Dave Smith <dave.smith@candata.com> writes:
> I am using 7.4.5 and trying to use the like clause (Local C) but
> postgres does not seem to want to use the index.
You *sure* you're using C locale? Try "show lc_collate".
If you're not, and don't want to re-initdb, you can make an index using
the text_pattern_ops operator class to support LIKE. See the manual or
recent discussions in pgsql-performance.
regards, tom lane