public int getSize(CachedRow r) throws SQLException {
reset();
try {
setSystemId(r.getTable().iColumnCount != r.getTable().iVisibleColumns);
writeSize(0);
writeData(r.getData(), r.getTable());
writePos(0);
} catch (IOException e) {
throw (Trace.error(Trace.FILE_IO_ERROR, e + ""));
}
int rowsize = size();
reset();
return rowsize;
}
/** @todo fredt - use an upward estimate of number of rows based on Index */
int[] writeTableToDataFile(Table table, ScaledRAFile destFile) throws IOException, HsqlException {
BinaryServerRowOutput rowOut = new BinaryServerRowOutput();
// rowOut.setSystemId(true);
DoubleIntTable pointerLookup = new DoubleIntTable(1000000);
int[] rootsArray = table.getIndexRootsArray();
Index index = table.getPrimaryIndex();
// erik long pos = destFile.getFilePointer() / cacheFileScale;
long pos = destFile.getFilePointer();
int[] pointerPair = new int[2];
int count = 0;
Trace.printSystemOut("lookup begins: " + stopw.elapsedTime());
for (Node n = index.first(); n != null; count++) {
CachedRow row = (CachedRow) n.getRow();
pointerLookup.add(row.iPos, (int) pos);
// erik pos += row.storageSize / cacheFileScale;
pos += row.storageSize;
if (count % 50000 == 0) {
// System.gc();
Trace.printSystemOut(
"pointer pair for row " + count + " " + pointerPair[0] + " " + pointerPair[1]);
}
n = index.next(n);
}
Trace.printSystemOut(table.getName().name + " list done ", stopw.elapsedTime());
count = 0;
for (Node n = index.first(); n != null; count++) {
CachedRow row = (CachedRow) n.getRow();
// erik int rowPointer = (int) destFile.getFilePointer() / cacheFileScale;
int rowPointer = (int) destFile.getFilePointer();
rowOut.reset();
// code should be moved to CachedRow.java
rowOut.writeSize(row.storageSize);
Node rownode = row.nPrimaryNode;
while (rownode != null) {
((DiskNode) rownode).writeTranslate(rowOut, pointerLookup);
rownode = rownode.nNext;
}
rowOut.writeData(row.getData(), row.getTable());
rowOut.writePos(rowPointer);
// end
destFile.write(rowOut.getOutputStream().getBuffer(), 0, rowOut.size());
if ((count) % 50000 == 0) {
Trace.printSystemOut(count + " rows " + stopw.elapsedTime());
}
n = index.next(n);
}
for (int i = 0; i < rootsArray.length; i++) {
int lookupIndex = pointerLookup.find(0, rootsArray[i]);
if (lookupIndex == -1) {
throw Trace.error(Trace.DataFileDefrag_writeTableToDataFile);
}
rootsArray[i] = pointerLookup.get(lookupIndex, 1);
}
Trace.printSystemOut(table.getName().name, " : table converted");
return rootsArray;
}