Fix the error with strict = false parameter

Artur Zakirov · Artur Zakirov · commit 4cdfe45dcdb5 · 2016-05-20T13:08:37.000+03:00
diff --git a/contrib/pg_variables/expected/pg_variables.out b/contrib/pg_variables/expected/pg_variables.out
@@ -1,5 +1,13 @@
 CREATE EXTENSION pg_variables;
 -- Integer variables
+SELECT pgv_get_int('vars', 'int1');
+ERROR:  unrecognized package "vars"
+SELECT pgv_get_int('vars', 'int1', false);
+ pgv_get_int 
+-------------
+            
+(1 row)
+
 SELECT pgv_set_int('vars', 'int1', 101);
  pgv_set_int 
 -------------
diff --git a/contrib/pg_variables/pg_variables.c b/contrib/pg_variables/pg_variables.c
@@ -132,6 +132,12 @@ variable_get(text *package_name, text *var_name,
 	ScalarVar		   *scalar;
 
 	package = getPackageByName(package_name, false, strict);
+	if (package == NULL)
+	{
+		*is_null = true;
+		return 0;
+	}
+
 	variable = getVariableByNameWithType(package->variablesHash,
 										 var_name, typid, false, strict);
 
diff --git a/contrib/pg_variables/sql/pg_variables.sql b/contrib/pg_variables/sql/pg_variables.sql
@@ -1,6 +1,9 @@
 CREATE EXTENSION pg_variables;
 
 -- Integer variables
+SELECT pgv_get_int('vars', 'int1');
+SELECT pgv_get_int('vars', 'int1', false);
+
 SELECT pgv_set_int('vars', 'int1', 101);
 SELECT pgv_set_int('vars', 'int2', 102);
 
