check-in. Simplify the ORDER BY dereferencing logic so that it avoids
unreachable branches.
FossilOrigin-Name: 0f6ec605e131ab3d53b9df32af0a3207146a9abbd22dcabd6ef050b92f96735d
must both have OVER clauses, or neither has an OVER clause. Use this fact
to simplify expression comparison.
FossilOrigin-Name: 52559ad58ce412af40f1f34e80bfe9fadc6a93f3ca0cfaf69f94d615bbb99831
the xBestIndex method and used by the xFilter method of a virtual table.
FossilOrigin-Name: a353b1d7ee6c5989ba1b98a3990c9a4c2ff39ae66572fd1200606e8ef585e5fa
IN operators where the RHS is a list and not a subquery, since in that case
there is no SUBQUERY to execute.
FossilOrigin-Name: 8bc0207abdeeb3ffac003703e78826759f07994698f6cdf40c89c3443ba22a47
that some required values may be loaded from the database after external
sorting occurs for SELECT statements with ORDER BY clauses that are not
satisfied by database indexes.
FossilOrigin-Name: ef74090a40ceaef2fd93a7613ec99a191ce986811c852e96f4a19719f18af4f0
dissimilar expressions to match if they have the same "COLLATE name" at
the outer layer.
FossilOrigin-Name: fb16348a5bd52752098c9aeacc3281c4e1e8eb5a868d131ea6c3271dc4226b40
cases. This change involves an enhancement to sqlite3ExprCompare() which
needs to be reviewed on trunk prior to merging.
FossilOrigin-Name: 5bf704256206f84b3db7a5d8523215604eeb218ef8db86316d1e43ecd7248d6a
incorrectly applied in some cases where the WHERE clause of the query contains
a filter expression of the form "lhs.x IS NOT ?".
FossilOrigin-Name: 1fdaf2c34431adcac1c7ff29aae0623c4cbaa6a7f38e843c786bd407d8b3e730
incorrectly applied in some cases where the WHERE clause of the query contains
a filter expression of the form NOT(x AND y). Ticket [1e39b966].
FossilOrigin-Name: 38d319c153641ea4138fab2d5a47c31a86f57a071a1e1c299ca54c980cfb2b60
virtual table constraints can be true even if terms within the constraint
are NULL. This works around dodgy virtual table implementations.
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in the LEFT JOIN strength reduction optimization of check-in
[dd568c27b1d76563].
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check-in [dd568c27b1d76563]. The sqlite3ExprImpliesNotNull() routine was
mistakenly assuming that a CASE expression must always be NULL if contained
any reference to a variable that was NULL.
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not be a null row, then simplify the LEFT JOIN into an ordinary JOIN.
FossilOrigin-Name: 5b7abecc7ab8ccbbb8cb5e0f672e67625c2555ad03442efbf34cb395f5bb71a8
FALSE to act like constants if the names do not resolve to a column name.
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within a scalar expression. This fixes a problem discovered by OSSFuzz.
FossilOrigin-Name: a4fa0581ba7cfd45fabe0198f55b3c2c8ee3ecfd2825aeed91116f44e77d760b
function if compiled with -DSQLITE_ENABLE_OFFSET_SQL_FUNC. The makefiles add
that definition to shell builds.
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The function might return an offset to the main table or to an index,
depending on whether the column X would be loaded from the main table or
from the index.
FossilOrigin-Name: dd94d6a880dfec4bddd247239b815b84964f804d24841e25f33f1d46a4b5274d
