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Postgres FD Implementation
Commit 5da417f7 authored by Heikki Linnakangas's avatar Heikki Linnakangas
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Remove pointless const qualifiers from function arguments in the SSI code. 

As Tom Lane pointed out, "const Relation foo" doesn't guarantee that you
can't modify the data the "foo" pointer points to. It just means that you
can't change the pointer to point to something else within the function,
which is not very useful.
parent 503c7305
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Showing with 59 additions and 61 deletions
src/backend/storage/lmgr/predicate.c
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src/include/storage/predicate.h
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...@@ -39,24 +39,24 @@ extern Size PredicateLockShmemSize(void); ...@@ -39,24 +39,24 @@ extern Size PredicateLockShmemSize(void);
extern void CheckPointPredicate(void); extern void CheckPointPredicate(void);
/* predicate lock reporting */ /* predicate lock reporting */
extern bool PageIsPredicateLocked(const Relation relation, const BlockNumber blkno); extern bool PageIsPredicateLocked(Relation relation, BlockNumber blkno);
/* predicate lock maintenance */ /* predicate lock maintenance */
extern Snapshot RegisterSerializableTransaction(Snapshot snapshot); extern Snapshot RegisterSerializableTransaction(Snapshot snapshot);
extern void RegisterPredicateLockingXid(const TransactionId xid); extern void RegisterPredicateLockingXid(TransactionId xid);
extern void PredicateLockRelation(const Relation relation, const Snapshot snapshot); extern void PredicateLockRelation(Relation relation, Snapshot snapshot);
extern void PredicateLockPage(const Relation relation, const BlockNumber blkno, const Snapshot snapshot); extern void PredicateLockPage(Relation relation, BlockNumber blkno, Snapshot snapshot);
extern void PredicateLockTuple(const Relation relation, const HeapTuple tuple, const Snapshot snapshot); extern void PredicateLockTuple(Relation relation, HeapTuple tuple, Snapshot snapshot);
extern void PredicateLockPageSplit(const Relation relation, const BlockNumber oldblkno, const BlockNumber newblkno); extern void PredicateLockPageSplit(Relation relation, BlockNumber oldblkno, BlockNumber newblkno);
extern void PredicateLockPageCombine(const Relation relation, const BlockNumber oldblkno, const BlockNumber newblkno); extern void PredicateLockPageCombine(Relation relation, BlockNumber oldblkno, BlockNumber newblkno);
extern void TransferPredicateLocksToHeapRelation(const Relation relation); extern void TransferPredicateLocksToHeapRelation(Relation relation);
extern void ReleasePredicateLocks(const bool isCommit); extern void ReleasePredicateLocks(bool isCommit);
/* conflict detection (may also trigger rollback) */ /* conflict detection (may also trigger rollback) */
extern void CheckForSerializableConflictOut(const bool valid, const Relation relation, const HeapTuple tuple, extern void CheckForSerializableConflictOut(bool valid, Relation relation, HeapTuple tuple,
const Buffer buffer, const Snapshot snapshot); Buffer buffer, Snapshot snapshot);
extern void CheckForSerializableConflictIn(const Relation relation, const HeapTuple tuple, const Buffer buffer); extern void CheckForSerializableConflictIn(Relation relation, HeapTuple tuple, Buffer buffer);
extern void CheckTableForSerializableConflictIn(const Relation relation); extern void CheckTableForSerializableConflictIn(Relation relation);
/* final rollback checking */ /* final rollback checking */
extern void PreCommit_CheckForSerializationFailure(void); extern void PreCommit_CheckForSerializationFailure(void);
......
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