wehub-resource-sync
e071084ebe
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62 lines
1.5 KiB
Go
62 lines
1.5 KiB
Go
// Copyright 2020 Asim Aslam
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// https://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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//
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// Original source: github.com/micro/go-plugins/v3/store/cockroach/metadata.go
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package postgres
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import (
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"database/sql/driver"
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"encoding/json"
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"errors"
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)
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// https://github.com/upper/db/blob/master/postgresql/custom_types.go#L43
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type Metadata map[string]interface{}
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// Scan satisfies the sql.Scanner interface.
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func (m *Metadata) Scan(src interface{}) error {
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source, ok := src.([]byte)
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if !ok {
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return errors.New("type assertion .([]byte) failed")
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}
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var i interface{}
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err := json.Unmarshal(source, &i)
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if err != nil {
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return err
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}
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*m, ok = i.(map[string]interface{})
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if !ok {
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return errors.New("type assertion .(map[string]interface{}) failed")
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}
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return nil
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}
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// Value satisfies the driver.Valuer interface.
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func (m Metadata) Value() (driver.Value, error) {
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j, err := json.Marshal(m)
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return j, err
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}
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func toMetadata(m *Metadata) map[string]interface{} {
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md := make(map[string]interface{})
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for k, v := range *m {
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md[k] = v
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}
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return md
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}
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