Revision 2063
Added by Aaron Marcuse-Kubitza about 12 years ago
| lib/sql.py | ||
|---|---|---|
| 341 | 341 |
|
| 342 | 342 |
default = object() # tells insert() to use the default value for a column |
| 343 | 343 |
|
| 344 |
def insert(db, table, row, returning=None, recover=None, cacheable=True,
|
|
| 345 |
table_is_esc=False): |
|
| 344 |
def insert_select(db, table, select_query=None, cols=None, params=None,
|
|
| 345 |
returning=None, recover=None, cacheable=True, table_is_esc=False):
|
|
| 346 | 346 |
''' |
| 347 | 347 |
@param returning str|None An inserted column (such as pkey) to return |
| 348 | 348 |
@param table_is_esc Whether the table name has already been escaped |
| 349 | 349 |
''' |
| 350 |
if select_query == None: select_query = 'DEFAULT VALUES' |
|
| 351 |
if cols == []: cols = None # no cols (all defaults) = unknown col names |
|
| 350 | 352 |
if not table_is_esc: check_name(table) |
| 353 |
|
|
| 354 |
# Build query |
|
| 355 |
query = 'INSERT INTO '+table |
|
| 356 |
if cols != None: |
|
| 357 |
map(check_name, cols) |
|
| 358 |
query += ' ('+', '.join(cols)+')'
|
|
| 359 |
query += ' '+select_query |
|
| 360 |
|
|
| 361 |
if returning != None: |
|
| 362 |
check_name(returning) |
|
| 363 |
query += ' RETURNING '+returning |
|
| 364 |
|
|
| 365 |
return run_query(db, query, params, recover, cacheable) |
|
| 366 |
|
|
| 367 |
def insert(db, table, row, *args, **kw_args): |
|
| 368 |
'''For args, see insert_select()''' |
|
| 351 | 369 |
if lists.is_seq(row): cols = None |
| 352 | 370 |
else: |
| 353 | 371 |
cols = row.keys() |
| 354 | 372 |
row = row.values() |
| 355 |
map(check_name, cols) |
|
| 356 | 373 |
row = list(row) # ensure that "!= []" works |
| 357 | 374 |
|
| 358 | 375 |
# Check for special values |
| ... | ... | |
| 365 | 382 |
values.append(value) |
| 366 | 383 |
|
| 367 | 384 |
# Build query |
| 368 |
query = 'INSERT INTO '+table |
|
| 369 |
if values != []: |
|
| 370 |
if cols != None: query += ' ('+', '.join(cols)+')'
|
|
| 371 |
query += ' VALUES ('+(', '.join(labels))+')'
|
|
| 372 |
else: query += ' DEFAULT VALUES' |
|
| 385 |
if values != []: query = ' VALUES ('+(', '.join(labels))+')'
|
|
| 386 |
else: query = None |
|
| 373 | 387 |
|
| 374 |
if returning != None: |
|
| 375 |
check_name(returning) |
|
| 376 |
query += ' RETURNING '+returning |
|
| 377 |
|
|
| 378 |
return run_query(db, query, values, recover, cacheable) |
|
| 388 |
return insert_select(db, table, query, cols, values, *args, **kw_args) |
|
| 379 | 389 |
|
| 380 | 390 |
def last_insert_id(db): |
| 381 | 391 |
module = util.root_module(db.db) |
Also available in: Unified diff
sql.py: Added insert_select() and use it in insert()