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wl2126 - ndb - add support for batching range scans

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1) removed acc keyinfo
2) introduce handling of multiple bounds


ndb/include/kernel/signaldata/AccScan.hpp:
  Removed keyinfo from AccScan
ndb/include/kernel/signaldata/TuxBound.hpp:
  Add data word
ndb/include/ndbapi/NdbIndexScanOperation.hpp:
  Added new_bound call, which is used when batching range scans
ndb/src/kernel/blocks/dbacc/DbaccMain.cpp:
  removed keyinfo from acc scan
ndb/src/kernel/blocks/dblqh/Dblqh.hpp:
  removed scan keyinfo
ndb/src/kernel/blocks/dblqh/DblqhInit.cpp:
  removed scan keyinfo
ndb/src/kernel/blocks/dblqh/DblqhMain.cpp:
  1) removed add scan,
     let LQH read keyinfo from tup instead
  2) introduce copy_bounds which handles multiple bounds
ndb/src/kernel/blocks/dbtux/Dbtux.hpp:
  removed scan keyinfo
ndb/src/kernel/blocks/dbtux/DbtuxDebug.cpp:
  removed scan keyinfo
ndb/src/kernel/blocks/dbtux/DbtuxScan.cpp:
  removed scan keyinfo
ndb/src/ndbapi/NdbScanOperation.cpp:
  handle multiple bounds
This commit is contained in:
unknown
2004-11-23 22:08:47 +01:00
parent 3ef57e2849
commit 4607570413
11 changed files with 265 additions and 263 deletions
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9
ndb/include/ndbapi/NdbIndexScanOperation.hpp
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@@ -114,6 +114,12 @@ public:
* sent on next execute
*/
int reset_bounds();
/**
* Set new bound on operation,
* used when batching index reads
*/
int set_new_bound();
bool getSorted() const { return m_ordered; }
private:
@@ -132,6 +138,9 @@ private:
int compare(Uint32 key, Uint32 cols, const NdbReceiver*, const NdbReceiver*);
Uint32 m_sort_columns;
Uint32 m_this_bound_start;
Uint32 * m_first_bound_word;
};
#endif