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authorMike Bayer <mike_mp@zzzcomputing.com>2018-07-09 15:47:14 -0400
committerMike Bayer <mike_mp@zzzcomputing.com>2018-07-09 21:48:39 -0400
commitf7076ecf361f276f5ddb81f80931e5c88215e8ca (patch)
treef292ec5013c94defbaa4c05cc957cb751e28a412 /lib/sqlalchemy/sql/compiler.py
parent9d743870722fc6757404674bd821382798a1ba43 (diff)
downloadsqlalchemy-f7076ecf361f276f5ddb81f80931e5c88215e8ca.tar.gz
support functions "as binary comparison"
Added new feature :meth:`.FunctionElement.as_comparison` which allows a SQL function to act as a binary comparison operation that can work within the ORM. Change-Id: I07018e2065d09775c0406cabdd35fc38cc0da699 Fixes: #3831
Diffstat (limited to 'lib/sqlalchemy/sql/compiler.py')
-rw-r--r--lib/sqlalchemy/sql/compiler.py3
1 files changed, 3 insertions, 0 deletions
diff --git a/lib/sqlalchemy/sql/compiler.py b/lib/sqlalchemy/sql/compiler.py
index 75827b34e..ae1dd2c7c 100644
--- a/lib/sqlalchemy/sql/compiler.py
+++ b/lib/sqlalchemy/sql/compiler.py
@@ -1079,6 +1079,9 @@ class SQLCompiler(Compiled):
else:
return self._generate_generic_binary(binary, opstring, **kw)
+ def visit_function_as_comparison_op_binary(self, element, operator, **kw):
+ return self.process(element.sql_function, **kw)
+
def visit_mod_binary(self, binary, operator, **kw):
if self.preparer._double_percents:
return self.process(binary.left, **kw) + " %% " + \