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Add _simple_update

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This commit is contained in:
Erik Johnston 2017-08-25 11:11:37 +01:00
parent 2800983f3e
commit 97c544f91f
1 changed files with 32 additions and 19 deletions
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51
synapse/storage/_base.py
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@ -743,6 +743,33 @@ class SQLBaseStore(object):
txn.execute(sql, values) txn.execute(sql, values)
return cls.cursor_to_dict(txn) 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, def _simple_update_one(self, table, keyvalues, updatevalues,
desc="_simple_update_one"): desc="_simple_update_one"):
"""Executes an UPDATE query on the named table, setting new values for """Executes an UPDATE query on the named table, setting new values for
@ -768,27 +795,13 @@ class SQLBaseStore(object):
table, keyvalues, updatevalues, table, keyvalues, updatevalues,
) )
@staticmethod @classmethod
def _simple_update_one_txn(txn, table, keyvalues, updatevalues): def _simple_update_one_txn(cls, txn, table, keyvalues, updatevalues):
if keyvalues: rowcount = cls._simple_update_txn(txn, table, keyvalues, updatevalues)
where = "WHERE %s" % " AND ".join("%s = ?" % k for k in keyvalues.iterkeys())
else:
where = ""
update_sql = "UPDATE %s SET %s %s" % ( if rowcount == 0:
table,
", ".join("%s = ?" % (k,) for k in updatevalues),
where,
)
txn.execute(
update_sql,
updatevalues.values() + keyvalues.values()
)
if txn.rowcount == 0:
raise StoreError(404, "No row found") raise StoreError(404, "No row found")
if txn.rowcount > 1: if rowcount > 1:
raise StoreError(500, "More than one row matched") raise StoreError(500, "More than one row matched")
@staticmethod @staticmethod