Field: &schema.Field{Name: "Name5"}}},
},
"profile": {
{
Name: "profile",
Comment: "hello , world",
Where: "age > 10",
Expand All @@ -104,21 +104,21 @@ func TestParseIndex(t *testing.T) {
Expression: "ABS(age)",
}},
},
"idx_id": {
{
Name: "idx_id",
Fields: []schema.IndexOption{{Field: &schema.Field{Name: "MemberNumber"}}, {Field: &schema.Field{Name: "OID", UniqueIndex: "idx_oid"}}},
},
"idx_oid": {
{
Name: "idx_oid",
Class: "UNIQUE",
Fields: []schema.IndexOption{{Field: &schema.Field{Name: "OID", UniqueIndex: "idx_oid"}}},
},
"type": {
{
Name: "type",
Type: "",
Fields: []schema.IndexOption{{Field: &schema.Field{Name: "Name7"}}},
},
"idx_user_indices_name8": {
{
Name: "idx_user_indices_name8",
Type: "",
Fields: []schema.IndexOption{
Expand All @@ -127,7 +127,16 @@ func TestParseIndex(t *testing.T) {
{Field: &schema.Field{Name: "Name8"}, Collate: "utf8"},
},
},
"idx_user_indices_comp_id0": {
{
Class: "UNIQUE",
Name: "idx_user_indices_idx_compname_1",
Option: "NULLS NOT DISTINCT",
Fields: []schema.IndexOption{
{Field: &schema.Field{Name: "CompName1", NotNull: true}},
{Field: &schema.Field{Name: "CompName2"}},
},
},
{
Name: "idx_user_indices_comp_id0",
Type: "",
Fields: []schema.IndexOption{{
Expand All @@ -136,7 +145,7 @@ func TestParseIndex(t *testing.T) {
Field: &schema.Field{Name: "Data0B"},
}},
},
"idx_user_indices_comp_id1": {
{
Name: "idx_user_indices_comp_id1",
Fields: []schema.IndexOption{{
Field: &schema.Field{Name: "Data1A"},
Expand All @@ -146,7 +155,7 @@ func TestParseIndex(t *testing.T) {
Field: &schema.Field{Name: "Data1C"},
}},
},
"idx_user_indices_comp_id2": {
{
Name: "idx_user_indices_comp_id2",
Class: "UNIQUE",
Fields: []schema.IndexOption{{
Expand All @@ -157,15 +166,6 @@ func TestParseIndex(t *testing.T) {
Field: &schema.Field{Name: "Data2B"},
}},
},
"idx_user_indices_idx_compname_1": {
Class: "UNIQUE",
Name: "idx_user_indices_idx_compname_1",
Option: "NULLS NOT DISTINCT",
Fields: []schema.IndexOption{
{Field: &schema.Field{Name: "CompName1", NotNull: true}},
{Field: &schema.Field{Name: "CompName2"}},
},
},
}

CheckIndices(t, results, user.ParseIndexes())
Expand Down Expand Up @@ -195,17 +195,17 @@ func TestParseIndexWithUniqueIndexAndUnique(t *testing.T) {
t.Fatalf("failed to parse user index, got error %v", err)
}
indices := indexSchema.ParseIndexes()
CheckIndices(t, map[string]schema.Index{
"idx_index_tests_field_a": {
expectedIndices := []*schema.Index{
{
Name: "idx_index_tests_field_a",
Fields: []schema.IndexOption{{Field: &schema.Field{Name: "FieldA", Unique: true}}},
},
"idx_index_tests_field_c": {
{
Name: "idx_index_tests_field_c",
Class: "UNIQUE",
Fields: []schema.IndexOption{{Field: &schema.Field{Name: "FieldC", UniqueIndex: "idx_index_tests_field_c"}}},
},
"idx_index_tests_field_d": {
{
Name: "idx_index_tests_field_d",
Class: "UNIQUE",
Fields: []schema.IndexOption{
Expand All @@ -214,63 +214,62 @@ func TestParseIndexWithUniqueIndexAndUnique(t *testing.T) {
{Field: &schema.Field{Name: "FieldD"}},
},
},
"uniq_field_e1_e2": {
{
Name: "uniq_field_e1_e2",
Class: "UNIQUE",
Fields: []schema.IndexOption{
{Field: &schema.Field{Name: "FieldE1"}},
{Field: &schema.Field{Name: "FieldE2"}},
},
},
"idx_index_tests_field_f1": {
Name: "idx_index_tests_field_f1",
Fields: []schema.IndexOption{{Field: &schema.Field{Name: "FieldF1"}}},
},
"uniq_field_f1_f2": {
{
Name: "uniq_field_f1_f2",
Class: "UNIQUE",
Fields: []schema.IndexOption{
{Field: &schema.Field{Name: "FieldF1"}},
{Field: &schema.Field{Name: "FieldF2"}},
},
},
"idx_index_tests_field_g": {
{
Name: "idx_index_tests_field_f1",
Fields: []schema.IndexOption{{Field: &schema.Field{Name: "FieldF1"}}},
},
{
Name: "idx_index_tests_field_g",
Class: "UNIQUE",
Fields: []schema.IndexOption{{Field: &schema.Field{Name: "FieldG", Unique: true, UniqueIndex: "idx_index_tests_field_g"}}},
},
"uniq_field_h1_h2": {
{
Name: "uniq_field_h1_h2",
Class: "UNIQUE",
Fields: []schema.IndexOption{
{Field: &schema.Field{Name: "FieldH1", Unique: true}},
{Field: &schema.Field{Name: "FieldH2"}},
},
},
}, indices)
}
CheckIndices(t, expectedIndices, indices)
}

func CheckIndices(t *testing.T, expected, actual map[string]schema.Index) {
for k, ei := range expected {
t.Run(k, func(t *testing.T) {
ai, ok := actual[k]
if !ok {
t.Errorf("expected index %q but actual missing", k)
return
}
func CheckIndices(t *testing.T, expected, actual []*schema.Index) {
if len(expected) != len(actual) {
t.Errorf("expected %d indices, but got %d", len(expected), len(actual))
return
}

for i, ei := range expected {
t.Run(ei.Name, func(t *testing.T) {
ai := actual[i]
tests.AssertObjEqual(t, ai, ei, "Name", "Class", "Type", "Where", "Comment", "Option")

if len(ei.Fields) != len(ai.Fields) {
t.Errorf("expected index %q field length is %d but actual %d", k, len(ei.Fields), len(ai.Fields))
t.Errorf("expected index %q field length is %d but actual %d", ei.Name, len(ei.Fields), len(ai.Fields))
return
}
for i, ef := range ei.Fields {
af := ai.Fields[i]
tests.AssertObjEqual(t, af, ef, "Name", "Unique", "UniqueIndex", "Expression", "Sort", "Collate", "Length", "NotNull")
}
})
delete(actual, k)
}
for k := range actual {
t.Errorf("unexpected index %q", k)
}
}
Loading