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[MySQL] Change: faster retrieval of schema #1540

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Jan 24, 2017
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[MySQL] Change: faster retrieval of schema #1540

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7 changes: 1 addition & 6 deletions redash/query_runner/mysql.py
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Original file line number Diff line number Diff line change
Expand Up @@ -93,12 +93,7 @@ def _get_tables(self, schema):
col.table_name,
col.column_name
FROM `information_schema`.`columns` col
INNER JOIN
(SELECT table_schema,
TABLE_NAME
FROM information_schema.tables
WHERE table_type <> 'SYSTEM VIEW' AND table_schema NOT IN ('performance_schema', 'mysql')) tables ON tables.table_schema = col.table_schema
AND tables.TABLE_NAME = col.TABLE_NAME;
WHERE col.table_schema NOT IN ('information_schema', 'performance_schema', 'mysql');
"""

results, error = self.run_query(query, None)
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