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Decode from base64 for BYTES values from Spanner #1

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Decode from base64 for BYTES values from Spanner #1

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14 changes: 13 additions & 1 deletion redash/query_runner/spanner.py
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Original file line number Diff line number Diff line change
Expand Up @@ -92,7 +92,7 @@ def run_query(self, query, user):
try:
cursor.execute(query)
columns = self.fetch_columns([(i[0], i[1]) for i in cursor.description])
rows = [dict(zip((column["name"] for column in columns), row)) for row in cursor.fetchall()]
rows = [self.prepare_col_value(cursor.description, row) for row in cursor.fetchall()]

data = {
"columns": columns,
Expand All @@ -111,6 +111,18 @@ def run_query(self, query, user):
return data, error


@staticmethod
def prepare_col_value(col_descriptions, row):

row_dict = {}
for (desc, val) in zip(col_descriptions, row):
if desc[1] == 'BYTES':
val = b64decode(val)
row_dict[desc[0]] = val

return row_dict


def fetch_columns(self, columns):

column_types = {
Expand Down