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Refs #27324 -- Optimized DatabaseIntrospection.get_constraints() for foreign keys on Oracle.

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This commit is contained in:
Mariusz Felisiak 2016-12-06 01:12:37 +01:00 committed by Tim Graham
parent d4822148d0
commit 2d259e6bad
1 changed files with 2 additions and 4 deletions
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6
django/db/backends/oracle/introspection.py
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@ -220,14 +220,12 @@ class DatabaseIntrospection(BaseDatabaseIntrospection):
SELECT
cons.constraint_name,
LOWER(cols.column_name) AS column_name,
LOWER(rcons.table_name),
LOWER(rcols.table_name),
LOWER(rcols.column_name)
FROM
user_constraints cons
INNER JOIN
user_constraints rcons ON cons.r_constraint_name = rcons.constraint_name
INNER JOIN
user_cons_columns rcols ON rcols.constraint_name = rcons.constraint_name
user_cons_columns rcols ON rcols.constraint_name = cons.r_constraint_name
LEFT OUTER JOIN
user_cons_columns cols ON cons.constraint_name = cols.constraint_name
WHERE