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Code Issues

Fixed SF #1475979: Dropping and recreating a table in the same txn disables PK.

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This commit is contained in:
dimitr 2006-04-30 04:51:10 +00:00
parent 331843b213
commit b93f103c49
2 changed files with 32 additions and 40 deletions
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43
src/jrd/dfw.epp
View File

@ -2422,14 +2422,20 @@ static bool delete_index(thread_db* tdbb, SSHORT phase, DeferredWork* work,
SET_TDBB(tdbb);
const DeferredWork* arg = work->dfw_args;
while (arg && (arg->dfw_type != dfw_arg_index_name))
arg = arg->dfw_next;
fb_assert(arg);
switch (phase)
{
case 0:
relation = MET_lookup_relation(tdbb, work->dfw_name);
relation = MET_lookup_relation_id(tdbb, work->dfw_id, false);
if (!relation) {
return false;
}
id = work->dfw_id - 1;
id = arg->dfw_id - 1;
index = CMP_get_index_lock(tdbb, relation, id);
if (index) {
if (!index->idl_count) {
@ -2439,17 +2445,9 @@ static bool delete_index(thread_db* tdbb, SSHORT phase, DeferredWork* work,
return false;
case 1:
{
const DeferredWork* arg = work->dfw_args;
while (arg && (arg->dfw_type != dfw_arg_index_name))
arg = arg->dfw_next;
fb_assert(arg);
check_dependencies(tdbb, arg->dfw_name.c_str(), NULL,
obj_index, transaction);
return true;
}
case 2:
return true;
@ -2458,14 +2456,14 @@ static bool delete_index(thread_db* tdbb, SSHORT phase, DeferredWork* work,
/* Look up the relation. If we can't find the relation,
don't worry about the index. */
relation = MET_lookup_relation(tdbb, work->dfw_name);
relation = MET_lookup_relation_id(tdbb, work->dfw_id, false);
if (!relation) {
return false;
}
/* Make sure nobody is currently using the index */
id = work->dfw_id - 1;
id = arg->dfw_id - 1;
index = CMP_get_index_lock(tdbb, relation, id);
if (index)
{
@ -2487,35 +2485,22 @@ static bool delete_index(thread_db* tdbb, SSHORT phase, DeferredWork* work,
return true;
case 4:
relation = MET_lookup_relation(tdbb, work->dfw_name);
relation = MET_lookup_relation_id(tdbb, work->dfw_id, false);
if (!relation) {
return false;
}
id = work->dfw_id - 1;
id = arg->dfw_id - 1;
index = CMP_get_index_lock(tdbb, relation, id);
IDX_delete_index(tdbb, relation, id);
if (work->dfw_type == dfw_delete_expression_index)
{
// for expression index there are dependencies
// therefore work->dfw_args was set in VIO_erase
// to let us know that expression index name
fb_assert(work->dfw_args);
const DeferredWork* arg = work->dfw_args;
while (arg && (arg->dfw_type != dfw_arg_index_name))
{
arg = arg->dfw_next;
}
fb_assert(arg);
MET_delete_dependencies(tdbb,
arg->dfw_name, obj_expression_index);
MET_delete_dependencies(tdbb, arg->dfw_name, obj_expression_index);
}
// if index was bound to deleted FK constraint
// then work->dfw_args was set in VIO_erase
const DeferredWork* arg = work->dfw_args;
arg = work->dfw_args;
while (arg && (arg->dfw_type != dfw_arg_partner_rel_id))
{
arg = arg->dfw_next;

29
src/jrd/vio.cpp
View File

@ -1212,22 +1212,29 @@ void VIO_erase(thread_db* tdbb, record_param* rpb, jrd_tra* transaction)
EVL_field(0, rpb->rpb_record, f_idx_id, &desc2);
if ( (id = MOV_get_long(&desc2, 0)) )
{
if (EVL_field(0, rpb->rpb_record, f_idx_exp_blr, &desc2))
work = DFW_post_work(transaction, dfw_delete_expression_index, &desc, id);
else
work = DFW_post_work(transaction, dfw_delete_index, &desc, id);
MOV_get_metadata_str(&desc, relation_name, sizeof(relation_name));
r2 = MET_lookup_relation(tdbb, relation_name);
fb_assert(r2);
// add index name to correctly delete dependencies
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);
}
else {
work = DFW_post_work(transaction, dfw_delete_index,
NULL, 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;
// get partner relation for FK index
if (EVL_field(0, rpb->rpb_record, f_idx_foreign, &desc2))
{
MOV_get_metadata_str(&desc, relation_name, sizeof(relation_name));
DSC desc3;
EVL_field(0, rpb->rpb_record, f_idx_name, &desc3);
@ -1237,12 +1244,12 @@ void VIO_erase(thread_db* tdbb, record_param* rpb, jrd_tra* transaction)
jrd_rel *partner;
index_desc idx;
if ((r2 = MET_lookup_relation(tdbb, relation_name)) &&
(BTR_lookup(tdbb, r2, id-1, &idx) == FB_SUCCESS) &&
if ((BTR_lookup(tdbb, r2, id - 1, &idx) == FB_SUCCESS) &&
(MET_lookup_partner(tdbb, r2, &idx, idx_name)) &&
(partner = MET_lookup_relation_id(tdbb, idx.idx_primary_relation, false)) )
{
DeferredWork* arg = DFW_post_work_arg(transaction, work, 0, partner->rel_id);
DeferredWork* arg =
DFW_post_work_arg(transaction, work, 0, partner->rel_id);
arg->dfw_type = dfw_arg_partner_rel_id;
}
else