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[boulder-oracle-sprint] Oracle "inspectdb" runs, thanks to Mitchell Smith for the hairy SQL needed

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git-svn-id: http://code.djangoproject.com/svn/django/branches/boulder-oracle-sprint@4023 bcc190cf-cafb-0310-a4f2-bffc1f526a37
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Boulder Sprinters 2006-11-06 16:22:02 +00:00
parent 53222ce9a1
commit b47c350b56
1 changed files with 19 additions and 2 deletions
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19
django/db/backends/oracle/introspection.py
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@ -25,7 +25,24 @@ def get_relations(cursor, table_name):
Returns a dictionary of {field_index: (field_index_other_table, other_table)} Returns a dictionary of {field_index: (field_index_other_table, other_table)}
representing all relationships to the given table. Indexes are 0-based. representing all relationships to the given table. Indexes are 0-based.
""" """
raise NotImplementedError cursor.execute("""
SELECT ta.column_id - 1, tb.table_name, tb.column_id - 1
FROM user_constraints, USER_CONS_COLUMNS ca, USER_CONS_COLUMNS cb,
user_tab_cols ta, user_tab_cols tb
WHERE user_constraints.table_name = %s AND
ta.table_name = %s AND
ta.column_name = ca.column_name AND
ca.table_name = %s AND
user_constraints.constraint_name = ca.constraint_name AND
user_constraints.r_constraint_name = cb.constraint_name AND
cb.table_name = tb.table_name AND
cb.column_name = tb.column_name AND
ca.position = cb.position""", [table_name, table_name, table_name])
relations = {}
for row in cursor.fetchall():
relations[row[0]] = (row[2], row[1])
return relations
def get_indexes(cursor, table_name): def get_indexes(cursor, table_name):
""" """