From: Jacobo de Vera <devel@jacobodevera.com>
Date: Fri, 13 Nov 2015 15:57:41 +0000 (+0100)
Subject: Pass precision value to mssql.DATETIME2 when it is 0
X-Git-Tag: rel_1_0_10~49
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=f34deb456e9d2a82fa8f2f1accc20a896760bd17;p=thirdparty%2Fsqlalchemy%2Fsqlalchemy.git

Pass precision value to mssql.DATETIME2 when it is 0

The simple check on the precision results in DATETIME2(0) generating a
DATETIME2 column, with default precision, which is 7.

(cherry picked from commit 80ce23f6fd0f14ab656d3ec82773bd0cffbd4791)
---

diff --git a/lib/sqlalchemy/dialects/mssql/base.py b/lib/sqlalchemy/dialects/mssql/base.py
index da8bbbd5f6..3a81861bb3 100644
--- a/lib/sqlalchemy/dialects/mssql/base.py
+++ b/lib/sqlalchemy/dialects/mssql/base.py
@@ -788,7 +788,7 @@ class MSTypeCompiler(compiler.GenericTypeCompiler):
 
     def visit_DATETIME2(self, type_, **kw):
         precision = getattr(type_, 'precision', None)
-        if precision:
+        if precision is not None:
             return "DATETIME2(%s)" % precision
         else:
             return "DATETIME2"
diff --git a/test/dialect/mssql/test_types.py b/test/dialect/mssql/test_types.py
index 17ceb6b61a..e5462eb79a 100644
--- a/test/dialect/mssql/test_types.py
+++ b/test/dialect/mssql/test_types.py
@@ -466,6 +466,8 @@ class TypeRoundTripTest(
 
             (mssql.MSDateTime2, [], {},
              'DATETIME2', ['>=', (10,)]),
+            (mssql.MSDateTime2, [0], {},
+             'DATETIME2(0)', ['>=', (10,)]),
             (mssql.MSDateTime2, [1], {},
              'DATETIME2(1)', ['>=', (10,)]),