// PD_TRACE_DECLARE_FUNCTION ( SDB__DMSROUNIT_INSRCD, "_dmsReorgUnit::insertRecord" )
INT32 _dmsReorgUnit::insertRecord ( BSONObj &obj,
_pmdEDUCB *cb, UINT32 attributes )
{
INT32 rc = SDB_OK ;
PD_TRACE_ENTRY ( SDB__DMSROUNIT_INSRCD );
UINT32 dmsrecordSize = 0 ;
ossValuePtr recordPtr = 0 ;
ossValuePtr prevPtr = 0 ;
dmsOffset offset = DMS_INVALID_OFFSET ;
dmsOffset recordOffset = DMS_INVALID_OFFSET ;
dmsExtent *currentExtent = (dmsExtent*)_pCurrentExtent ;
BOOLEAN isCompressed = FALSE ;
const CHAR *compressedData = NULL ;
INT32 compressedDataSize = 0 ;
if ( obj.objsize() + DMS_RECORD_METADATA_SZ >
DMS_RECORD_MAX_SZ )
{
rc = SDB_CORRUPTED_RECORD ;
goto error ;
}
if ( OSS_BIT_TEST ( attributes, DMS_MB_ATTR_COMPRESSED ) )
{
rc = dmsCompress ( cb, obj, NULL, 0, &compressedData,
&compressedDataSize ) ;
PD_RC_CHECK ( rc, PDERROR,
"Failed to compress record, rc = %d: %s",
rc, obj.toString().c_str() ) ;
dmsrecordSize = compressedDataSize + sizeof(INT32) ;
if ( dmsrecordSize > (UINT32)(obj.objsize()) )
{
dmsrecordSize = obj.objsize() ;
}
else
{
isCompressed = TRUE ;
}
}
else
{
dmsrecordSize = obj.objsize() ;
}
dmsrecordSize += DMS_RECORD_METADATA_SZ ;
dmsrecordSize *= DMS_RECORD_OVERFLOW_RATIO ;
dmsrecordSize = OSS_MIN(DMS_RECORD_MAX_SZ, ossAlignX(dmsrecordSize,4)) ;
alloc:
if ( !_pCurrentExtent )
{
rc = _allocateExtent ( dmsrecordSize <<
DMS_RECORDS_PER_EXTENT_SQUARE ) ;
if ( rc )
{
PD_LOG ( PDERROR, "Failed to allocate new extent in reorg file, "
"rc = %d", rc ) ;
goto error ;
}
currentExtent = (dmsExtent*)_pCurrentExtent ;
}
if ( dmsrecordSize > (UINT32)currentExtent->_freeSpace )
{
rc = _flushExtent () ;
if ( rc )
{
PD_LOG ( PDERROR, "Failed to flush extent, rc = %d", rc ) ;
goto error ;
}
goto alloc ;
}
recordOffset = _currentExtentSize - currentExtent->_freeSpace ;
recordPtr = ((ossValuePtr)currentExtent) + recordOffset ;
if ( currentExtent->_freeSpace - (INT32)dmsrecordSize <
(INT32)DMS_MIN_RECORD_SZ &&
currentExtent->_freeSpace <= (INT32)DMS_RECORD_MAX_SZ )
{
dmsrecordSize = (UINT32)currentExtent->_freeSpace ;
}
DMS_RECORD_SETSTATE ( recordPtr, DMS_RECORD_FLAG_NORMAL ) ;
DMS_RECORD_RESETATTR ( recordPtr ) ;
DMS_RECORD_SETMYOFFSET ( recordPtr, recordOffset ) ;
DMS_RECORD_SETSIZE ( recordPtr, dmsrecordSize ) ;
if ( isCompressed )
{
DMS_RECORD_SETATTR ( recordPtr, DMS_RECORD_FLAG_COMPRESSED ) ;
DMS_RECORD_SETDATA ( recordPtr, compressedData, compressedDataSize ) ;
}
else
{
DMS_RECORD_SETDATA ( recordPtr, obj.objdata(), obj.objsize() ) ;
}
DMS_RECORD_SETNEXTOFFSET ( recordPtr, DMS_INVALID_OFFSET ) ;
DMS_RECORD_SETPREVOFFSET ( recordPtr, DMS_INVALID_OFFSET ) ;
currentExtent->_recCount ++ ;
currentExtent->_freeSpace -= dmsrecordSize ;
offset = currentExtent->_lastRecordOffset ;
if ( DMS_INVALID_OFFSET != offset )
{
prevPtr = ((ossValuePtr)currentExtent) + offset ;
DMS_RECORD_SETNEXTOFFSET ( prevPtr, recordOffset ) ;
DMS_RECORD_SETPREVOFFSET ( recordPtr, offset ) ;
}
currentExtent->_lastRecordOffset = recordOffset ;
offset = currentExtent->_firstRecordOffset ;
if ( DMS_INVALID_OFFSET == offset )
{
currentExtent->_firstRecordOffset = recordOffset ;
}
done :
PD_TRACE_EXITRC ( SDB__DMSROUNIT_INSRCD, rc );
return rc ;
error :
goto done ;
}
// PD_TRACE_DECLARE_FUNCTION ( SDB__DMS_LOBDIRECTOUTBUF_DOIT, "_dmsLobDirectOutBuffer::doit" )
INT32 _dmsLobDirectOutBuffer::doit( const tuple **pTuple )
{
INT32 rc = SDB_OK ;
PD_TRACE_ENTRY( SDB__DMS_LOBDIRECTOUTBUF_DOIT ) ;
rc = prepare() ;
if ( rc )
{
goto error ;
}
if ( _aligned )
{
INT32 offset1 = -1 ;
INT32 offset2 = -1 ;
UINT32 readLen = 0 ;
INT64 fOffset = 0 ;
if ( _t.offset != _usrOffset )
{
offset1 = _t.offset ;
}
if ( _t.size != _usrSize )
{
offset2 = _t.offset + _t.size - OSS_FILE_DIRECT_IO_ALIGNMENT ;
}
if ( offset1 >= 0 && offset2 >= 0 &&
offset2 - offset1 <= DMS_SEQ_READ_FAN_THRESHOLD &&
_pageID >= 0 &&
0 == ( _newestMask & UTIL_WRITE_NEWEST_BOTH ) )
{
UINT32 len = OSS_FILE_DIRECT_IO_ALIGNMENT + offset2 - offset1 ;
fOffset = _pFile->pageID2Offset( _pageID, (UINT32)offset1 ) ;
rc = _pFile->readRaw( fOffset, len, _t.buf, readLen, _cb, TRUE ) ;
if ( rc )
{
PD_LOG( PDERROR, "Read date[PageID:%u, Offset:%u, Len:%u] "
"failed, rc: %d", _pageID, offset1, len, rc ) ;
goto error ;
}
offset1 = -1 ;
offset2 = -1 ;
}
if ( offset1 >= 0 )
{
if ( OSS_BIT_TEST( _newestMask, UTIL_WRITE_NEWEST_HEADER ) )
{
ossMemset( _t.buf, 0, _usrOffset - offset1 ) ;
}
else
{
fOffset = _pFile->pageID2Offset( _pageID, (UINT32)offset1 ) ;
rc = _pFile->readRaw( fOffset, OSS_FILE_DIRECT_IO_ALIGNMENT,
_t.buf, readLen, _cb, TRUE ) ;
if ( rc )
{
PD_LOG( PDERROR, "Read date[PageID:%u, Offset:%u, Len:%u] "
"failed, rc: %d", _pageID, offset1,
OSS_FILE_DIRECT_IO_ALIGNMENT, rc ) ;
goto error ;
}
}
}
if ( offset2 >= 0 )
{
if ( OSS_BIT_TEST( _newestMask, UTIL_WRITE_NEWEST_TAIL ) )
{
ossMemset( _t.buf + offset2 - _t.offset,
0,
_t.size - ( _usrSize + _usrOffset - _t.offset ) ) ;
}
else
{
fOffset = _pFile->pageID2Offset( _pageID, (UINT32)offset2 ) ;
rc = _pFile->readRaw( fOffset, OSS_FILE_DIRECT_IO_ALIGNMENT,
_t.buf + offset2 - _t.offset, readLen,
_cb, TRUE ) ;
if ( rc )
{
PD_LOG( PDERROR, "Read date[PageID:%u, Offset:%u, Len:%u] "
"failed, rc: %d", _pageID, offset2,
OSS_FILE_DIRECT_IO_ALIGNMENT, rc ) ;
goto error ;
}
}
}
ossMemcpy( _t.buf + _usrOffset - _t.offset,
_usrBuf, _usrSize ) ;
}
if ( pTuple )
{
*pTuple = &_t ;
}
done:
PD_TRACE_EXITRC( SDB__DMS_LOBDIRECTOUTBUF_DOIT, rc ) ;
return rc ;
error:
goto done ;
}
