* Add metadata to store record * Add metadata to cockroach store * add metadata to store service implementation * fix breaking cache test * Test/fix cockroach metadata usage * fix store memory metadata bug
		
			
				
	
	
		
			46 lines
		
	
	
		
			896 B
		
	
	
	
		
			Go
		
	
	
	
	
	
			
		
		
	
	
			46 lines
		
	
	
		
			896 B
		
	
	
	
		
			Go
		
	
	
	
	
	
| package cockroach
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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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| 	return nil
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| }
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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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| 
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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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