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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,230 @@ | ||
| // Copyright 2017 The Xorm Authors. All rights reserved. | ||
| // Use of this source code is governed by a BSD-style | ||
| // license that can be found in the LICENSE file. | ||
|
|
||
| package xorm | ||
|
|
||
| import ( | ||
| "database/sql/driver" | ||
| "encoding/json" | ||
| "fmt" | ||
| "reflect" | ||
| "time" | ||
|
|
||
| "github.com/go-xorm/builder" | ||
| "github.com/go-xorm/core" | ||
| ) | ||
|
|
||
| func (engine *Engine) buildConds(table *core.Table, bean interface{}, | ||
| includeVersion bool, includeUpdated bool, includeNil bool, | ||
| includeAutoIncr bool, allUseBool bool, useAllCols bool, unscoped bool, | ||
| mustColumnMap map[string]bool, tableName, aliasName string, addedTableName bool) (builder.Cond, error) { | ||
| var conds []builder.Cond | ||
| for _, col := range table.Columns() { | ||
| if !includeVersion && col.IsVersion { | ||
| continue | ||
| } | ||
| if !includeUpdated && col.IsUpdated { | ||
| continue | ||
| } | ||
| if !includeAutoIncr && col.IsAutoIncrement { | ||
| continue | ||
| } | ||
|
|
||
| if engine.dialect.DBType() == core.MSSQL && (col.SQLType.Name == core.Text || col.SQLType.IsBlob() || col.SQLType.Name == core.TimeStampz) { | ||
| continue | ||
| } | ||
| if col.SQLType.IsJson() { | ||
| continue | ||
| } | ||
|
|
||
| var colName string | ||
| if addedTableName { | ||
| var nm = tableName | ||
| if len(aliasName) > 0 { | ||
| nm = aliasName | ||
| } | ||
| colName = engine.Quote(nm) + "." + engine.Quote(col.Name) | ||
| } else { | ||
| colName = engine.Quote(col.Name) | ||
| } | ||
|
|
||
| fieldValuePtr, err := col.ValueOf(bean) | ||
| if err != nil { | ||
| engine.logger.Error(err) | ||
| continue | ||
| } | ||
|
|
||
| if col.IsDeleted && !unscoped { // tag "deleted" is enabled | ||
| conds = append(conds, engine.CondDeleted(colName)) | ||
| } | ||
|
|
||
| fieldValue := *fieldValuePtr | ||
| if fieldValue.Interface() == nil { | ||
| continue | ||
| } | ||
|
|
||
| fieldType := reflect.TypeOf(fieldValue.Interface()) | ||
| requiredField := useAllCols | ||
|
|
||
| if b, ok := getFlagForColumn(mustColumnMap, col); ok { | ||
| if b { | ||
| requiredField = true | ||
| } else { | ||
| continue | ||
| } | ||
| } | ||
|
|
||
| if fieldType.Kind() == reflect.Ptr { | ||
| if fieldValue.IsNil() { | ||
| if includeNil { | ||
| conds = append(conds, builder.Eq{colName: nil}) | ||
| } | ||
| continue | ||
| } else if !fieldValue.IsValid() { | ||
| continue | ||
| } else { | ||
| // dereference ptr type to instance type | ||
| fieldValue = fieldValue.Elem() | ||
| fieldType = reflect.TypeOf(fieldValue.Interface()) | ||
| requiredField = true | ||
| } | ||
| } | ||
|
|
||
| var val interface{} | ||
| switch fieldType.Kind() { | ||
| case reflect.Bool: | ||
| if allUseBool || requiredField { | ||
| val = fieldValue.Interface() | ||
| } else { | ||
| // if a bool in a struct, it will not be as a condition because it default is false, | ||
| // please use Where() instead | ||
| continue | ||
| } | ||
| case reflect.String: | ||
| if !requiredField && fieldValue.String() == "" { | ||
| continue | ||
| } | ||
| // for MyString, should convert to string or panic | ||
| if fieldType.String() != reflect.String.String() { | ||
| val = fieldValue.String() | ||
| } else { | ||
| val = fieldValue.Interface() | ||
| } | ||
| case reflect.Int8, reflect.Int16, reflect.Int, reflect.Int32, reflect.Int64: | ||
| if !requiredField && fieldValue.Int() == 0 { | ||
| continue | ||
| } | ||
| val = fieldValue.Interface() | ||
| case reflect.Float32, reflect.Float64: | ||
| if !requiredField && fieldValue.Float() == 0.0 { | ||
| continue | ||
| } | ||
| val = fieldValue.Interface() | ||
| case reflect.Uint8, reflect.Uint16, reflect.Uint, reflect.Uint32, reflect.Uint64: | ||
| if !requiredField && fieldValue.Uint() == 0 { | ||
| continue | ||
| } | ||
| t := int64(fieldValue.Uint()) | ||
| val = reflect.ValueOf(&t).Interface() | ||
| case reflect.Struct: | ||
| if fieldType.ConvertibleTo(core.TimeType) { | ||
| t := fieldValue.Convert(core.TimeType).Interface().(time.Time) | ||
| if !requiredField && (t.IsZero() || !fieldValue.IsValid()) { | ||
| continue | ||
| } | ||
| val = engine.formatColTime(col, t) | ||
| } else if _, ok := reflect.New(fieldType).Interface().(core.Conversion); ok { | ||
| continue | ||
| } else if valNul, ok := fieldValue.Interface().(driver.Valuer); ok { | ||
| val, _ = valNul.Value() | ||
| if val == nil { | ||
| continue | ||
| } | ||
| } else { | ||
| if col.SQLType.IsJson() { | ||
| if col.SQLType.IsText() { | ||
| bytes, err := json.Marshal(fieldValue.Interface()) | ||
| if err != nil { | ||
| engine.logger.Error(err) | ||
| continue | ||
| } | ||
| val = string(bytes) | ||
| } else if col.SQLType.IsBlob() { | ||
| var bytes []byte | ||
| var err error | ||
| bytes, err = json.Marshal(fieldValue.Interface()) | ||
| if err != nil { | ||
| engine.logger.Error(err) | ||
| continue | ||
| } | ||
| val = bytes | ||
| } | ||
| } else { | ||
| engine.autoMapType(fieldValue) | ||
| if table, ok := engine.Tables[fieldValue.Type()]; ok { | ||
| if len(table.PrimaryKeys) == 1 { | ||
| pkField := reflect.Indirect(fieldValue).FieldByName(table.PKColumns()[0].FieldName) | ||
| // fix non-int pk issues | ||
| //if pkField.Int() != 0 { | ||
| if pkField.IsValid() && !isZero(pkField.Interface()) { | ||
| val = pkField.Interface() | ||
| } else { | ||
| continue | ||
| } | ||
| } else { | ||
| //TODO: how to handler? | ||
| return nil, fmt.Errorf("not supported %v as %v", fieldValue.Interface(), table.PrimaryKeys) | ||
| } | ||
| } else { | ||
| val = fieldValue.Interface() | ||
| } | ||
| } | ||
| } | ||
| case reflect.Array: | ||
| continue | ||
| case reflect.Slice, reflect.Map: | ||
| if fieldValue == reflect.Zero(fieldType) { | ||
| continue | ||
| } | ||
| if fieldValue.IsNil() || !fieldValue.IsValid() || fieldValue.Len() == 0 { | ||
| continue | ||
| } | ||
|
|
||
| if col.SQLType.IsText() { | ||
| bytes, err := json.Marshal(fieldValue.Interface()) | ||
| if err != nil { | ||
| engine.logger.Error(err) | ||
| continue | ||
| } | ||
| val = string(bytes) | ||
| } else if col.SQLType.IsBlob() { | ||
| var bytes []byte | ||
| var err error | ||
| if (fieldType.Kind() == reflect.Array || fieldType.Kind() == reflect.Slice) && | ||
| fieldType.Elem().Kind() == reflect.Uint8 { | ||
| if fieldValue.Len() > 0 { | ||
| val = fieldValue.Bytes() | ||
| } else { | ||
| continue | ||
| } | ||
| } else { | ||
| bytes, err = json.Marshal(fieldValue.Interface()) | ||
| if err != nil { | ||
| engine.logger.Error(err) | ||
| continue | ||
| } | ||
| val = bytes | ||
| } | ||
| } else { | ||
| continue | ||
| } | ||
| default: | ||
| val = fieldValue.Interface() | ||
| } | ||
|
|
||
| conds = append(conds, builder.Eq{colName: val}) | ||
| } | ||
|
|
||
| return builder.And(conds...), nil | ||
| } |
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