an outer join into a subroutine: constraintCompatibleWithOuterJoin().
FossilOrigin-Name: c7fbc9b0453050e2746af27e3a11e0c3701bef8c56da8e19173242c6ea3aff8b
EP_OuterON constraints on the same FROM clause term) really necessary? This
branch explores what happens if we omit that restriction. This is an effort
to address the performance regression reported by
[forum:/forumpost/96b9e5709cf47cda|forum post 96b9e5709cf47cda] that is caused
by flattener restriction 29.
FossilOrigin-Name: 19270577ad1d08c9e6e5f0600396b8a1ccda9df1e67a0df845aee6b60437f379
overwrite an existing page number. This approach does not change the
semantics of the underlying pluggable pcache and it is easier to prove
correct. This replaces the changes at
[aadd38f99a3e5abc] and [81cff9f1955874aa].
FossilOrigin-Name: 7dbddde79e3ca1b81e00288616fc27434698ce6dcb47714728fce8602ae91f45
another page already exists at the destination, that other page gets moved
to the source key.
FossilOrigin-Name: aadd38f99a3e5abcf9bef49f4367752f163cc79500a28f812bb71969d7de419c
global variables. See
[forum:/forumpost/719a11e1314d1c70|forum thread 719a11e1314d1c70].
FossilOrigin-Name: 8e6ad3a3e942a326cf16432e16d6596c7206c05b6f45cd0ff3a9b836bcfc9deb
of one arm of a compound SELECT until after the parse has completed.
FossilOrigin-Name: 1c4157c71cd1e062a9c2c79787d17e34e340f28ce1e40573851dfe174f5da7d7
table scan for a materialized view or subquery if the full scan is the
outer-most loop. This is shown to speed up some queries.
FossilOrigin-Name: 609fbb94b8f01d6792e5941ab23ce041313d359f6788c4dde6b1ca749ab49137
overloads a page number and uses only the PENDING_BYTE page for temporary
storage.
FossilOrigin-Name: 5007742886bd20de20be3973737cf46b010359911615eb3da69cd262bd9a2435
statement needs a statement journal. See
[forum:/forumpost/9b9e4716c0d7bbd1|forum thread 9b9e4716c0d7bbd1] for more
information.
FossilOrigin-Name: 5c95ae6c9b93b9bcf698bb1cad93b2da2e28121b35e7c539b1ddc0ef2de33cfe
PGHDR_CLEAN bit set, even during transient page reshuffling during btree
balancing.
FossilOrigin-Name: e67f03c166277951725c194674c84da61c152a5820aa6df55a726f7dda838e92
when two or more threads call it on the same database connection at the same
time.
FossilOrigin-Name: 459ad8846ee1ee2d3b277a291c47121692bdf477e779b06e77be8338f62237a6
unique. Change to ppVPrev to save a few bytes and a few CPU cycles.
FossilOrigin-Name: 34b8ea31877ae8b40729d37b3f51ae7e15f38be841881ea4a37c9c8f0a52896d
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
DML statements within triggers. Do not allow DML stratements against
virtual tables within triggers unless either the virtual table is
SQLITE_VTAB_INNOCUOUS or PRAGMA trusted_schema is ON.
FossilOrigin-Name: 9433ea4070f52135be64569057f439e7bdb4b3f425d87167c9ebda50011210c1
unterminated comment, try to terminate that comment prior to appending
the ";" at the end. [forum:/forumpost/d7be961c5c|Forum post d7be961c5c].
FossilOrigin-Name: 96e112da1ac56767cf49f26132833745b6020d2c60f5c36f86ca84f87ad30c81
drh