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mirror of https://github.com/postgres/postgres.git synced 2025-06-22 02:52:08 +03:00

pgindent run for 8.3.

This commit is contained in:
Bruce Momjian
2007-11-15 21:14:46 +00:00
parent 3adc760fb9
commit fdf5a5efb7
486 changed files with 10044 additions and 9664 deletions

View File

@ -8,7 +8,7 @@
*
*
* IDENTIFICATION
* $PostgreSQL: pgsql/src/backend/commands/indexcmds.c,v 1.166 2007/09/20 17:56:31 tgl Exp $
* $PostgreSQL: pgsql/src/backend/commands/indexcmds.c,v 1.167 2007/11/15 21:14:33 momjian Exp $
*
*-------------------------------------------------------------------------
*/
@ -396,10 +396,9 @@ DefineIndex(RangeVar *heapRelation,
}
/*
* Parse AM-specific options, convert to text array form,
* validate. The src_options introduced due to using indexes
* via the "CREATE LIKE INCLUDING INDEXES" statement also need to
* be merged here
* Parse AM-specific options, convert to text array form, validate. The
* src_options introduced due to using indexes via the "CREATE LIKE
* INCLUDING INDEXES" statement also need to be merged here
*/
if (src_options)
reloptions = unflatten_reloptions(src_options);
@ -452,7 +451,7 @@ DefineIndex(RangeVar *heapRelation,
{
indexRelationId =
index_create(relationId, indexRelationName, indexRelationId,
indexInfo, accessMethodId, tablespaceId, classObjectId,
indexInfo, accessMethodId, tablespaceId, classObjectId,
coloptions, reloptions, primary, isconstraint,
allowSystemTableMods, skip_build, concurrent);
@ -461,18 +460,18 @@ DefineIndex(RangeVar *heapRelation,
/*
* For a concurrent build, we next insert the catalog entry and add
* constraints. We don't build the index just yet; we must first make
* the catalog entry so that the new index is visible to updating
* constraints. We don't build the index just yet; we must first make the
* catalog entry so that the new index is visible to updating
* transactions. That will prevent them from making incompatible HOT
* updates. The new index will be marked not indisready and not
* indisvalid, so that no one else tries to either insert into it or use
* it for queries. We pass skip_build = true to prevent the build.
* it for queries. We pass skip_build = true to prevent the build.
*/
indexRelationId =
index_create(relationId, indexRelationName, indexRelationId,
indexInfo, accessMethodId, tablespaceId, classObjectId,
coloptions, reloptions, primary, isconstraint,
allowSystemTableMods, true, concurrent);
allowSystemTableMods, true, concurrent);
/*
* We must commit our current transaction so that the index becomes
@ -506,15 +505,15 @@ DefineIndex(RangeVar *heapRelation,
* xacts that open the table for writing after this point; they will see
* the new index when they open it.
*
* Note: the reason we use actual lock acquisition here, rather than
* just checking the ProcArray and sleeping, is that deadlock is possible
* if one of the transactions in question is blocked trying to acquire
* an exclusive lock on our table. The lock code will detect deadlock
* and error out properly.
* Note: the reason we use actual lock acquisition here, rather than just
* checking the ProcArray and sleeping, is that deadlock is possible if
* one of the transactions in question is blocked trying to acquire an
* exclusive lock on our table. The lock code will detect deadlock and
* error out properly.
*
* Note: GetLockConflicts() never reports our own xid, hence we need not
* check for that. Also, prepared xacts are not reported, which is
* fine since they certainly aren't going to do anything more.
* check for that. Also, prepared xacts are not reported, which is fine
* since they certainly aren't going to do anything more.
*/
old_lockholders = GetLockConflicts(&heaplocktag, ShareLock);
@ -530,15 +529,15 @@ DefineIndex(RangeVar *heapRelation,
* indexes. We have waited out all the existing transactions and any new
* transaction will have the new index in its list, but the index is still
* marked as "not-ready-for-inserts". The index is consulted while
* deciding HOT-safety though. This arrangement ensures that no new HOT
* deciding HOT-safety though. This arrangement ensures that no new HOT
* chains can be created where the new tuple and the old tuple in the
* chain have different index keys.
*
* We now take a new snapshot, and build the index using all tuples that
* are visible in this snapshot. We can be sure that any HOT updates
* to these tuples will be compatible with the index, since any updates
* made by transactions that didn't know about the index are now committed
* or rolled back. Thus, each visible tuple is either the end of its
* are visible in this snapshot. We can be sure that any HOT updates to
* these tuples will be compatible with the index, since any updates made
* by transactions that didn't know about the index are now committed or
* rolled back. Thus, each visible tuple is either the end of its
* HOT-chain or the extension of the chain is HOT-safe for this index.
*/
@ -565,10 +564,9 @@ DefineIndex(RangeVar *heapRelation,
index_close(indexRelation, NoLock);
/*
* Update the pg_index row to mark the index as ready for inserts.
* Once we commit this transaction, any new transactions that
* open the table must insert new entries into the index for insertions
* and non-HOT updates.
* Update the pg_index row to mark the index as ready for inserts. Once we
* commit this transaction, any new transactions that open the table must
* insert new entries into the index for insertions and non-HOT updates.
*/
pg_index = heap_open(IndexRelationId, RowExclusiveLock);
@ -611,8 +609,8 @@ DefineIndex(RangeVar *heapRelation,
/*
* Now take the "reference snapshot" that will be used by validate_index()
* to filter candidate tuples. Beware! There might still be snapshots
* in use that treat some transaction as in-progress that our reference
* to filter candidate tuples. Beware! There might still be snapshots in
* use that treat some transaction as in-progress that our reference
* snapshot treats as committed. If such a recently-committed transaction
* deleted tuples in the table, we will not include them in the index; yet
* those transactions which see the deleting one as still-in-progress will
@ -636,15 +634,15 @@ DefineIndex(RangeVar *heapRelation,
* The index is now valid in the sense that it contains all currently
* interesting tuples. But since it might not contain tuples deleted just
* before the reference snap was taken, we have to wait out any
* transactions that might have older snapshots. Obtain a list of
* VXIDs of such transactions, and wait for them individually.
* transactions that might have older snapshots. Obtain a list of VXIDs
* of such transactions, and wait for them individually.
*
* We can exclude any running transactions that have xmin >= the xmax of
* our reference snapshot, since they are clearly not interested in any
* missing older tuples. Transactions in other DBs aren't a problem
* either, since they'll never even be able to see this index.
* Also, GetCurrentVirtualXIDs never reports our own vxid, so we
* need not check for that.
* either, since they'll never even be able to see this index. Also,
* GetCurrentVirtualXIDs never reports our own vxid, so we need not check
* for that.
*/
old_snapshots = GetCurrentVirtualXIDs(ActiveSnapshot->xmax, false);
@ -681,8 +679,8 @@ DefineIndex(RangeVar *heapRelation,
* relcache entries for the index itself, but we should also send a
* relcache inval on the parent table to force replanning of cached plans.
* Otherwise existing sessions might fail to use the new index where it
* would be useful. (Note that our earlier commits did not create
* reasons to replan; relcache flush on the index itself was sufficient.)
* would be useful. (Note that our earlier commits did not create reasons
* to replan; relcache flush on the index itself was sufficient.)
*/
CacheInvalidateRelcacheByRelid(heaprelid.relId);
@ -837,9 +835,9 @@ ComputeIndexAttrs(IndexInfo *indexInfo,
accessMethodId);
/*
* Set up the per-column options (indoption field). For now, this
* is zero for any un-ordered index, while ordered indexes have DESC
* and NULLS FIRST/LAST options.
* Set up the per-column options (indoption field). For now, this is
* zero for any un-ordered index, while ordered indexes have DESC and
* NULLS FIRST/LAST options.
*/
colOptionP[attn] = 0;
if (amcanorder)