Bug 35610: Set branchcode to NULL before adding the FK
Signed-off-by: Victor Grousset/tuxayo <victor@tuxayo.net> Signed-off-by: Katrin Fischer <katrin.fischer@bsz-bw.de>
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@ -8,6 +8,12 @@ return {
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my ( $dbh, $out ) = @$args{qw(dbh out)};
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unless ( foreign_key_exists('old_reserves', 'old_reserves_ibfk_branchcode') ) {
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$dbh->do(q{
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UPDATE old_reserves
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SET branchcode = NULL
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WHERE branchcode NOT IN (SELECT branchcode FROM branches)
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});
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$dbh->do(q{
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ALTER TABLE old_reserves
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ADD CONSTRAINT `old_reserves_ibfk_branchcode` FOREIGN KEY (`branchcode`) REFERENCES `branches` (`branchcode`) ON DELETE SET NULL ON UPDATE CASCADE;
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