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SQLite training in Houston TX on 2019-11-05 (details)
Part of the 2019 Tcl Conference

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History of test/fts2k.test

2007-08-10
23:47
Convert fts2 to use sqlite3_prepare_v2() to prevent certain logic errors around SQLITE_SCHEMA handling. This also allows sql_step_statement() and sql_step_leaf_statement() to be replaced with sqlite3_step().    Also fix a logic error in flushPendingTerms() which was clearing the term table in case of error. This was wrong in the face of SQLITE_SCHEMA. Even though the change to sqlite3_prepare_v2() should cause us not to see SQLITE_SCHEMA any longer, it was still a logic error... (CVS 4205) file: [c7ebf4a4] check-in: [16730cb1] user: shess branch: trunk, size: 2852
2007-03-29
18:41
Buffer updates per-transaction rather than per-update. If lots of updates happen within a single transaction, there was a lot of wasted encode/decode overhead due to segment merges. This code buffers updates in memory and writes out larger level-0 segments. It only works when documents are presented in ascending order by docid. Comparing a test set running 100 documents per transaction, the total runtime is cut almost in half. (CVS 3751) file: [222d0b3b] check-in: [0229cba6] user: shess branch: trunk, size: 2299 Added