remove returns in function definition

src/main/kotlin/fr/postgresjson/definition/Function.kt

@@ -13,7 +13,7 @@ open class Function(
 
     init {
         val functionRegex =
-            """create (or replace )?(procedure|function) *(?<name>[^(\s]+)\s*\((?<params>(\s*((IN|OUT|INOUT|VARIADIC)?\s+)?([^\s,)]+\s+)?([^\s,)]+)(\s+(?:default\s|=)\s*[^\s,)]+)?\s*(,|(?=\))))*)\) *(?<return>RETURNS *[^ ]+)?"""
+            """create (or replace )?(procedure|function) *(?<name>[^(\s]+)\s*\((?<params>(\s*((IN|OUT|INOUT|VARIADIC)?\s+)?([^\s,)]+\s+)?([^\s,)]+)(\s+(?:default\s|=)\s*[^\s,)]+)?\s*(,|(?=\))))*)\) *(?<return>RETURNS *[^ \n]+)?"""
                 .toRegex(setOf(RegexOption.IGNORE_CASE, RegexOption.MULTILINE))
 
         val paramsRegex =
@@ -54,7 +54,7 @@ open class Function(
         return parameters
             .filter { it.direction == Parameter.Direction.IN }
             .joinToString(", ") { "${it.name} ${it.type}" }.let {
-                "$name ($it) $returns"
+                "$name ($it)"
             }
 
     }

src/test/resources/sql/function/Test1/function_test_duplicate.sql

@@ -1,8 +1,8 @@
-CREATE OR REPLACE FUNCTION test_function_duplicate (name text default 'plop', out result json)
+CREATE OR REPLACE FUNCTION test_function_duplicate (name text default 'plop') returns json
     LANGUAGE plpgsql
 AS
 $$
 BEGIN
-    result = json_build_object('id', 3, 'name', name);
+    return json_build_object('id', 3, 'name', name);
 END;
 $$

src/test/resources/sql/function/Test2/function_test_duplicate.sql

@@ -1,8 +1,8 @@
-CREATE OR REPLACE FUNCTION test_function_duplicate (name text default 'plop') returns text
+CREATE OR REPLACE FUNCTION test_function_duplicate (name text default 'plop', out result text)
     LANGUAGE plpgsql
 AS
 $$
 BEGIN
-    return name;
+    result = name;
 END;
 $$