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[Clickhouse] Change: convert UInt64 columns to integer type #1517

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Jan 24, 2017
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[Clickhouse] Change: convert UInt64 columns to integer type #1517

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9 changes: 8 additions & 1 deletion redash/query_runner/clickhouse.py
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Original file line number Diff line number Diff line change
Expand Up @@ -68,6 +68,7 @@ def _send_query(self, data, stream=False):
})
if r.status_code != 200:
raise Exception(r.text)
# logging.warning(r.json())
return r.json()

@staticmethod
Expand All @@ -89,7 +90,13 @@ def _clickhouse_query(self, query):
result = self._send_query(query)
columns = [{'name': r['name'], 'friendly_name': r['name'],
'type': self._define_column_type(r['type'])} for r in result['meta']]
return {'columns': columns, 'rows': result['data']}
# db converts value to string if its type equals UInt64
columns_uint64 = [r['name'] for r in result['meta'] if r['type'] == 'UInt64']
rows = result['data']
for row in rows:
for column in columns_uint64:
row[column] = int(row[column])
return {'columns': columns, 'rows': rows}

def run_query(self, query, user):
logger.debug("Clickhouse is about to execute query: %s", query)
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