than storing the result value in the sqlite3_context object and using
memcpy() to move the value back into its register
after the function returns. This runs faster and saves over 500 bytes
of code space.
FossilOrigin-Name: 6c1ee3e388eb110de815270467b1e50592c0ba6c
for second an subsequent invocations. This helps all aggregate functions to
perform better.
FossilOrigin-Name: 802148f3110462eac939d53ce08eb9a2f6aac739
statement was marked "expired" before it ever entered sqlite3_step().
Ticket [11d5aa455e0d98f3c1e6a08].
FossilOrigin-Name: 0d4d3df4bc5e75ce1543b5539a1e9e279d2a062f
sqlite3_value_blob() interface, continue to report SQLITE_TEXT as
the true type from sqlite3_value_text() as long as that text is still
valid. The maintains legacy behavior from before the noMemType change.
FossilOrigin-Name: 1d134ba2edbdb8c0cf9e99590a69cd17e0b874a9
related opcodes and in the sqlite3BtreeNext() and sqlite3BtreePrevious()
routines. This is a cherrypick of [6f99b54aedeb], [d2efea1682a7], and
[d78c5d89de4b].
FossilOrigin-Name: 7f72fc4f47445a2c01910b268335873de9f75059
value for sqlite3_db_status(). This is a cherry-pick of a sequence of five
checkins in the sessions branch between [1d44e5d3c2] and [d39e65fe70].
FossilOrigin-Name: 527121ac3cdc96ac33ad975c227a6685a2f7e999
PRAGMA journal_mode and PRAGMA wal_checkpoint. Ticket [a589ec069e3].
Also keep track of whether a prepared statement does no reading or
writing.
FossilOrigin-Name: 1937fd8eec2c1da95a782d9dc63926d846b06bdc
covers every case where a prepared statement might need to be reprepared due
to a schema change. The sqlite3_exec() interface now uses
sqlite3_prepare_v2().
FossilOrigin-Name: c1d7304c80c4a6244c8a9f6fad1eebd0f339c724
or other string might be less than the length parameter, since optimized
versions of memcmp() might read past the first difference and in so doing
generate an access violation.
FossilOrigin-Name: d73435587ba7459e2e2c32980d0e17abdeceb4bc
sqlite3_stmt and sqlite3_backup objects. The connection becomes a zombie.
Resource deallocation is deferred until the last sqlite3_stmt or
sqlite3_backup object closes. This is intended to help SQLite play nicer
with garbage collectors.
FossilOrigin-Name: e276a02b7f54e804caa553dca99023416a415e1c
the sqlite3_step() routine to return SQLITE_MISUSE if it is called after
it has previously returned anything other than SQLITE_ROW, SQLITE_BUSY, or
SQLITE_LOCKED.
FossilOrigin-Name: 053ce76deb356d31358454507ba94947142e20ca
gaps and thus make the structures smaller, and to put frequently accessed
fields first. Also update some obsolete comments. Valgrind shows a very
slight performance improvement.
FossilOrigin-Name: 378a1d13af4a6f4cb2bfa65944b3b0d444b9f21c
is invoked if the binding fails. Ticket [860399cc408f2dd5f41aed44b]
Update the documentation to explain which interfaces invoke their
destructors on failure and which do not.
FossilOrigin-Name: d3c95e3a4e08d08028e9bc7f282074e32b9cf950
interfaces. Enhance sqlite3_column_blob() so that it always returns
a NULL pointer for a zero-length blob.
FossilOrigin-Name: a932fab299b3c32dea4d08729e9fab3735631e88
documentation of sqlite3_release_memory(). Fix a minor inefficiency in mem1.c
that was discovered while writing requirements tests.
FossilOrigin-Name: 53b0c03fd33d2d8141fd386de5493fec64456042
SQLITE_OK or an error code and the error code is propagated back up the
stack. If a checkpoint is desired, the callback should invoke
sqlite3_wal_callback() itself.
FossilOrigin-Name: 1b14195e05fe5551992a39246ec3bcf6a33bbfac
