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

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1 check-in using file src/expr.c version 1980fffc

Add a new opcode to the VDBE that gives the b-tree a hint about the set of columns in a table or index that are actually used by the query. Closed-Leaf check-in: f167bba4 user: drh tags: column-usage-hint