diff options
Diffstat (limited to 'src/database/sql/sql.go')
| -rw-r--r-- | src/database/sql/sql.go | 23 |
1 files changed, 22 insertions, 1 deletions
diff --git a/src/database/sql/sql.go b/src/database/sql/sql.go index 970334269d..616acb2be1 100644 --- a/src/database/sql/sql.go +++ b/src/database/sql/sql.go @@ -67,6 +67,27 @@ func Drivers() []string { return list } +// NamedParam may be passed into query parameter arguments to associate +// a named placeholder with a value. +type NamedParam struct { + // Name of the parameter placeholder. If empty the ordinal position in the + // argument list will be used. + Name string + + // Value of the parameter. It may be assigned the same value types as + // the query arguments. + Value interface{} +} + +// Param provides a more concise way to create NamedParam values. +func Param(name string, value interface{}) NamedParam { + // This method exists because the go1compat promise + // doesn't guarantee that structs don't grow more fields, + // so unkeyed struct literals are a vet error. Thus, we don't + // want to encourage sql.NamedParam{name, value}. + return NamedParam{Name: name, Value: value} +} + // RawBytes is a byte slice that holds a reference to memory owned by // the database itself. After a Scan into a RawBytes, the slice is only // valid until the next call to Next, Scan, or Close. @@ -1064,7 +1085,7 @@ func (db *DB) exec(ctx context.Context, query string, args []interface{}, strate }() if execer, ok := dc.ci.(driver.Execer); ok { - var dargs []driver.Value + var dargs []driver.NamedValue dargs, err = driverArgs(nil, args) if err != nil { return nil, err |