[entropy.db] EntropyRepository: small sqlite3 performance improvement, make it store temp tables in RAM

2010-09-24 14:27:59 +02:00
parent 32c887e298
commit c2e7f3b51b
1 changed files with 4 additions and 0 deletions
@@ -514,6 +514,10 @@ class EntropyRepository(EntropyRepositoryBase):
            # !!! enable foreign keys pragma !!! do not remove this
            # otherwise removePackage won't work properly
            cursor.execute("pragma foreign_keys = 1")
+            # setup temporary tables and indices storage
+            # to in-memory value
+            # http://www.sqlite.org/pragma.html#pragma_temp_store
+            cursor.execute("pragma temp_store = 2")
            self.__cursor_cache[c_key] = cursor
            # memory databases are critical because every new cursor brings
            # up a totally empty repository. So, enforce initialization.