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Code Issues

Backported fix for bug CORE-2397 : If you drop two different indexes within the same transaction, you get database corruption

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This commit is contained in:
hvlad 2009-03-30 09:04:46 +00:00
parent d234f95674
commit 00b3625bf7
1 changed files with 9 additions and 4 deletions
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13
src/jrd/vio.cpp
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@ -1267,19 +1267,24 @@ void VIO_erase(thread_db* tdbb, record_param* rpb, jrd_tra* transaction)
r2 = MET_lookup_relation(tdbb, relation_name);
fb_assert(r2);
DSC idx_name;
EVL_field(0, rpb->rpb_record, f_idx_name, &idx_name);
// hvlad: lets add index name to the DFW item even if we add it
// again later within additional argument. This is needed to make
// DFW work items different for different indexes dropped at the
// same transaction and to not merge them at DFW_merge_work.
if (EVL_field(0, rpb->rpb_record, f_idx_exp_blr, &desc2)) {
work = DFW_post_work(transaction, dfw_delete_expression_index,
NULL, r2->rel_id);
&idx_name, r2->rel_id);
}
else {
work = DFW_post_work(transaction, dfw_delete_index,
NULL, r2->rel_id);
&idx_name, r2->rel_id);
}
// add index id and name (the latter is required
// to delete dependencies correctly)
DSC idx_name;
EVL_field(0, rpb->rpb_record, f_idx_name, &idx_name);
DeferredWork* arg = DFW_post_work_arg(transaction, work, &idx_name, id);
arg->dfw_type = dfw_arg_index_name;