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change the method of initializing slice

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This commit is contained in:
sivchari 2021-02-17 12:56:28 +09:00
parent 3d3208ed60
commit 9e3805f78f
5 changed files with 10 additions and 10 deletions
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8
callbacks/associations.go
View File

@ -137,7 +137,7 @@ func SaveAfterAssociations(db *gorm.DB) {
}
if elems.Len() > 0 {
assignmentColumns := []string{}
assignmentColumns := make([]string, 0, len(rel.References))
for _, ref := range rel.References {
assignmentColumns = append(assignmentColumns, ref.ForeignKey.DBName)
}
@ -151,7 +151,7 @@ func SaveAfterAssociations(db *gorm.DB) {
f = f.Addr()
}
assignmentColumns := []string{}
assignmentColumns := make([]string, 0, len(rel.References))
for _, ref := range rel.References {
if ref.OwnPrimaryKey {
fv, _ := ref.PrimaryKey.ValueOf(db.Statement.ReflectValue)
@ -216,7 +216,7 @@ func SaveAfterAssociations(db *gorm.DB) {
}
if elems.Len() > 0 {
assignmentColumns := []string{}
assignmentColumns := make([]string, 0, len(rel.References))
for _, ref := range rel.References {
assignmentColumns = append(assignmentColumns, ref.ForeignKey.DBName)
}
@ -320,7 +320,7 @@ func onConflictOption(stmt *gorm.Statement, s *schema.Schema, selectColumns map[
}
if len(defaultUpdatingColumns) > 0 {
var columns []clause.Column
columns := make([]clause.Column, 0, len(s.PrimaryFieldDBNames))
for _, dbName := range s.PrimaryFieldDBNames {
columns = append(columns, clause.Column{Name: dbName})
}

2
callbacks/delete.go
View File

@ -38,7 +38,7 @@ func DeleteBeforeAssociations(db *gorm.DB) {
withoutConditions := false
if len(db.Statement.Selects) > 0 {
var selects []string
selects := make([]string, 0, len(db.Statement.Selects))
for _, s := range db.Statement.Selects {
if s == clause.Associations {
selects = append(selects, s)

5
migrator/migrator.go
View File

@ -172,7 +172,7 @@ func (m Migrator) CreateTable(values ...interface{}) error {
if !hasPrimaryKeyInDataType && len(stmt.Schema.PrimaryFields) > 0 {
createTableSQL += "PRIMARY KEY ?,"
primaryKeys := []interface{}{}
primaryKeys := make([]interface{}, 0, len(stmt.Schema.PrimaryFieldDBNames))
for _, field := range stmt.Schema.PrimaryFields {
primaryKeys = append(primaryKeys, clause.Column{Name: field.DBName})
}
@ -439,11 +439,12 @@ func buildConstraint(constraint *schema.Constraint) (sql string, results []inter
sql += " ON UPDATE " + constraint.OnUpdate
}
var foreignKeys, references []interface{}
foreignKeys := make([]interface{}, 0, len(constraint.ForeignKeys))
for _, field := range constraint.ForeignKeys {
foreignKeys = append(foreignKeys, clause.Column{Name: field.DBName})
}
references := make([]interface{}, 0, len(constraint.References))
for _, field := range constraint.References {
references = append(references, clause.Column{Name: field.DBName})
}

2
schema/naming.go
View File

@ -88,7 +88,7 @@ var (
)
func init() {
var commonInitialismsForReplacer []string
commonInitialismsForReplacer := make([]string, 0, len(commonInitialisms))
for _, initialism := range commonInitialisms {
commonInitialismsForReplacer = append(commonInitialismsForReplacer, initialism, strings.Title(strings.ToLower(initialism)))
}

3
schema/utils.go
View File

@ -157,8 +157,7 @@ func GetIdentityFieldValuesMap(reflectValue reflect.Value, fields []*Field) (map
// GetIdentityFieldValuesMapFromValues get identity map from fields
func GetIdentityFieldValuesMapFromValues(values []interface{}, fields []*Field) (map[string][]reflect.Value, [][]interface{}) {
resultsMap := map[string][]reflect.Value{}
results := [][]interface{}{}
results := make([][]interface{}, 0, len(values))
for _, v := range values {
rm, rs := GetIdentityFieldValuesMap(reflect.Indirect(reflect.ValueOf(v)), fields)
for k, v := range rm {