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Lab2 for CS143 Database
README Team Info: Name SID Email Yanbin Ren 004435008 [email protected] Yijia Liu 804414479 [email protected] Project 2: Part A: We modified the source file SqlEngine.cc and implemented function โRC SqlEngine::load(..)โ. Part B: We modified the source file BTreeNode.h and BTreeNode.cc: 1) implemented all the functions that are declared in BTreeNode.h; 2) add constructor for both class (BTLeafNode and BTNonLeafNode); 3) add function readEntry for the class of BTNonLeafNode for the test purpose. Part C: We modified the source file BTreeIndex.h and BTreeIndex.cc: 1) implemented all the functions that are declared in BTreeIndex.h; 2) add an help function for insert function so that it could be called recursively. Part D: We modified the source file SqlEngine.cc, BTreeIndex.h, and BTreeIndex.cc: 1) implemented the select function in SqlEngine.cc, in order to support select by index; 2) modified the load function in SqlEngine.cc that now can support load index; 3) add two variable in BTreeIndex class in BTreeIndex.h, for the purpose of reading fast; 4) modified the readForward function in BTreeIndex.cc, so that reduced the number of read from disk and hence speed up the queries.
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