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database/sql: document Result methods

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Fixes #5110

R=golang-dev, r
CC=golang-dev
https://golang.org/cl/19280046
This commit is contained in:
Brad Fitzpatrick 2013-10-29 17:38:43 -07:00
parent e6c4fa58b5
commit 7307ffa7cd
1 changed files with 9 additions and 0 deletions
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9
src/pkg/database/sql/sql.go
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@ -1637,7 +1637,16 @@ func (r *Row) Scan(dest ...interface{}) error {
// A Result summarizes an executed SQL command. // A Result summarizes an executed SQL command.
type Result interface { type Result interface {
// LastInsertId returns the integer generated by the database
// in response to a command. Typically this will be from an
// "auto increment" column when inserting a new row. Not all
// databases support this feature, and the syntax of such
// statements varies.
LastInsertId() (int64, error) LastInsertId() (int64, error)
// RowsAffected returns the number of rows affected by an
// update, insert, or delete. Not every database or database
// driver may support this.
RowsAffected() (int64, error) RowsAffected() (int64, error)
} }