OP_Explain opcodes associated with WhereLoops, for testing purposes.
FossilOrigin-Name: 996c46e61d9a53a54018672dd407b8ba8c480dd6795393428f9d5fcb81b47ab5
value for the estimated number of output rows. This fixes a long-standing
(though exceedingly minor) problem that was only revealed by a new assert()
added yesterday. dbsqlfuzz 545d6debc2da496ab2b915e33ea34d9a35a935df
FossilOrigin-Name: a47c644fef71f3ab3dc584ea917eaab9a8e5b4c9dcb57bdd29747ba32108e85f
star-schema query in order to prevent plans where the fact tables are
in outer loops from being trimmed by the path limiter. This helps to
generate better (faster) query plans in those particular cases.
FossilOrigin-Name: 38db9b5c83dfb3021333365b2f6b11e3b54afd7033e9f4dadf0c0df1d4b082d8
star schemas and compensate when computing whether or not to use Bloom
filters.
FossilOrigin-Name: 21daf2463ef70e6b5dc73ba5bf62b3d2fb504e9189f645ac74b513d3d8b979c2
when the SQLITE_TESTCTRL_INTERNAL_FUNCTIONS debugging capability
is activated. dbsqlfuzz f5b347cf167a62fbe08062b2feee65cb9306e363.
FossilOrigin-Name: 273504b74cb9c3cfa2497a1339e706a1f2d2c3ce81b23a16beb47da9292535e0
In the .wheretrace output, sort the parallel paths in order of increasing
cost.
FossilOrigin-Name: 8ba2c2f5cb31f7bcc426bec78457316ef11d0b5debf24e8da8c6fc2f95878b1e
an automatic index on a column that is known to be non-selective because if
its use in other indexes that have been analyzed. See
[src:/tktview/8ff324e120|ticket 8ff324e120] and
[forum:/forumpost/b21c2101a559be0a|forum post b21c2101a559be0a].
FossilOrigin-Name: 2a7603c327d11d5e6bc4d40c29151fea544d650f51200ff76efb921adb0c38df
ALWAYS() macros from the btree balance logic and replacing them with
special initialization of CellArray and some assert()s.
FossilOrigin-Name: 32b79041d9b6858e4ffade5841898619c7d25d20c4638bf85447a2ca9cc4a3d3
is negative, it should index from the right side of the JSON array on the
left-hand side.
FossilOrigin-Name: 82365a45b96536c1146a384e5d3efce80a6ec469a54713c7f40bf15eb834b5fd
func() function once per row. Fix for the issue described in
[forum:/forumpost/bf8f43aa522c2299|forum thread bf8f43aa522c2299].
FossilOrigin-Name: 663f5dd32d9db83249fcf85602a756464ece74e1899dc881ac9519d872638441
any result-set column references in both the ORDER BY clause and the
GROUP BY clause are updated appropriately.
FossilOrigin-Name: f890812df0a57fcd201647640d8b9ee26047cd93cd7171bc6fd050f574649345
if it has one or more empty string inputs. This fixes
a bug introduced by [c6da39115d3e2b0f] on 2019-03-26 (version 3.28.0) and
reported by [forum/forumpost/bf8f43aa522c2299|forum post bf8f43aa522c2299].
FossilOrigin-Name: cec6bb3fc9932ea78ec8e63d9c2d4e56a4d94b8973b9ea46033cc4baa87c0476
3.46.0 release. (1) Allow arbitrary expressions in the second argument to
the RAISE() function. (2) Performance optimization to the OP_OpenRead and
OP_OpenWrite bytecode operators. (3) Allow FTS5 tables to be dropped even if
the associated tokenizer is not available. (4) Performance optimizations in
FTS5. (5) Generate better bytecode to improve performance of ONEROW scans.
FossilOrigin-Name: 1e5385ffc30743412ade1536583504eec36790cac5355042aa1e12d8d2271d1f
a number, it is still treated as a string, because that is what PG does.
[forum:/forumpost/9e52cdfe15c3926e|Forum post 9e52cdfe15c3926e].
FossilOrigin-Name: de8182cf1773ac0d04268d896a613841cf6bf61f9f030342170657d5e06f2acb
sqlite3_vtab_distinct() to return 2 or 3 if the rowid column of the virtual
table is used, as doing so might lead to an incorrect answer.
FossilOrigin-Name: 08058d66d1bde4fcf8324482ee4c6c030c681383470d5076b6f75b74aac2ae29
3 mean that all rows must be distinct over "colUsed" which is a superset of
"aOrderBy". Also, disallow return codes 2 and 3 if the rowid of the virtual
table is accessed.
FossilOrigin-Name: 922731ce98c0ce7837784ff7966049e59fa73da2aa04abf3506503b6fc4aa048
drh
stephan
larrybr
dan