CLI command. Renumber all of the bits in the bitmask used to enable
various kinds of tracing, and add a trace bitmap decoder in sqliteInt.h.
Changes to debugging logic only. No (intentional) changes to production code.
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distinct from all other identifiers in the code and thus less confusing.
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in the test harness so that it returns the new optimization mask, for
verification.
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SrcItem.colUsed and Index.colNotIdxed fields. Comment changes only - no
changes to code.
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the prior [a47efb7c8520a011] enhancement from 2017 obsolete. This check-in
removes the older optimization.
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in place of the expression that is being indexed. This particular check-in
mostly works, but there are still issues.
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to "sqlite_cfg.h" to work around a bug in a dependency checker, reported
in [https://twitter.com/josecastillo/status/1577136108097314816|a tweet from Jose Castillo].
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generality, a small size reduction, and a small performance increase.
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global variables. See
[forum:/forumpost/719a11e1314d1c70|forum thread 719a11e1314d1c70].
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db and ptr parameters are guaranteed to be non-NULL. Use this where
appropriate to save more than 2 million CPU cycles on the standard
performance test.
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would leave both EP_InnerON and EP_OuterON constraints on the same join term.
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thereby avoiding special case code and freeing up a bit in the
FuncDef.flags field.
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needed, so that if it is not needed, not useless work is performed.
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reuse the same ephemeral cursor of a list subquery when that subquery is
reused, as it does not work in cases where the list subquery is used both
for lookups and for scans.
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so that the whole lot can be copied all at once. Faster and smaller code.
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seems to work the same as PG. The code is chaos, however, and needs some
cleanup.
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the IN operator right-hand side generator from the RIGHT JOIN no-match logic
does not generate unreachable byte code.
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check-in [664b461bb5063d980] and reported by
[forum:/forumpost/0d3200f4f3bcd3a3|forum post 0d3200f4f3bcd3a3].
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