Added support for large field values (up to 4 GB), async and direct I/O on Linux and Solaris, and performed major code cleanup.
git-svn-id: https://svn.code.sf.net/p/flaim/code/trunk@213 0109f412-320b-0410-ab79-c3e0c5ffbbe6
This commit is contained in:
ahodgkinson
@@ -25,7 +25,7 @@
|
||||
#include "flaimsys.h"
|
||||
|
||||
/****************************************************************************
|
||||
Public: Constructor
|
||||
Desc:
|
||||
****************************************************************************/
|
||||
FSDataCursor::FSDataCursor()
|
||||
{
|
||||
@@ -37,7 +37,7 @@ FSDataCursor::FSDataCursor()
|
||||
}
|
||||
|
||||
/****************************************************************************
|
||||
Public: Destructor
|
||||
Desc:
|
||||
****************************************************************************/
|
||||
FSDataCursor::~FSDataCursor()
|
||||
{
|
||||
@@ -46,8 +46,7 @@ FSDataCursor::~FSDataCursor()
|
||||
}
|
||||
|
||||
/****************************************************************************
|
||||
Public: reset
|
||||
Desc: Resets any allocations, keys, state, etc.
|
||||
Desc: Resets any allocations, keys, state, etc.
|
||||
****************************************************************************/
|
||||
void FSDataCursor::reset( void)
|
||||
{
|
||||
@@ -69,10 +68,9 @@ void FSDataCursor::reset( void)
|
||||
|
||||
|
||||
/****************************************************************************
|
||||
Public: resetTransaction
|
||||
Desc: Resets to a new transaction that may change the read consistency of
|
||||
the query. This is usually an old view error internal or external of
|
||||
this class.
|
||||
Desc: Resets to a new transaction that may change the read consistency of
|
||||
the query. This is usually an old view error internal or external of
|
||||
this class.
|
||||
****************************************************************************/
|
||||
RCODE FSDataCursor::resetTransaction(
|
||||
FDB * pDb)
|
||||
@@ -89,9 +87,7 @@ RCODE FSDataCursor::resetTransaction(
|
||||
m_uiBlkChangeCnt = pDb->uiBlkChangeCnt;
|
||||
m_bIsUpdateTrans = (pDb->uiTransType == FLM_UPDATE_TRANS) ? TRUE : FALSE;
|
||||
|
||||
/*
|
||||
Need to release all stacks that are currently in use.
|
||||
*/
|
||||
// Need to release all stacks that are currently in use.
|
||||
|
||||
for( pTmpSet = m_pFirstSet; pTmpSet; pTmpSet = pTmpSet->pNext)
|
||||
{
|
||||
@@ -142,10 +138,8 @@ void FSDataCursor::freeSets( void)
|
||||
|
||||
|
||||
/****************************************************************************
|
||||
Public: releaseBlocks
|
||||
Desc: Releases the cache blocks back to cache.
|
||||
Desc: Releases the cache blocks back to cache.
|
||||
****************************************************************************/
|
||||
|
||||
void FSDataCursor::releaseBlocks( void)
|
||||
{
|
||||
RECSET * pCurSet;
|
||||
@@ -163,10 +157,9 @@ void FSDataCursor::releaseBlocks( void)
|
||||
}
|
||||
|
||||
/****************************************************************************
|
||||
Public: setupRange
|
||||
Desc: Setup the from and until keys in the cursor. Return counts
|
||||
after positioning to the from and until key in the index.
|
||||
This code does not work with multiple key sets of FROM/UNTIL keys.
|
||||
Desc: Setup the from and until keys in the cursor. Return counts
|
||||
after positioning to the from and until key in the index.
|
||||
This code does not work with multiple key sets of FROM/UNTIL keys.
|
||||
****************************************************************************/
|
||||
RCODE FSDataCursor::setupRange(
|
||||
FDB * pDb,
|
||||
@@ -272,8 +265,7 @@ Exit:
|
||||
}
|
||||
|
||||
/****************************************************************************
|
||||
Public: unionRange
|
||||
Desc: Merge the input cursors fromUntil sets as a result of a UNION.
|
||||
Desc: Merge the input cursors fromUntil sets as a result of a UNION.
|
||||
****************************************************************************/
|
||||
RCODE FSDataCursor::unionRange(
|
||||
FSDataCursor * pFSCursor)
|
||||
@@ -420,8 +412,7 @@ Exit:
|
||||
}
|
||||
|
||||
/****************************************************************************
|
||||
Public: intersectRange
|
||||
Desc: Intersect the from/until key sets of pFSCursor into 'this'.
|
||||
Desc: Intersect the from/until key sets of pFSCursor into 'this'.
|
||||
****************************************************************************/
|
||||
RCODE FSDataCursor::intersectRange(
|
||||
FSDataCursor * pFSCursor)
|
||||
@@ -548,11 +539,9 @@ FLMBOOL FSDataCursor::FSCompareRecPos( // TRUE if keys overlap
|
||||
}
|
||||
|
||||
/****************************************************************************
|
||||
Public: currentRec
|
||||
Desc: Return the current record and record id.
|
||||
VISIT: We may want to return BOF/EOF when positioned on an endpoint.
|
||||
****************************************************************************/
|
||||
|
||||
RCODE FSDataCursor::currentRec( // FERR_OK, FERR_EOF_HIT or error
|
||||
FDB * pDb,
|
||||
FlmRecord ** ppRecord, // Will replace what is there
|
||||
@@ -595,15 +584,14 @@ Exit:
|
||||
}
|
||||
|
||||
/****************************************************************************
|
||||
Public: firstRec
|
||||
Desc: Position to and return the first record.
|
||||
This is hard because positioning using the first key may actually
|
||||
position past or into another FROM/UNTIL set in the list.
|
||||
Desc: Position to and return the first record.
|
||||
This is hard because positioning using the first key may actually
|
||||
position past or into another FROM/UNTIL set in the list.
|
||||
****************************************************************************/
|
||||
RCODE FSDataCursor::firstRec( // FERR_OK, FERR_EOF_HIT or error
|
||||
RCODE FSDataCursor::firstRec(
|
||||
FDB * pDb,
|
||||
FlmRecord ** ppRecord, // Will replace what is there
|
||||
FLMUINT * puiRecordId) // Set the record ID
|
||||
FLMUINT * puiRecordId) // Set the record ID
|
||||
{
|
||||
RCODE rc;
|
||||
|
||||
@@ -777,14 +765,13 @@ Exit:
|
||||
}
|
||||
|
||||
/****************************************************************************
|
||||
Public: lastRec
|
||||
Desc: Position to and return the last record.
|
||||
This is hard because positioning using the first key may actually
|
||||
position past or into another FROM/UNTIL set in the list.
|
||||
Desc: Position to and return the last record.
|
||||
This is hard because positioning using the first key may actually
|
||||
position past or into another FROM/UNTIL set in the list.
|
||||
****************************************************************************/
|
||||
RCODE FSDataCursor::lastRec( // FERR_OK, FERR_BOF_HIT or error
|
||||
RCODE FSDataCursor::lastRec(
|
||||
FDB * pDb,
|
||||
FlmRecord ** ppRecord, // Will replace what is there
|
||||
FlmRecord ** ppRecord, // Will replace what is there
|
||||
FLMUINT * puiRecordId) // Set the record ID
|
||||
{
|
||||
RCODE rc;
|
||||
@@ -912,10 +899,9 @@ Exit:
|
||||
}
|
||||
|
||||
/****************************************************************************
|
||||
Public: nextRec
|
||||
Desc: Position to the next key and the first reference of that key.
|
||||
Desc: Position to the next key and the first reference of that key.
|
||||
****************************************************************************/
|
||||
RCODE FSDataCursor::nextRec( // FERR_OK, FERR_EOF_HIT or error
|
||||
RCODE FSDataCursor::nextRec(
|
||||
FDB * pDb,
|
||||
FlmRecord ** ppRecord,
|
||||
FLMUINT * puiRecordId)
|
||||
@@ -1045,10 +1031,9 @@ Exit:
|
||||
}
|
||||
|
||||
/****************************************************************************
|
||||
Public: prevRec
|
||||
Desc: Position to the PREVIOUS record.
|
||||
Desc: Position to the PREVIOUS record.
|
||||
****************************************************************************/
|
||||
RCODE FSDataCursor::prevRec( // FERR_OK, FERR_EOF_HIT or error
|
||||
RCODE FSDataCursor::prevRec(
|
||||
FDB * pDb,
|
||||
FlmRecord ** ppRecord,
|
||||
FLMUINT * puiRecordId)
|
||||
@@ -1295,10 +1280,9 @@ Exit:
|
||||
}
|
||||
|
||||
/****************************************************************************
|
||||
Public: positionTo
|
||||
Desc: Position to the input key + recordId.
|
||||
Desc: Position to the input key + recordId.
|
||||
****************************************************************************/
|
||||
RCODE FSDataCursor::positionTo( // FERR_NOT_FOUND if outside set or not found
|
||||
RCODE FSDataCursor::positionTo(
|
||||
FDB * pDb,
|
||||
FLMUINT uiRecordId)
|
||||
{
|
||||
@@ -1331,10 +1315,9 @@ Exit:
|
||||
};
|
||||
|
||||
/****************************************************************************
|
||||
Public: positionToOrAfter
|
||||
Desc: Position to the input key + recordId.
|
||||
Desc: Position to the input key + recordId.
|
||||
****************************************************************************/
|
||||
RCODE FSDataCursor::positionToOrAfter( // FERR_EOF_HIT or error.
|
||||
RCODE FSDataCursor::positionToOrAfter(
|
||||
FDB * pDb,
|
||||
FLMUINT * puiRecordId)
|
||||
{
|
||||
@@ -1382,8 +1365,7 @@ Exit:
|
||||
};
|
||||
|
||||
/****************************************************************************
|
||||
Public: savePosition
|
||||
Desc: Save the current position.
|
||||
Desc: Save the current position.
|
||||
****************************************************************************/
|
||||
RCODE FSDataCursor::savePosition( void)
|
||||
{
|
||||
@@ -1404,8 +1386,7 @@ Exit:
|
||||
}
|
||||
|
||||
/****************************************************************************
|
||||
Public: restorePosition
|
||||
Desc: Save the current position.
|
||||
Desc: Save the current position.
|
||||
****************************************************************************/
|
||||
RCODE FSDataCursor::restorePosition( void)
|
||||
{
|
||||
@@ -1417,5 +1398,3 @@ RCODE FSDataCursor::restorePosition( void)
|
||||
|
||||
return FERR_OK;
|
||||
}
|
||||
|
||||
|
||||
|
||||
Reference in New Issue
Block a user