27 #ifndef TABLES_SSMINDEX_H 28 #define TABLES_SSMINDEX_H 31 #include <casacore/casa/aips.h> 32 #include <casacore/casa/Containers/Block.h> 33 #include <casacore/casa/Containers/SimOrdMap.h> 34 #include <casacore/casa/Arrays/Vector.h>
The bucket index for a group of columns in the Standard Storage Manager.
SSMIndex(SSMBase *aPtrSSM, uInt rowsPerBucket=0)
Create the object with the given number of rows per bucket.
Int removeColumn(Int anOffset, uInt nbits)
A column is removed.
uInt getRowsPerBucket() const
Get the number of rows that fits in ach bucket.
AipsIO is the object persistency mechanism of Casacore.
Int getFree(Int &anOffset, uInt nbits) const
Try to find free space for a field with a given length (best fit).
Base class of the Standard Storage Manager.
void setNrColumns(Int aNrColumns, uInt aSizeUsed)
Set nr of columns use this index.
Int deleteRow(uInt aRowNumber)
Delete the given row.
SimpleOrderedMap< Int, Int > itsFreeSpace
void addColumn(Int anOffset, uInt nbits)
reuse the space at offset for a field with the given nr of bits.
void showStatistics(ostream &anOs) const
Show Statistics of index.
void find(uInt aRowNumber, uInt &aBucketNr, uInt &aStartRow, uInt &anEndRow, const String &colName) const
Find the bucket containing the given row.
Block< uInt > itsBucketNumber
void addRow(uInt aNrRows)
Add some rows.
uInt getIndex(uInt aRowNr, const String &colName) const
Get the index of the bucket containing the given row.
Vector< uInt > getBuckets() const
Return all the bucketnrs used in this index.
uInt getNrBuckets() const
Return the nr of buckets used.
String: the storage and methods of handling collections of characters.
void recreate()
Recreate the object in case all rows are deleted from the table.
void put(AipsIO &anOs) const
Write the bucket index into the AipsIO object.
this file contains all the compiler specific defines