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-rw-r--r--vendor/github.com/google/uuid/sql.go59
1 files changed, 59 insertions, 0 deletions
diff --git a/vendor/github.com/google/uuid/sql.go b/vendor/github.com/google/uuid/sql.go
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+++ b/vendor/github.com/google/uuid/sql.go
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+// Copyright 2016 Google Inc. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+package uuid
+
+import (
+ "database/sql/driver"
+ "fmt"
+)
+
+// Scan implements sql.Scanner so UUIDs can be read from databases transparently
+// Currently, database types that map to string and []byte are supported. Please
+// consult database-specific driver documentation for matching types.
+func (uuid *UUID) Scan(src interface{}) error {
+ switch src := src.(type) {
+ case nil:
+ return nil
+
+ case string:
+ // if an empty UUID comes from a table, we return a null UUID
+ if src == "" {
+ return nil
+ }
+
+ // see Parse for required string format
+ u, err := Parse(src)
+ if err != nil {
+ return fmt.Errorf("Scan: %v", err)
+ }
+
+ *uuid = u
+
+ case []byte:
+ // if an empty UUID comes from a table, we return a null UUID
+ if len(src) == 0 {
+ return nil
+ }
+
+ // assumes a simple slice of bytes if 16 bytes
+ // otherwise attempts to parse
+ if len(src) != 16 {
+ return uuid.Scan(string(src))
+ }
+ copy((*uuid)[:], src)
+
+ default:
+ return fmt.Errorf("Scan: unable to scan type %T into UUID", src)
+ }
+
+ return nil
+}
+
+// Value implements sql.Valuer so that UUIDs can be written to databases
+// transparently. Currently, UUIDs map to strings. Please consult
+// database-specific driver documentation for matching types.
+func (uuid UUID) Value() (driver.Value, error) {
+ return uuid.String(), nil
+}