exist. STAT4 continues to work as it always has, and as it is a superset of
STAT3 is the recommended replacement.
FossilOrigin-Name: 1e17ea2fd1df4ad49138c787c8fe3207dd0c25c93f9001d52a9b69f8c12e841c
Optimizing compilers were doing this already. By doing it manually, we can
omit some redundant tests and make the whole thing run a million cycles faster
and use about 80 bytes less code space.
FossilOrigin-Name: d837ab0da52632699abc09320980606aef020df5020c253f99c97e24bf3c6d00
point values even when the value is stored as an integer to save space.
FossilOrigin-Name: 48889530a9de22fee536edfd1627be62396ed18d842d5fd6d91e010b4337be95
constraints or index expressions, do the conversions into a real-number format
even if the values are stored as integers for efficiency.
This appears to fix ticket [ae0f637bddc5290b446].
FossilOrigin-Name: 5997d075665faca6b70fa647e877ebc84c473b32887b96235865d59ce80247f8
the MEM_TypeMask. This critical changes was omitted from the previous two
check-ins by mistake, and so those check-ins are not fully functional.
FossilOrigin-Name: f7ba2daf91c96ba16958188d6084a0ff129310d348932de493d326f1d24679cd
to run to completion before being reprepared. Fix for ticket
[c694113e50321afdf9].
FossilOrigin-Name: 2bd593332da0aade467e7a4ee89e966aa6302f37540a2c5e23671f98a6cb599c
unnecessary sqlite3BtreeMovetoUnpacked() calls when checking for an early
exit on IN-operator loops. Futher optimizations are likely possible here.
FossilOrigin-Name: 6bf251af4347165a470d39457d61ab6d2a06c206db8f30bd8be5dbb388ae8a5b
statement aborts unless either there have been no writes or else there is
a statement journal.
FossilOrigin-Name: 5a4542dbcf17a9f7fed600897555c271e1651fd50eb41d0b126725b486e1d14c
unnecessary reinitialization of variables that are already correctly
initialized.
FossilOrigin-Name: edd4e6876cc08ab907bb21f075380de946562d4c56a04923760848b4b11536ac
methods of virtual tables to see if a column has actually changed values.
FossilOrigin-Name: 8b7be15ece9e2e83959bb0e21e240106fe1077431242c3cc6b81f1baa2382f40
sqlite3_result_pointer(), and sqlite3_value_pointer(). The pointer type is
a string that must compare equal using strcmp() or else the pointer comes
through as a NULL.
FossilOrigin-Name: 211cce04e97d2e325a6ea3e99738fc71115d673dc13daeffb03ac3140deb11de
extra prepFlags argument. Add the SQLITE_PREPARE_PERSISTENT option as
one bit in that argument. Use the new option in FTS3, FTS5, and RTREE.
FossilOrigin-Name: 03977248e6fdaa9b35c15e5dd9bb89552f2f0a913cc31609b5af1e2347b67d38
sqlite3_stmt_status(). Use this for two new columns in the stmts virtual
table.
FossilOrigin-Name: b0b0c8f8d548ef78584ab714ab120b01c1b83fc0d8ae2fd7626b970bab9fca58
extra prepFlags argument. Add the SQLITE_PREPARE_PERSISTENT option as one
bit in that argument.
FossilOrigin-Name: 4a25c5883380fe5990d8180adb58c3bdc7a3d081bc4c69cd4de3cd57074fb251
SQLITE_DONE if they have already reached the end (or beginning) of the table.
This gives a performance increase and size reduction.
FossilOrigin-Name: e972a3860892022d57b26ec44ce0fbadc61c1ff54b7a10b7e82390db88d323a7
SQL parameter names and parameter numbers. There is a performance
improvement, though there are still a few hiccups in the current code.
FossilOrigin-Name: 68ecafa1425a41358c88f41efea3262f1b4490f2
bulk zeroed on allocation are grouped at the beginning, and the memset()
only runs over those fields that really need it.
FossilOrigin-Name: 8165f88bb1d40693d67005a8d5dc499085f64b91
into sqlite3BtreePayload() and sqlite3BtreePayloadChecked(), respectively.
This is a continuation of the optimization started by check-in
[2d831074cf]. The result is a slightly smaller and faster binary.
FossilOrigin-Name: 49ebc219faea30eaa61def4a3fba2817b9c58a86
