symmetric relations: replace bogus rql2sql translation by a hook The hook ensures X r Y => Y r X iff r is symmetric. The rql-no-hook data importer receives a small amendment but note that: * there exist no test for it * its actual semantics are undefined Hence we cannot prove this hunk breaks nothing, because we cannot prove anything. Closes #3259713.

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#! /bin/sh -e

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if [ -x "/etc/init.d/cubicweb-ctl" ]; then

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    invoke-rc.d cubicweb-ctl restart || true

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fi

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#DEBHELPER#

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exit 0