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authorPatrick Cloke <clokep@users.noreply.github.com>2020-08-27 14:16:41 -0400
committerGitHub <noreply@github.com>2020-08-27 14:16:41 -0400
commitb71d4a094c4370d0229fbd4545b85c049364ecf3 (patch)
tree906ac6d422bf1aaefd574d812ef9200e4ee0a037 /synapse/storage
parentConvert calls of async database methods to async (#8166) (diff)
downloadsynapse-b71d4a094c4370d0229fbd4545b85c049364ecf3.tar.xz
Convert simple_delete to async/await. (#8191)
Diffstat (limited to 'synapse/storage')
-rw-r--r--synapse/storage/database.py63
-rw-r--r--synapse/storage/databases/main/group_server.py28
-rw-r--r--synapse/storage/databases/main/registration.py29
3 files changed, 85 insertions, 35 deletions
diff --git a/synapse/storage/database.py b/synapse/storage/database.py
index ba4c0c9af6..7ab370efef 100644
--- a/synapse/storage/database.py
+++ b/synapse/storage/database.py
@@ -614,6 +614,7 @@ class DatabasePool(object):
         """Runs a single query for a result set.
 
         Args:
+            desc: description of the transaction, for logging and metrics
             decoder - The function which can resolve the cursor results to
                 something meaningful.
             query - The query string to execute
@@ -649,7 +650,7 @@ class DatabasePool(object):
             or_ignore: bool stating whether an exception should be raised
                 when a conflicting row already exists. If True, False will be
                 returned by the function instead
-            desc: string giving a description of the transaction
+            desc: description of the transaction, for logging and metrics
 
         Returns:
              Whether the row was inserted or not. Only useful when `or_ignore` is True
@@ -686,7 +687,7 @@ class DatabasePool(object):
         Args:
             table: string giving the table name
             values: dict of new column names and values for them
-            desc: string giving a description of the transaction
+            desc: description of the transaction, for logging and metrics
         """
         await self.runInteraction(desc, self.simple_insert_many_txn, table, values)
 
@@ -700,7 +701,6 @@ class DatabasePool(object):
             txn: The transaction to use.
             table: string giving the table name
             values: dict of new column names and values for them
-            desc: string giving a description of the transaction
         """
         if not values:
             return
@@ -755,6 +755,7 @@ class DatabasePool(object):
             keyvalues: The unique key columns and their new values
             values: The nonunique columns and their new values
             insertion_values: additional key/values to use only when inserting
+            desc: description of the transaction, for logging and metrics
             lock: True to lock the table when doing the upsert.
         Returns:
             Native upserts always return None. Emulated upserts return True if a
@@ -1081,6 +1082,7 @@ class DatabasePool(object):
             retcols: list of strings giving the names of the columns to return
             allow_none: If true, return None instead of failing if the SELECT
                 statement returns no rows
+            desc: description of the transaction, for logging and metrics
         """
         return await self.runInteraction(
             desc, self.simple_select_one_txn, table, keyvalues, retcols, allow_none
@@ -1166,6 +1168,7 @@ class DatabasePool(object):
             table: table name
             keyvalues: column names and values to select the rows with
             retcol: column whos value we wish to retrieve.
+            desc: description of the transaction, for logging and metrics
 
         Returns:
             Results in a list
@@ -1190,6 +1193,7 @@ class DatabasePool(object):
                 column names and values to select the rows with, or None to not
                 apply a WHERE clause.
             retcols: the names of the columns to return
+            desc: description of the transaction, for logging and metrics
 
         Returns:
             A list of dictionaries.
@@ -1243,14 +1247,16 @@ class DatabasePool(object):
         """Executes a SELECT query on the named table, which may return zero or
         more rows, returning the result as a list of dicts.
 
-        Filters rows by if value of `column` is in `iterable`.
+        Filters rows by whether the value of `column` is in `iterable`.
 
         Args:
             table: string giving the table name
             column: column name to test for inclusion against `iterable`
             iterable: list
-            keyvalues: dict of column names and values to select the rows with
             retcols: list of strings giving the names of the columns to return
+            keyvalues: dict of column names and values to select the rows with
+            desc: description of the transaction, for logging and metrics
+            batch_size: the number of rows for each select query
         """
         results = []  # type: List[Dict[str, Any]]
 
@@ -1291,7 +1297,7 @@ class DatabasePool(object):
         """Executes a SELECT query on the named table, which may return zero or
         more rows, returning the result as a list of dicts.
 
-        Filters rows by if value of `column` is in `iterable`.
+        Filters rows by whether the value of `column` is in `iterable`.
 
         Args:
             txn: Transaction object
@@ -1367,6 +1373,7 @@ class DatabasePool(object):
             table: string giving the table name
             keyvalues: dict of column names and values to select the row with
             updatevalues: dict giving column names and values to update
+            desc: description of the transaction, for logging and metrics
         """
         await self.runInteraction(
             desc, self.simple_update_one_txn, table, keyvalues, updatevalues
@@ -1426,6 +1433,7 @@ class DatabasePool(object):
         Args:
             table: string giving the table name
             keyvalues: dict of column names and values to select the row with
+            desc: description of the transaction, for logging and metrics
         """
         await self.runInteraction(desc, self.simple_delete_one_txn, table, keyvalues)
 
@@ -1451,13 +1459,38 @@ class DatabasePool(object):
         if txn.rowcount > 1:
             raise StoreError(500, "More than one row matched (%s)" % (table,))
 
-    def simple_delete(self, table: str, keyvalues: Dict[str, Any], desc: str):
-        return self.runInteraction(desc, self.simple_delete_txn, table, keyvalues)
+    async def simple_delete(
+        self, table: str, keyvalues: Dict[str, Any], desc: str
+    ) -> int:
+        """Executes a DELETE query on the named table.
+
+        Filters rows by the key-value pairs.
+
+        Args:
+            table: string giving the table name
+            keyvalues: dict of column names and values to select the row with
+            desc: description of the transaction, for logging and metrics
+
+        Returns:
+            The number of deleted rows.
+        """
+        return await self.runInteraction(desc, self.simple_delete_txn, table, keyvalues)
 
     @staticmethod
     def simple_delete_txn(
         txn: LoggingTransaction, table: str, keyvalues: Dict[str, Any]
     ) -> int:
+        """Executes a DELETE query on the named table.
+
+        Filters rows by the key-value pairs.
+
+        Args:
+            table: string giving the table name
+            keyvalues: dict of column names and values to select the row with
+
+        Returns:
+            The number of deleted rows.
+        """
         sql = "DELETE FROM %s WHERE %s" % (
             table,
             " AND ".join("%s = ?" % (k,) for k in keyvalues),
@@ -1474,6 +1507,20 @@ class DatabasePool(object):
         keyvalues: Dict[str, Any],
         desc: str,
     ) -> int:
+        """Executes a DELETE query on the named table.
+
+        Filters rows by if value of `column` is in `iterable`.
+
+        Args:
+            table: string giving the table name
+            column: column name to test for inclusion against `iterable`
+            iterable: list
+            keyvalues: dict of column names and values to select the rows with
+            desc: description of the transaction, for logging and metrics
+
+        Returns:
+            Number rows deleted
+        """
         return await self.runInteraction(
             desc, self.simple_delete_many_txn, table, column, iterable, keyvalues
         )
diff --git a/synapse/storage/databases/main/group_server.py b/synapse/storage/databases/main/group_server.py
index 8acf254bf3..6c60171888 100644
--- a/synapse/storage/databases/main/group_server.py
+++ b/synapse/storage/databases/main/group_server.py
@@ -728,11 +728,13 @@ class GroupServerStore(GroupServerWorkerStore):
                 },
             )
 
-    def remove_room_from_summary(self, group_id, room_id, category_id):
+    async def remove_room_from_summary(
+        self, group_id: str, room_id: str, category_id: str
+    ) -> int:
         if category_id is None:
             category_id = _DEFAULT_CATEGORY_ID
 
-        return self.db_pool.simple_delete(
+        return await self.db_pool.simple_delete(
             table="group_summary_rooms",
             keyvalues={
                 "group_id": group_id,
@@ -772,8 +774,8 @@ class GroupServerStore(GroupServerWorkerStore):
             desc="upsert_group_category",
         )
 
-    def remove_group_category(self, group_id, category_id):
-        return self.db_pool.simple_delete(
+    async def remove_group_category(self, group_id: str, category_id: str) -> int:
+        return await self.db_pool.simple_delete(
             table="group_room_categories",
             keyvalues={"group_id": group_id, "category_id": category_id},
             desc="remove_group_category",
@@ -809,8 +811,8 @@ class GroupServerStore(GroupServerWorkerStore):
             desc="upsert_group_role",
         )
 
-    def remove_group_role(self, group_id, role_id):
-        return self.db_pool.simple_delete(
+    async def remove_group_role(self, group_id: str, role_id: str) -> int:
+        return await self.db_pool.simple_delete(
             table="group_roles",
             keyvalues={"group_id": group_id, "role_id": role_id},
             desc="remove_group_role",
@@ -940,11 +942,13 @@ class GroupServerStore(GroupServerWorkerStore):
                 },
             )
 
-    def remove_user_from_summary(self, group_id, user_id, role_id):
+    async def remove_user_from_summary(
+        self, group_id: str, user_id: str, role_id: str
+    ) -> int:
         if role_id is None:
             role_id = _DEFAULT_ROLE_ID
 
-        return self.db_pool.simple_delete(
+        return await self.db_pool.simple_delete(
             table="group_summary_users",
             keyvalues={"group_id": group_id, "role_id": role_id, "user_id": user_id},
             desc="remove_user_from_summary",
@@ -1264,16 +1268,16 @@ class GroupServerStore(GroupServerWorkerStore):
             desc="update_remote_attestion",
         )
 
-    def remove_attestation_renewal(self, group_id, user_id):
+    async def remove_attestation_renewal(self, group_id: str, user_id: str) -> int:
         """Remove an attestation that we thought we should renew, but actually
         shouldn't. Ideally this would never get called as we would never
         incorrectly try and do attestations for local users on local groups.
 
         Args:
-            group_id (str)
-            user_id (str)
+            group_id
+            user_id
         """
-        return self.db_pool.simple_delete(
+        return await self.db_pool.simple_delete(
             table="group_attestations_renewals",
             keyvalues={"group_id": group_id, "user_id": user_id},
             desc="remove_attestation_renewal",
diff --git a/synapse/storage/databases/main/registration.py b/synapse/storage/databases/main/registration.py
index 28f7ae0430..12689f4308 100644
--- a/synapse/storage/databases/main/registration.py
+++ b/synapse/storage/databases/main/registration.py
@@ -529,21 +529,21 @@ class RegistrationWorkerStore(SQLBaseStore):
             "user_get_threepids",
         )
 
-    def user_delete_threepid(self, user_id, medium, address):
-        return self.db_pool.simple_delete(
+    async def user_delete_threepid(self, user_id, medium, address) -> None:
+        await self.db_pool.simple_delete(
             "user_threepids",
             keyvalues={"user_id": user_id, "medium": medium, "address": address},
             desc="user_delete_threepid",
         )
 
-    def user_delete_threepids(self, user_id: str):
+    async def user_delete_threepids(self, user_id: str) -> None:
         """Delete all threepid this user has bound
 
         Args:
              user_id: The user id to delete all threepids of
 
         """
-        return self.db_pool.simple_delete(
+        await self.db_pool.simple_delete(
             "user_threepids",
             keyvalues={"user_id": user_id},
             desc="user_delete_threepids",
@@ -597,21 +597,20 @@ class RegistrationWorkerStore(SQLBaseStore):
             desc="user_get_bound_threepids",
         )
 
-    def remove_user_bound_threepid(self, user_id, medium, address, id_server):
+    async def remove_user_bound_threepid(
+        self, user_id: str, medium: str, address: str, id_server: str
+    ) -> None:
         """The server proxied an unbind request to the given identity server on
         behalf of the given user, so we remove the mapping of threepid to
         identity server.
 
         Args:
-            user_id (str)
-            medium (str)
-            address (str)
-            id_server (str)
-
-        Returns:
-            Deferred
+            user_id
+            medium
+            address
+            id_server
         """
-        return self.db_pool.simple_delete(
+        await self.db_pool.simple_delete(
             table="user_threepid_id_server",
             keyvalues={
                 "user_id": user_id,
@@ -1247,14 +1246,14 @@ class RegistrationStore(RegistrationBackgroundUpdateStore):
             desc="add_user_pending_deactivation",
         )
 
-    def del_user_pending_deactivation(self, user_id):
+    async def del_user_pending_deactivation(self, user_id: str) -> None:
         """
         Removes the given user to the table of users who need to be parted from all the
         rooms they're in, effectively marking that user as fully deactivated.
         """
         # XXX: This should be simple_delete_one but we failed to put a unique index on
         # the table, so somehow duplicate entries have ended up in it.
-        return self.db_pool.simple_delete(
+        await self.db_pool.simple_delete(
             "users_pending_deactivation",
             keyvalues={"user_id": user_id},
             desc="del_user_pending_deactivation",