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MCOL-5021 Add a new member function to the DBRM class, DBRM::addToLBIDList().

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This function iterates over lbidList (populated by an earlier call to
DBRM::getUncommittedExtentLBIDs()) to find those LBIDs which belong to
the AUX column. It then finds the corresponding LBIDs for all other columns
which belong to the same table as the AUX LBID and appends them to lbidList.
The updated lbidList is used by invalidateUncommittedExtentLBIDs() to update
the casual partitioning information.

DBRM::addToLBIDList() only comes into play in case of a transaction ROLLBACK.
This commit is contained in:
Gagan Goel
2022-07-06 14:36:09 -04:00
parent 0818b95caa
commit 94e9f55940
5 changed files with 165 additions and 16 deletions
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12
versioning/BRM/dbrm.h
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@ -620,6 +620,18 @@ class DBRM
*/
EXPORT int getUncommittedExtentLBIDs(VER_t transID, std::vector<LBID_t>& lbidList) throw();
// MCOL-5021
/** @brief Adds LBIDs to an existing list of LBIDs retrieved via call
* to getUncommittedExtentLBIDs().
*
* This function iterates over lbidList to find those LBIDs which belong to
* the AUX column. It then finds the corresponding LBIDs for all other columns
* which belong to the same table as the AUX LBID and appends them to lbidList.
* The updated lbidList is used by invalidateUncommittedExtentLBIDs().
* @param lbidList (in and out) This contains the ranges of LBIDs
*/
EXPORT void addToLBIDList(uint32_t sessionID, vector<LBID_t>& lbidList);
/** @brief Atomically prepare to copy data to the version buffer
*
* Atomically sets the copy flag on the specified LBID ranges