[SQL] PL/SQL block error

[Sivannarayanreddy]

Title:

Hello, I am very new to the postgres sql, i am trying to execute below pl/sql block in postgres but i am getting error 'ERROR:  syntax error at or near "integer" ', Could some one help me in this regard declare v_count integer; begin select  count(1) into v_count  from  pg_index inx where  inx.indexrelid in  (select oid from pg_class where relname='action_pk' and relowner in  (select oid from pg_authid where rolname='postgres_ref'))  and inx.indrelid in  (select oid from pg_class where relname='action' and relowner in  (select oid from pg_authid where rolname='postgres_ref')); if v_count = 0 then  execute immediate 'create unique index action_pk    on action(acn_id)';  end if; end Sivannarayanareddy Nusum | System Analyst(Moneta GDO) Subex Limited, Adarsh Tech Park, Outer Ring Road, Devarabisannalli, Bangalore – 560037, India. Phone: +91 80 6696 3371; Mobile: +91 9902065831  Fax: +91 80 6696 3333; Email:  sivannarayanre...@subexworld.com; URL:  www.subexworld.com   Disclaimer: This e-mail is bound by the terms and conditions described at http://www.subexworld.com/mail-disclaimer.html