No changes to deliverable builds. Rename SQLITE_ENABLE_SELECTTRACE to
SQLITE_ENABLE_TREETRACE in ctime.c.
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similar) since the functionality has how expanded to include data structures
beyond SELECT statements. Should not affect deliverable builds.
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INSERT statements. This is all debugging code. There are no changes to
release builds.
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json_tree() and json_each() table-valued functions, be sure to quote
object labels where necessary.
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compiler is more likely to in-line the code. Performance increase and
size reduction.
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implementation) and accomplish the same result by adding an "OP_Expire 1 1"
opcode to prepared statements that would normally have runOnlyOnce set.
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This allows some duplicate comparisons to be omitted, resulting in a size
reduction and performance increase.
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OP_ResultRow opcode. Omit that step for a size reduction and performance
increase.
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already a multiple of the size of a pointer. It becomes a no-op for
64-bit machines, giving a small size reduction and speed boost.
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cursor pointer is not NULL. This saves a few bytes of code space and a
few CPU cycles.
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state into separate RUNNING and READY. This gives a size reduction and
performance increase.
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that it represents, so that sqlite3_result() and similar can set the encoding
according to the prepared statement, even if the database encoding has
changed.
dbsqlfuzz c409b10d0a6bccf78ab00f47e1d29d42ee5b3565
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a preliminary step toward splitting RUN_STATE out into several other states.
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be returned if the prepared statement came from sqlite3_prepare_v2(). The
legacy sqlite3_prepare() is documented to return only SQLITE_ERROR.
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value gets set to an SQL NULL, then the Mem.enc field is uninitialized. So
do not read it. This is a harmless OSSFuzz/ASAN found problem.
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drh