Thu, 04 Mar 2010 11:45:29 +0100 Sylvain Thénault [rql2sql] fix potential crash when testing _q_invariant on a ColumnAlias instead of a Variable by always considering _q_invariant to false for them stable
Thu, 04 Mar 2010 10:58:28 +0100 Sylvain Thénault backport stable
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