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https://gitee.com/johng/gf
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remove unused functions for package gdb
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@ -58,8 +58,6 @@ type iTableName interface {
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const (
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OrmTagForStruct = "orm"
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OrmTagForUnique = "unique"
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OrmTagForPrimary = "primary"
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OrmTagForTable = "table"
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OrmTagForWith = "with"
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OrmTagForWithWhere = "where"
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@ -348,44 +346,6 @@ func getFieldsFromStructOrMap(structOrMap interface{}) (fields []string) {
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return
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}
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// GetWhereConditionOfStruct returns the where condition sql and arguments by given struct pointer.
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// This function automatically retrieves primary or unique field and its attribute value as condition.
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func GetWhereConditionOfStruct(pointer interface{}) (where string, args []interface{}, err error) {
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tagField, err := structs.TagFields(pointer, []string{OrmTagForStruct})
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if err != nil {
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return "", nil, err
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}
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array := ([]string)(nil)
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for _, field := range tagField {
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array = strings.Split(field.TagValue, ",")
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if len(array) > 1 && gstr.InArray([]string{OrmTagForUnique, OrmTagForPrimary}, array[1]) {
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return array[0], []interface{}{field.Value.Interface()}, nil
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}
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if len(where) > 0 {
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where += " AND "
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}
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where += field.TagValue + "=?"
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args = append(args, field.Value.Interface())
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}
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return
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}
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// GetPrimaryKey retrieves and returns primary key field name from given struct.
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func GetPrimaryKey(pointer interface{}) (string, error) {
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tagField, err := structs.TagFields(pointer, []string{OrmTagForStruct})
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if err != nil {
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return "", err
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}
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array := ([]string)(nil)
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for _, field := range tagField {
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array = strings.Split(field.TagValue, ",")
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if len(array) > 1 && array[1] == OrmTagForPrimary {
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return array[0], nil
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}
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}
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return "", nil
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}
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// GetPrimaryKeyCondition returns a new where condition by primary field name.
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// The optional parameter `where` is like follows:
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// 123 => primary=123
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