--
CREATE TABLE syscol_table (a INT);
-- System columns cannot be indexed
-CREATE INDEX ON syscolcol_table (ctid);
-ERROR: relation "syscolcol_table" does not exist
+CREATE INDEX ON syscol_table (ctid);
+ERROR: index creation on system columns is not supported
-- nor used in expressions
CREATE INDEX ON syscol_table ((ctid >= '(1000,0)'));
ERROR: index creation on system columns is not supported
CREATE TABLE syscol_table (a INT);
-- System columns cannot be indexed
-CREATE INDEX ON syscolcol_table (ctid);
+CREATE INDEX ON syscol_table (ctid);
-- nor used in expressions
CREATE INDEX ON syscol_table ((ctid >= '(1000,0)'));