Merge pull request #61 from Songmu/overwrite-query

pass stmt.QueryString to QueryContext and ExecContext calls

conn.go

@@ -186,17 +186,16 @@ func (conn *Conn) ExecContext(c context.Context, query string, args []driver.Nam
 	}
 
 	// set the hooks.
-	var stmt *Stmt
+	var stmt = &Stmt{
+		QueryString: query,
+		Proxy:       conn.Proxy,
+		Conn:        conn,
+	}
 	var ctx interface{}
 	var err error
 	var result driver.Result
 	hooks := conn.Proxy.getHooks(c)
 	if hooks != nil {
-		stmt = &Stmt{
-			QueryString: query,
-			Proxy:       conn.Proxy,
-			Conn:        conn,
-		}
 		defer func() { hooks.postExec(c, ctx, stmt, args, result, err) }()
 		if ctx, err = hooks.preExec(c, stmt, args); err != nil {
 			return nil, err
@@ -205,7 +204,7 @@ func (conn *Conn) ExecContext(c context.Context, query string, args []driver.Nam
 
 	// call the original method.
 	if execerCtx, ok := execer.(driver.ExecerContext); ok {
-		result, err = execerCtx.ExecContext(c, query, args)
+		result, err = execerCtx.ExecContext(c, stmt.QueryString, args)
 	} else {
 		select {
 		default:
@@ -216,7 +215,7 @@ func (conn *Conn) ExecContext(c context.Context, query string, args []driver.Nam
 		if err0 != nil {
 			return nil, err0
 		}
-		result, err = execer.Exec(query, dargs)
+		result, err = execer.Exec(stmt.QueryString, dargs)
 	}
 	if err != nil {
 		return nil, err
@@ -250,17 +249,16 @@ func (conn *Conn) QueryContext(c context.Context, query string, args []driver.Na
 		return nil, driver.ErrSkip
 	}
 
-	var stmt *Stmt
+	var stmt = &Stmt{
+		QueryString: query,
+		Proxy:       conn.Proxy,
+		Conn:        conn,
+	}
 	var ctx interface{}
 	var err error
 	var rows driver.Rows
 	hooks := conn.Proxy.getHooks(c)
 	if hooks != nil {
-		stmt = &Stmt{
-			QueryString: query,
-			Proxy:       conn.Proxy,
-			Conn:        conn,
-		}
 		defer func() { hooks.postQuery(c, ctx, stmt, args, rows, err) }()
 		if ctx, err = hooks.preQuery(c, stmt, args); err != nil {
 			return nil, err
@@ -269,7 +267,7 @@ func (conn *Conn) QueryContext(c context.Context, query string, args []driver.Na
 
 	// call the original method.
 	if queryerCtx, ok := conn.Conn.(driver.QueryerContext); ok {
-		rows, err = queryerCtx.QueryContext(c, query, args)
+		rows, err = queryerCtx.QueryContext(c, stmt.QueryString, args)
 	} else {
 		select {
 		default:
@@ -280,7 +278,7 @@ func (conn *Conn) QueryContext(c context.Context, query string, args []driver.Na
 		if err0 != nil {
 			return nil, err0
 		}
-		rows, err = queryer.Query(query, dargs)
+		rows, err = queryer.Query(stmt.QueryString, dargs)
 	}
 	if err != nil {
 		return nil, err