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Intern table column names once

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This commit is contained in:
Erik Johnston 2017-02-28 14:37:29 +00:00
parent 8a12b6f1eb
commit b84907bdbb
1 changed files with 2 additions and 3 deletions
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5
synapse/storage/_base.py
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@ -18,7 +18,6 @@ from synapse.api.errors import StoreError
from synapse.util.logcontext import LoggingContext, PreserveLoggingContext from synapse.util.logcontext import LoggingContext, PreserveLoggingContext
from synapse.util.caches.dictionary_cache import DictionaryCache from synapse.util.caches.dictionary_cache import DictionaryCache
from synapse.util.caches.descriptors import Cache from synapse.util.caches.descriptors import Cache
from synapse.util.caches import intern_dict
from synapse.storage.engines import PostgresEngine from synapse.storage.engines import PostgresEngine
import synapse.metrics import synapse.metrics
@ -356,9 +355,9 @@ class SQLBaseStore(object):
Returns: Returns:
A list of dicts where the key is the column header. A list of dicts where the key is the column header.
""" """
col_headers = list(column[0] for column in cursor.description) col_headers = list(intern(column[0]) for column in cursor.description)
results = list( results = list(
intern_dict(dict(zip(col_headers, row))) for row in cursor.fetchall() dict(zip(col_headers, row)) for row in cursor.fetchall()
) )
return results return results