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Lines 7-18
return {
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my ($args) = @_; |
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my ($args) = @_; |
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my ($dbh, $out) = @$args{qw(dbh out)}; |
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my ($dbh, $out) = @$args{qw(dbh out)}; |
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# Delete 'empty' guarantors. No longer possible to add them via interface. Have no use. |
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# Remove constraint at start |
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$dbh->do(q{ |
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if ( foreign_key_exists('borrower_relationships', 'r_guarantor') ) { |
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DELETE FROM borrower_relationships WHERE guarantor_id IS NULL |
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$dbh->do(q{ |
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ALTER TABLE borrower_relationships DROP FOREIGN KEY `r_guarantor` |
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}); |
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say $out "Temporarily removing FK constraint on guarantor_id"; |
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} |
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# Delete bad/empty guarantors. No longer possible to add them via interface. Have no use. |
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my $cnt = $dbh->do(q{ |
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DELETE borrower_relationships FROM borrower_relationships LEFT JOIN borrowers bo ON bo.borrowernumber=guarantor_id WHERE guarantor_id IS NULL OR bo.borrowernumber IS NULL; |
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}); |
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}); |
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say $out "Removed $cnt bad guarantor relationship records" if $cnt && $cnt =~ /^\d+$/; |
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# Make column NOT NULL and add constraint back |
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$dbh->do(q{ |
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$dbh->do(q{ |
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ALTER TABLE borrower_relationships CHANGE COLUMN guarantor_id guarantor_id int(11) NOT NULL |
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ALTER TABLE borrower_relationships CHANGE COLUMN guarantor_id guarantor_id int(11) NOT NULL |
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}); |
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}); |
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$dbh->do(q{ |
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ALTER TABLE borrower_relationships ADD FOREIGN KEY `r_guarantor` (guarantor_id) REFERENCES `borrowers` (`borrowernumber`) ON DELETE CASCADE ON UPDATE CASCADE |
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}); |
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say $out "Changed column guarantor_id and added FK constraint on guarantor_id back"; |
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}, |
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}, |
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}; |
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}; |
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