Revision 2687
Added by Aaron Marcuse-Kubitza about 12 years ago
| sql.py | ||
|---|---|---|
| 839 | 839 |
'''Adds an index on a column or expression if it doesn't already exist. |
| 840 | 840 |
Currently, only function calls are supported as expressions. |
| 841 | 841 |
''' |
| 842 |
expr = copy.copy(expr) # don't modify input! |
|
| 842 |
expr = copy.deepcopy(expr) # don't modify input!
|
|
| 843 | 843 |
|
| 844 | 844 |
# Extract col |
| 845 | 845 |
if isinstance(expr, sql_gen.FunctionCall): |
Also available in: Unified diff
sql.py: add_index(): Fixed bug where expr needed to be deep copied so that any column nested in it (e.g. inside a FunctionCall) wouldn't be modified when col.table is set to None