- support for cdecimal

- add --with-cdecimal flag to tests, monkeypatches cdecimal in
- fix mssql/pyodbc.py to not use private '_int' accessor in decimal conversion
routines
- pyodbc version 2.1.8 is needed for cdecimal in any case as
previous versions also called '_int', 2.1.8 adds the same string
logic as our own dialect, so that logic is skipped for modern
pyodbc version
- make the imports for "Decimal" consistent across the whole lib.  not sure
yet how we should be importing "Decimal" or what the best way forward
is that would allow a clean user-invoked swap of cdecimal; for now,
added docs suggesting a global monkeypatch - the two decimal libs
are not compatible with each other so any chance of mixing produces
serious issues.  adding adapters to DBAPIs tedious and adds in-python
overhead.  suggestions welcome on how we should be doing
Decimal/cdecimal.

1 files changed, 1 insertions, 2 deletions

diff --git a/test/lib/util.py b/test/lib/util.py
index b8cc05a81..4c9892852 100644
--- a/test/lib/util.py
+++ b/test/lib/util.py
@@ -1,4 +1,5 @@
 from sqlalchemy.util import jython, defaultdict, decorator
+from sqlalchemy.util.compat import decimal
 
 import gc
 import time
@@ -44,8 +45,6 @@ def round_decimal(value, prec):
     if isinstance(value, float):
         return round(value, prec)
     
-    import decimal
-
     # can also use shift() here but that is 2.6 only
     return (value * decimal.Decimal("1" + "0" * prec)).to_integral(decimal.ROUND_FLOOR) / \
                         pow(10, prec)