Psql doesn't allow multiple action rules

Hi,

now I'm really sure that at least only a few ppl might use
the current rule system.

Psql cannot send the queries for DEFINE RULE with multiple
actions to the backend. For this feature, the single colon
separated statements are enclosed in []'s. But psql doesn't
handle []'s and sends down the query at the first occurence
of a colon. And a colon cannot be escaped in psql, it must
occur in a literal string.

The question is now, should we tell psql that []'s have to be
treated like ()'s or should we change the syntax of CREATE
RULE in the backends parser from [] to ()?

Jan

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