Revision 2070
Added by Aaron Marcuse-Kubitza over 12 years ago
| lib/sql.py | ||
|---|---|---|
| 346 | 346 |
return run_query(db, query, params, recover, cacheable) |
| 347 | 347 |
|
| 348 | 348 |
def mk_insert_select(db, table, cols=None, select_query=None, params=None, |
| 349 |
returning=None, table_is_esc=False): |
|
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returning=None, embeddable=False, table_is_esc=False):
|
|
| 350 | 350 |
''' |
| 351 | 351 |
@param returning str|None An inserted column (such as pkey) to return |
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@param embeddable Whether the query should be embeddable as a nested SELECT. |
|
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If you set this, you must ensure cacheable=False when the query is run. |
|
| 352 | 354 |
@param table_is_esc Whether the table name has already been escaped |
| 353 | 355 |
''' |
| 354 | 356 |
if select_query == None: select_query = 'DEFAULT VALUES' |
| ... | ... | |
| 366 | 368 |
check_name(returning) |
| 367 | 369 |
query += ' RETURNING '+returning |
| 368 | 370 |
|
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if embeddable: |
|
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# Create function |
|
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function = 'pg_temp.'+('_'.join(['insert_returning', table] + cols))
|
|
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return_type = 'SETOF '+table+'.'+returning+'%TYPE' |
|
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function_query = '''\ |
|
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CREATE OR REPLACE FUNCTION '''+function+'''() RETURNS '''+return_type+''' |
|
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LANGUAGE sql |
|
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AS $$'''+mogrify(db, query, params)+''';$$; |
|
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''' |
|
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run_query(db, function_query, cacheable=True) |
|
| 381 |
|
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# Return query that uses function |
|
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return mk_select(db, function+'()', table_is_esc=True) |
|
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|
|
| 369 | 385 |
return (query, params) |
| 370 | 386 |
|
| 371 | 387 |
def insert_select(db, *args, **kw_args): |
Also available in: Unified diff
sql.py: mk_insert_select(): Support using an INSERT RETURNING statement as a nested SELECT