Revision 2076
Added by Aaron Marcuse-Kubitza over 12 years ago
| sql.py | ||
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##### Heuristic queries |
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def try_insert(db, table, row, returning=None):
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'''Recovers from errors'''
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try: return insert(db, table, row, returning, recover=True)
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def with_parsed_errors(db, func):
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'''Translates known DB errors to typed exceptions'''
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try: return func()
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except Exception, e: |
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msg = str(e) |
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match = re.search(r'duplicate key value violates unique constraint ' |
| ... | ... | |
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if match: raise NullValueException([match.group(1)], e) |
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raise # no specific exception raised |
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def try_insert(db, table, row, returning=None): |
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'''Recovers from errors''' |
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return with_parsed_errors(db, lambda: insert(db, table, row, returning, |
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recover=True)) |
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def put(db, table, row, pkey, row_ct_ref=None): |
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'''Recovers from errors. |
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Only works under PostgreSQL (uses `INSERT ... RETURNING`)''' |
Also available in: Unified diff
sql.py: Added with_parsed_errors() and use it in try_insert()