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ndb - bug#17929

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guess which scan type to use in handler


sql/ha_ndbcluster.cc:
  Add guessing of scan type when starting full-table-scan
storage/ndb/include/ndbapi/NdbDictionary.hpp:
  Add methods to check properties of a bitmap of columns
storage/ndb/include/ndbapi/NdbScanOperation.hpp:
  Add DiskScanFlag
storage/ndb/src/ndbapi/NdbDictionaryImpl.cpp:
  Add aggregate of #disk columns
storage/ndb/src/ndbapi/NdbDictionaryImpl.hpp:
  Add #disk columns
storage/ndb/src/ndbapi/NdbScanOperation.cpp:
  Add disk scan flag
storage/ndb/tools/delete_all.cpp:
  Add tupscan/diskscan to delete_all
This commit is contained in:
unknown
2006-10-05 14:25:18 +02:00
parent 83ad64b6bc
commit d7bb7cc561
7 changed files with 110 additions and 8 deletions
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10
storage/ndb/include/ndbapi/NdbDictionary.hpp
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@@ -920,6 +920,16 @@ public:
bool getTemporary();
void setTemporary(bool);
/**
* Check if any of column in bitmaps are disk columns
* returns bitmap of different columns
* bit 0 = atleast 1 pk column is set
* bit 1 = atleast 1 disk column set
* bit 2 = atleast 1 non disk column set
* passing NULL pointer will equal to bitmap with all columns set
*/
int checkColumns(const Uint32* bitmap, unsigned len_in_bytes) const;
#endif
// these 2 are not de-doxygenated