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use of IN() with literals

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I'm trying to use the following script: (to give command line ability to change grant on all tables in public in a database)

psql -t -c “SELECT ‘GRANT $1 ON public.’ || t.relname || ‘ TO $2;’ from pg_class t, pg_namespace s WHERE t.relkind IN (‘r’, ‘v’, ‘S’) AND t.relnamespace=s.oid AND s.nspname=’public’;” $3 | psql $3

and it always fails at the "IN(‘r’, ‘v’, ‘S’)" part. psql won't accept the literals in the IN clause. Is this normal? What could fix this?

I've tried just doing:
(
after logging in to psql connected to a specific database)

select * from pg_class where relkind IN IN (‘r’, ‘v’, ‘S’);

and that doesn't work either.

Dennis Gearon

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