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.
FossilOrigin-Name: e5eaa80e81fdf86f2875a912b880272b8d099b82b08e945a7988c5dd0fe9d6b5
expressions in an aggregate query. Proposed fix for the problem identifyed by
dbsqlfuzz 8e17857db2c5a9294c975123ac807156a6559f13.
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sqlite3ExprDeferredDelete(). This is a better solution than check-in
[c538d07535092722].
FossilOrigin-Name: 2a6f6971fa010219323b976ff53b2606e39fb43fd36c394837c3a8528bf3c425
BLOB literal if there has been a prior OOM.
dbsqlfuzz 23871e5805d6c45b392f9b7aa1e8a2b98f3c27cd.
FossilOrigin-Name: c538d075350927222ab0a6598b844f7b15153c5dc008d71b921a2b73c4f4a7a4
Proposed fix for the problem reported by
[forum:/forumpost/3d9caa45cbe38c78|forum post 3d9caa45cbe38c78].
Additional works is needed as not all cases are covered.
FossilOrigin-Name: 08af1fe27ebd0edf6e0f1ac477deea033e7f7c813f1016b75196836daf02d2e4
thereby avoiding special case code and freeing up a bit in the
FuncDef.flags field.
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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.
FossilOrigin-Name: 12ee29d632ae4b585ef6bc07d3289d00c121268945dffd5673b251d95874e3f8
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.
FossilOrigin-Name: 6f9c0b07aadc5189c65c3ee4e6938aac10fc0d98f1cb06980f5e5d7b0308f237
the IN operator right-hand side generator from the RIGHT JOIN no-match logic
does not generate unreachable byte code.
FossilOrigin-Name: cc458317bd77046c4328715ae9e3409f3f4cd422a01162cb33405ef3a142b0a3
check-in [664b461bb5063d980] and reported by
[forum:/forumpost/0d3200f4f3bcd3a3|forum post 0d3200f4f3bcd3a3].
FossilOrigin-Name: 7ca3456c00998a429418ff29cf251b381586b330b88344c94a40c5df0b71da85
Other code improvements manually imported from the right-join-paren branch.
FossilOrigin-Name: cd8272fc2a34d1b245fd95208b9b601266ee7d2ff0f5ce52d03752f2c4e852a2
a separate allocate for the base object and the array of IDs). Also permit
an IdList object to store an Expr pointer together with each name.
FossilOrigin-Name: 40f3c95871e6f40f287ef2756abafb8fc56dffdd0af69436e5c7d8e95022d94e
and make other changes so that the span of a subroutine that implements
a subquery is more readily apparent in bytecode listings.
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memory allocations. No bugs were fixed here. But perhaps future bugs will
be prevented.
FossilOrigin-Name: eb878c01f317f09e8ef6b1bd2ec8d6d5cd6ce0bdfe9da7fa7d92d2047cc9d9e4
This change also handles some corner cases without the need for ALWAYS().
FossilOrigin-Name: d814ba6effc7c5b021ff625b57371627f3ee326687c508da99f78bc164386b7e
a particular aggregate function belongs to. This fixes the problem
reported by [forum:/forumpost/c7cc2aa3546e39c1|forum post c7cc2aa3546e39c1].
New test cases in dbsqlfuzz and th3.
FossilOrigin-Name: 74aec5dd1df95b5635f4da1f13753f113ea1d61de3dc3a1523ba51089c1900e4
drh