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Sort schema columns alphabetically #4595

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Merged
merged 8 commits into from
Feb 9, 2020
Merged

Sort schema columns alphabetically #4595

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f6b6431
Adds logic to sort column names returned by the query runner. If `sor…
susodapop Jan 27, 2020
3d14805
Moves table name sorting from model code into schema handler.
susodapop Jan 27, 2020
8a54dd4
Moves token sorting into the model code.
susodapop Jan 27, 2020
a5fe37f
Replaces single-quotes with double-quotes for consistency.
susodapop Jan 27, 2020
ccc909a
Applies black formatting to changes.
susodapop Jan 28, 2020
9c5dd99
Moves schema sort into separate method. Adds test.
susodapop Jan 28, 2020
a31f901
Fixes output schema variable name. Without this the sorted cache is n…
susodapop Jan 29, 2020
969ba81
Adds test case guaranteeing that the model actually _uses_ the schema…
susodapop Jan 29, 2020
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12 changes: 11 additions & 1 deletion redash/handlers/data_sources.py
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Original file line number Diff line number Diff line change
Expand Up @@ -190,7 +190,7 @@ def get(self, data_source_id):
response = {}

try:
response["schema"] = data_source.get_schema(refresh)
schema = data_source.get_schema(refresh)
except NotSupported:
response["error"] = {
"code": 1,
Expand All @@ -199,6 +199,16 @@ def get(self, data_source_id):
except Exception:
response["error"] = {"code": 2, "message": "Error retrieving schema."}

try:
sorted_schema = [{"name": i['name'], "columns": sorted(i['columns'])}
for i in sorted(schema, key=lambda x: x['name'])]
response["schema"] = sorted_schema
except Exception:
logging.exception(
"Error sorting schema columns for data_source {}"\
.format(data_source_id))
response['schema'] = schema

return response


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4 changes: 1 addition & 3 deletions redash/models/__init__.py
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Original file line number Diff line number Diff line change
Expand Up @@ -187,9 +187,7 @@ def get_schema(self, refresh=False):

if cache is None:
query_runner = self.query_runner
schema = sorted(
query_runner.get_schema(get_stats=refresh), key=lambda t: t["name"]
)
schema = query_runner.get_schema(get_stats=refresh)

redis_connection.set(self._schema_key, json_dumps(schema))
else:
Expand Down