Merge branch 'byteslicepkeys' into dev

queries/query_builders.go

@@ -190,6 +190,17 @@ func BuildUpsertQueryMySQL(dia Dialect, tableName string, update, whitelist []st
 	buf := strmangle.GetBuffer()
 	defer strmangle.PutBuffer(buf)
 
+	if len(update) == 0 {
+		fmt.Fprintf(
+			buf,
+			"INSERT IGNORE INTO %s (%s) VALUES (%s)",
+			tableName,
+			strings.Join(whitelist, ", "),
+			strmangle.Placeholders(dia.IndexPlaceholders, len(whitelist), 1, 1),
+		)
+		return buf.String()
+	}
+
 	fmt.Fprintf(
 		buf,
 		"INSERT INTO %s (%s) VALUES (%s) ON DUPLICATE KEY UPDATE ",