forked from mirror/gorm
Merge pull request #409 from huacnlee/skip_add_index_if_exist
Dialect Index first, before AddIndex
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commit
5c38950d9b
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@ -492,6 +492,10 @@ func (scope *Scope) dropColumn(column string) {
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}
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func (scope *Scope) addIndex(unique bool, indexName string, column ...string) {
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if scope.Dialect().HasIndex(scope, scope.TableName(), indexName) {
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return
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}
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var columns []string
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for _, name := range column {
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columns = append(columns, scope.Quote(name))
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@ -559,15 +563,11 @@ func (scope *Scope) autoIndex() *Scope {
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}
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for name, columns := range indexes {
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if !scope.Dialect().HasIndex(scope, scope.TableName(), name) {
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scope.addIndex(false, name, columns...)
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}
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scope.addIndex(false, name, columns...)
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}
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for name, columns := range uniqueIndexes {
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if !scope.Dialect().HasIndex(scope, scope.TableName(), name) {
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scope.addIndex(true, name, columns...)
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}
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scope.addIndex(true, name, columns...)
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}
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return scope
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