Bob Pawley wrote:
Sample 2 below, does not work. From a logical (perhaps naive) extension
of Sample 1, I adapted the function to identify which of the serial
numbers in table pr is to be transferred to table pi. I am attempting to
do this as part of the database structure _not_ as data retrieval.
Could someone explain to me why this isn't acceptable as a simple basic
function?
Could someone explain to me what needs to be changed, enhanced or
modified to make this database structure work?
Sample 2
create or replace function base() returns trigger as $$
begin
insert into pi (fluid_id) values (new.fluid_id)
where pr (contain) = 'ip';
I suppose you mean "where pr.contain = 'ip'" instead? pr is a table, not
a function.
You'd be in some interesting trouble if there'd be a function pr(text)
returning text - it would evaluate the function with the content of your
column and compare the result to your string.
ERROR: syntax error at or near "where" at character 41
QUERY: insert into pi (fluid_id) values ( $1 ) where pr (contain) = 'ip'
CONTEXT: PL/pgSQL function "base" line 2 at SQL statement
--
Alban Hertroys
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