Working fully qualified table name and tables in different schema fro…

…m function.

versioning_function.sql

@@ -34,7 +34,7 @@ BEGIN
   history_table := TG_ARGV[1];
 
   -- check if sys_period exists on original table
-  SELECT atttypid, attndims INTO holder FROM pg_attribute WHERE attrelid = TG_TABLE_NAME::regclass AND attname = sys_period AND NOT attisdropped;
+  SELECT atttypid, attndims INTO holder FROM pg_attribute WHERE attrelid = TG_RELID AND attname = sys_period AND NOT attisdropped;
   IF NOT FOUND THEN
     RAISE 'column "%" of relation "%" does not exist', sys_period, TG_TABLE_NAME USING
     ERRCODE = 'undefined_column';
@@ -68,7 +68,7 @@ BEGIN
     END IF;
 
     -- check if history table exits
-    IF to_regclass(history_table) IS NULL THEN
+    IF history_table::regclass IS NULL THEN
       RAISE 'relation "%" does not exist', history_table;
     END IF;
 
@@ -108,7 +108,7 @@ BEGIN
       main AS
       (SELECT attname, atttypid
       FROM   pg_attribute
-      WHERE  attrelid = TG_TABLE_NAME::regclass
+      WHERE  attrelid = TG_RELID
       AND    attnum > 0
       AND    NOT attisdropped)
     SELECT
@@ -138,7 +138,7 @@ BEGIN
       main AS
       (SELECT attname
       FROM   pg_attribute
-      WHERE  attrelid = TG_TABLE_NAME::regclass
+      WHERE  attrelid = TG_RELID
       AND    attnum > 0
       AND    NOT attisdropped)
     SELECT array_agg(quote_ident(history.attname)) INTO commonColumns
@@ -148,7 +148,12 @@ BEGIN
       AND history.attname != sys_period;
 
     EXECUTE ('INSERT INTO ' ||
-      quote_ident(history_table) ||
+      CASE split_part(history_table, '.', 2)
+      WHEN '' THEN
+        quote_ident(history_table)
+      ELSE
+        quote_ident(split_part(history_table, '.', 1)) || '.' || quote_ident(split_part(history_table, '.', 2))
+      END ||
       '(' ||
       array_to_string(commonColumns , ',') ||
       ',' ||