insert into T_pkey1 values (1, 'key1-1', 'test key');
ERROR:  pltcl: internal error - cannot create 'normal' interpreter
insert into T_pkey1 values (1, 'key1-2', 'test key');
ERROR:  pltcl: internal error - cannot create 'normal' interpreter
insert into T_pkey1 values (1, 'key1-3', 'test key');
ERROR:  pltcl: internal error - cannot create 'normal' interpreter
insert into T_pkey1 values (2, 'key2-1', 'test key');
ERROR:  pltcl: internal error - cannot create 'normal' interpreter
insert into T_pkey1 values (2, 'key2-2', 'test key');
ERROR:  pltcl: internal error - cannot create 'normal' interpreter
insert into T_pkey1 values (2, 'key2-3', 'test key');
ERROR:  pltcl: internal error - cannot create 'normal' interpreter
insert into T_pkey2 values (1, 'key1-1', 'test key');
ERROR:  pltcl: internal error - cannot create 'normal' interpreter
insert into T_pkey2 values (1, 'key1-2', 'test key');
ERROR:  pltcl: internal error - cannot create 'normal' interpreter
insert into T_pkey2 values (1, 'key1-3', 'test key');
ERROR:  pltcl: internal error - cannot create 'normal' interpreter
insert into T_pkey2 values (2, 'key2-1', 'test key');
ERROR:  pltcl: internal error - cannot create 'normal' interpreter
insert into T_pkey2 values (2, 'key2-2', 'test key');
ERROR:  pltcl: internal error - cannot create 'normal' interpreter
insert into T_pkey2 values (2, 'key2-3', 'test key');
ERROR:  pltcl: internal error - cannot create 'normal' interpreter
select * from T_pkey1;
 key1 | key2 | txt 
------+------+-----
(0 rows)

select * from T_pkey2;
 key1 | key2 | txt 
------+------+-----
(0 rows)

insert into T_pkey1 values (1, 'KEY1-3', 'should work');
ERROR:  pltcl: internal error - cannot create 'normal' interpreter
insert into T_pkey2 values (1, 'KEY1-3', 'should fail');
ERROR:  pltcl: internal error - cannot create 'normal' interpreter
insert into T_dta1 values ('trec 1', 1, 'key1-1');
ERROR:  pltcl: internal error - cannot create 'normal' interpreter
insert into T_dta1 values ('trec 2', 1, 'key1-2');
ERROR:  pltcl: internal error - cannot create 'normal' interpreter
insert into T_dta1 values ('trec 3', 1, 'key1-3');
ERROR:  pltcl: internal error - cannot create 'normal' interpreter
insert into T_dta1 values ('trec 4', 1, 'key1-4');
ERROR:  pltcl: internal error - cannot create 'normal' interpreter
insert into T_dta2 values ('trec 1', 1, 'KEY1-1');
ERROR:  pltcl: internal error - cannot create 'normal' interpreter
insert into T_dta2 values ('trec 2', 1, 'KEY1-2');
ERROR:  pltcl: internal error - cannot create 'normal' interpreter
insert into T_dta2 values ('trec 3', 1, 'KEY1-3');
ERROR:  pltcl: internal error - cannot create 'normal' interpreter
insert into T_dta2 values ('trec 4', 1, 'KEY1-4');
ERROR:  pltcl: internal error - cannot create 'normal' interpreter
select * from T_dta1;
 tkey | ref1 | ref2 
------+------+------
(0 rows)

select * from T_dta2;
 tkey | ref1 | ref2 
------+------+------
(0 rows)

update T_pkey1 set key2 = 'key2-9' where key1 = 2 and key2 = 'key2-1';
update T_pkey1 set key2 = 'key1-9' where key1 = 1 and key2 = 'key1-1';
delete from T_pkey1 where key1 = 2 and key2 = 'key2-2';
delete from T_pkey1 where key1 = 1 and key2 = 'key1-2';
update T_pkey2 set key2 = 'KEY2-9' where key1 = 2 and key2 = 'KEY2-1';
update T_pkey2 set key2 = 'KEY1-9' where key1 = 1 and key2 = 'KEY1-1';
delete from T_pkey2 where key1 = 2 and key2 = 'KEY2-2';
delete from T_pkey2 where key1 = 1 and key2 = 'KEY1-2';
select * from T_pkey1;
 key1 | key2 | txt 
------+------+-----
(0 rows)

select * from T_pkey2;
 key1 | key2 | txt 
------+------+-----
(0 rows)

select * from T_dta1;
 tkey | ref1 | ref2 
------+------+------
(0 rows)

select * from T_dta2;
 tkey | ref1 | ref2 
------+------+------
(0 rows)

select tcl_avg(key1) from T_pkey1;
ERROR:  pltcl: internal error - cannot create 'normal' interpreter
select tcl_sum(key1) from T_pkey1;
 tcl_sum 
---------
       0
(1 row)

select tcl_avg(key1) from T_pkey2;
ERROR:  pltcl: internal error - cannot create 'normal' interpreter
select tcl_sum(key1) from T_pkey2;
 tcl_sum 
---------
       0
(1 row)

select tcl_avg(key1) from T_pkey1 where key1 = 99;
ERROR:  pltcl: internal error - cannot create 'normal' interpreter
select tcl_sum(key1) from T_pkey1 where key1 = 99;
 tcl_sum 
---------
       0
(1 row)

select 1 @< 2;
ERROR:  pltcl: internal error - cannot create 'normal' interpreter
select 100 @< 4;
ERROR:  pltcl: internal error - cannot create 'normal' interpreter
select * from T_pkey1 order by key1 using @<, key2;
 key1 | key2 | txt 
------+------+-----
(0 rows)

select * from T_pkey2 order by key1 using @<, key2;
 key1 | key2 | txt 
------+------+-----
(0 rows)