From 97c544f91f562f33b9655e7c8c8f980bac5ac658 Mon Sep 17 00:00:00 2001 From: Erik Johnston Date: Fri, 25 Aug 2017 11:11:37 +0100 Subject: [PATCH] Add _simple_update --- synapse/storage/_base.py | 51 +++++++++++++++++++++++++--------------- 1 file changed, 32 insertions(+), 19 deletions(-) diff --git a/synapse/storage/_base.py b/synapse/storage/_base.py index 6f54036d6..5124a833a 100644 --- a/synapse/storage/_base.py +++ b/synapse/storage/_base.py @@ -743,6 +743,33 @@ class SQLBaseStore(object): txn.execute(sql, values) return cls.cursor_to_dict(txn) + def _simple_update(self, table, keyvalues, updatevalues, desc): + return self.runInteraction( + desc, + self._simple_update_txn, + table, keyvalues, updatevalues, + ) + + @staticmethod + def _simple_update_txn(txn, table, keyvalues, updatevalues): + if keyvalues: + where = "WHERE %s" % " AND ".join("%s = ?" % k for k in keyvalues.iterkeys()) + else: + where = "" + + update_sql = "UPDATE %s SET %s %s" % ( + table, + ", ".join("%s = ?" % (k,) for k in updatevalues), + where, + ) + + txn.execute( + update_sql, + updatevalues.values() + keyvalues.values() + ) + + return txn.rowcount + def _simple_update_one(self, table, keyvalues, updatevalues, desc="_simple_update_one"): """Executes an UPDATE query on the named table, setting new values for @@ -768,27 +795,13 @@ class SQLBaseStore(object): table, keyvalues, updatevalues, ) - @staticmethod - def _simple_update_one_txn(txn, table, keyvalues, updatevalues): - if keyvalues: - where = "WHERE %s" % " AND ".join("%s = ?" % k for k in keyvalues.iterkeys()) - else: - where = "" + @classmethod + def _simple_update_one_txn(cls, txn, table, keyvalues, updatevalues): + rowcount = cls._simple_update_txn(txn, table, keyvalues, updatevalues) - update_sql = "UPDATE %s SET %s %s" % ( - table, - ", ".join("%s = ?" % (k,) for k in updatevalues), - where, - ) - - txn.execute( - update_sql, - updatevalues.values() + keyvalues.values() - ) - - if txn.rowcount == 0: + if rowcount == 0: raise StoreError(404, "No row found") - if txn.rowcount > 1: + if rowcount > 1: raise StoreError(500, "More than one row matched") @staticmethod