Make prepare_query accept a pre-compiled template

sripathikrishnan · Sep 22, 2019 · 30504f4 · 30504f4
1 parent c81795b
commit 30504f4
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Showing 2 changed files with 14 additions and 1 deletion.
diff --git a/jinjasql/core.py b/jinjasql/core.py
@@ -162,7 +162,11 @@ def _prepare_environment(self):
         self.env.filters["inclause"] = bind_in_clause
 
     def prepare_query(self, source, data):
-        template = self.env.from_string(source)
+        if isinstance(source, Template):
+            template = source
+        else:
+            template = self.env.from_string(source)
+
         return self._prepare_query(template, data)
 
     def _prepare_query(self, template, data):

diff --git a/tests/test_jinjasql.py b/tests/test_jinjasql.py
@@ -78,6 +78,15 @@ def test_include(self):
         self.assertEquals(len(bind_params), 1)
         self.assertEquals(list(bind_params)[0], 123)
 
+    def test_precompiled_template(self):
+        source = "select * from dummy where project_id = {{ request.project_id }}"
+
+        j = JinjaSql()
+        query, bind_params = j.prepare_query(j.env.from_string(source), _DATA)
+
+        expected_query = "select * from dummy where project_id = %s"
+        self.assertEquals(query.strip(), expected_query.strip())
+
 def generate_yaml_tests():
     file_path = join(YAML_TESTS_ROOT, "macros.yaml")
     with open(file_path) as f: