Re: Execute SQL statements with 'context'/predefined variables - Mailing list pgsql-sql

...

> When you say use rules to inject constants, how would I go about
> doing this? Could you maybe give a brief example?

create view tab1_dml as select * from tab1;

-- note:
-- CONSTANT1 = 8
-- CONSTANT2 = 15

create or replace rule tab1_insert as  on insert  to tab1_dml
do instead(  insert into tab1( c1, c2 )  values( new.c1 * 8, 15 );
);


      
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