[exim] Help with "if" syntax

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Szerző: Martin A. Brooks
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Címzett: exim-users
Tárgy: [exim] Help with "if" syntax
Hi

I have an ACL entry that pulls a value from a SQL database. If the
database is unavailable, I'd like the entry to default to a sensible figure.

So far I have this:

warn set acl_m6 = ${if eq{${lookup pgsql{ATTHRESH}}{0}{60}{${lookup
pgsql{ATTHRESH}}}

Which gives the error:

    syntax error in "if" item - "fail" expected


Looking at the documentation for if, I can't make sense of why this is
expecting "fail" nor where I should place it.

Any pointers would be greatly appreciated.

Thanks

Martin A. Brooks