Explicit NULL dereference (src/backend/utils/adt/ruleutils.c)

[Ranier Vilela]

Hi,

Per Coverity.

make_ruledef function can dereference a NULL pointer (actions),
if "ev_qual" is provided and "actions" does not exist.

The comment there is contradictory: " /* these could be nulls */ "
Because if "ev_qual" is not null, "actions" cannot be either.

Solution proposed merely as a learning experience.

regards,
Ranier Vilela

fix_explicit_null_dereference_ruleutils.patch
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