I'm trying to create a function like so:
create function get_lid_prefix (text) returns setof int as
'select lid from ilemma where lemma ~ \'^\' + upper($1)'
language 'sql';
I've tried several variations, including
'select lid from ilemma where lemma ~ ' || '^' || ' upper ($1)'
'select lid from ilemma where lemma ~ (cast ''^'' as text) || upper ($1)'
but nothing works. Can I do this at all? The idea is that if $1 is
"foo", the query should be
select lid from ilemma where lemma ~ '^FOO'
I'm running PostgreSQL 7.4 on sparc-sun-solaris2.8, compiled by GCC 3.0.4.
Thanks,
Nishad
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