adding basic program to convert from Apollo LDF to staging tables

[migration-tools.git] / sql / base / base.sql

diff --git a/sql/base/base.sql b/sql/base/base.sql
index 8f16f68..f7744f1 100644 (file)
--- a/sql/base/base.sql
+++ b/sql/base/base.sql
@@ -2449,3 +2449,38 @@ CREATE OR REPLACE FUNCTION migration_tools.find_circ_matrix_matchpoint (INTEGER)
         )
     );
 $$ LANGUAGE SQL;
+
+CREATE OR REPLACE FUNCTION migration_tools.assert (BOOLEAN) RETURNS VOID AS $$
+    DECLARE
+        test ALIAS FOR $1;
+    BEGIN
+        IF NOT test THEN
+            RAISE EXCEPTION 'assertion';
+        END IF;
+    END;
+$$ LANGUAGE PLPGSQL STRICT VOLATILE;
+
+CREATE OR REPLACE FUNCTION migration_tools.assert (BOOLEAN,TEXT) RETURNS VOID AS $$
+    DECLARE
+        test ALIAS FOR $1;
+        msg ALIAS FOR $2;
+    BEGIN
+        IF NOT test THEN
+            RAISE EXCEPTION '%', msg;
+        END IF;
+    END;
+$$ LANGUAGE PLPGSQL STRICT VOLATILE;
+
+CREATE OR REPLACE FUNCTION migration_tools.assert (BOOLEAN,TEXT,TEXT) RETURNS TEXT AS $$
+    DECLARE
+        test ALIAS FOR $1;
+        fail_msg ALIAS FOR $2;
+        success_msg ALIAS FOR $3;
+    BEGIN
+        IF NOT test THEN
+            RAISE EXCEPTION '%', fail_msg;
+        END IF;
+        RETURN success_msg;
+    END;
+$$ LANGUAGE PLPGSQL STRICT VOLATILE;
+