This method tells SQLite how to *plan* queries on our virtual table. It gets invoked (typically multiple times) during db.prepare().

This method extracts some column from the cursor's current row.

This method uses the factory function to instantiate a new virtual table.

Although this function does nothing, we cannot use xConnect directly, because that would cause SQLite to register an eponymous virtual table.

If this method returns 1, SQLite will stop scanning the virtual table.

This method uses a fresh cursor to start a new scan of a virtual table. The args and idxNum are provided by xBestIndex (idxStr is unused). idxNum is a

This method advances a virtual table's cursor to the next row. SQLite will call this method repeatedly, driving the generator function.

This method outputs the rowid of the cursor's current row.

The ~Statement destructor currently covers any state this object creates. Additionally, we actually DON'T want to revert stmt->locked or db_state ->it