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author | Wim <wim@42.be> | 2016-04-10 23:39:38 +0200 |
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committer | Wim <wim@42.be> | 2016-04-10 23:39:38 +0200 |
commit | de4c7804101a47a01d0c9b88ea34d2b153e2b6b9 (patch) | |
tree | fa379bc2e706951a913e0c7009d9906e42363655 /vendor/github.com/pborman/uuid/sql.go | |
parent | 6b18257185b1830bd2eff83fae30bdd2055f78b0 (diff) | |
download | matterbridge-msglm-de4c7804101a47a01d0c9b88ea34d2b153e2b6b9.tar.gz matterbridge-msglm-de4c7804101a47a01d0c9b88ea34d2b153e2b6b9.tar.bz2 matterbridge-msglm-de4c7804101a47a01d0c9b88ea34d2b153e2b6b9.zip |
Vendor libs
Diffstat (limited to 'vendor/github.com/pborman/uuid/sql.go')
-rw-r--r-- | vendor/github.com/pborman/uuid/sql.go | 66 |
1 files changed, 66 insertions, 0 deletions
diff --git a/vendor/github.com/pborman/uuid/sql.go b/vendor/github.com/pborman/uuid/sql.go new file mode 100644 index 00000000..d015bfd1 --- /dev/null +++ b/vendor/github.com/pborman/uuid/sql.go @@ -0,0 +1,66 @@ +// Copyright 2015 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" + "errors" + "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.(type) { + case string: + // if an empty UUID comes from a table, we return a null UUID + if src.(string) == "" { + return nil + } + + // see uuid.Parse for required string format + parsed := Parse(src.(string)) + + if parsed == nil { + return errors.New("Scan: invalid UUID format") + } + + *uuid = parsed + case []byte: + b := src.([]byte) + + // if an empty UUID comes from a table, we return a null UUID + if len(b) == 0 { + return nil + } + + // assumes a simple slice of bytes if 16 bytes + // otherwise attempts to parse + if len(b) == 16 { + *uuid = UUID(b) + } else { + u := Parse(string(b)) + + if u == nil { + return errors.New("Scan: invalid UUID format") + } + + *uuid = u + } + + 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 +} |