From 1776597131ef96472b5188cebc72c31a387c90f4 Mon Sep 17 00:00:00 2001
From: Mike Bayer <mike_mp@zzzcomputing.com>
Date: Thu, 22 Jun 2017 23:51:52 -0400
Subject: Coerce float Python type to Float; ensure Python float coming back

Added some extra strictness to the handling of Python "float" values
passed to SQL statements.  A "float" value will be associated with the
:class:`.Float` datatype and not the Decimal-coercing :class:`.Numeric`
datatype as was the case before, eliminating a confusing warning
emitted on SQLite as well as unecessary coercion to Decimal.

Change-Id: I1bb1810ff1d198c0d929ccba5656e55401d74119
Fixes: #4017
---
 lib/sqlalchemy/sql/sqltypes.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'lib/sqlalchemy/sql')

diff --git a/lib/sqlalchemy/sql/sqltypes.py b/lib/sqlalchemy/sql/sqltypes.py
index 7a3c50549..06b5e5c19 100644
--- a/lib/sqlalchemy/sql/sqltypes.py
+++ b/lib/sqlalchemy/sql/sqltypes.py
@@ -2604,7 +2604,7 @@ MATCHTYPE = MatchType()
 
 _type_map = {
     int: Integer(),
-    float: Numeric(),
+    float: Float(),
     bool: BOOLEANTYPE,
     decimal.Decimal: Numeric(),
     dt.date: Date(),
-- 
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