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21,099 Commits 1,607 Branches 185 Tags
f5f1915d599b1a0aba8fab35178c90031fdb362d
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1085 Commits

Author SHA1 Message Date
drh
f5f1915d59 Changes to the INSERT logic to make it simpler and faster and so that 
it works with generated columns and BEFORE triggers.

FossilOrigin-Name: bc368cb090376d33d3844e3689c4f6bd19eed758e39b878ee67fef93b1c839ea
 2019-10-21 01:04:11 +00:00
drh
dd6cc9b52a Work toward getting generated columns to work with triggers. Still more 
work to do in this area.

FossilOrigin-Name: 932a37275d7e932f8237d32c8fc6087ed8cd342fe01ef2f7a43c7237ab84c9ac
 2019-10-19 18:47:27 +00:00
drh
c5f808d85e Add testcase macros. 
FossilOrigin-Name: fb9c9bb284d441bd7aa34c87b6fd8ce57d036c17623d82354154fc6286bdd134
 2019-10-19 15:01:52 +00:00
drh
b9bcf7ca60 Refactor names of column index transformation functions, for clarity. 
Get generated columns working with ALTER TABLE RENAME COLUMN.

FossilOrigin-Name: 27ab41c9102e7801ff829488fc123a8040da008bef373d6704efbe2f93e1da90
 2019-10-19 13:29:10 +00:00
drh
6df9c4b990 Claw back some performance from the sqlite3ExprGetColumnOfTable() routine. 
FossilOrigin-Name: e8426acb94179ff49549aced6ea3c26c49ba4761c2f414fa1772d6a031edc79d
 2019-10-18 12:52:08 +00:00
drh
9942ef0d95 STORED columns can now reference other STORED columns, in any order, as long 
as there are not loops.

FossilOrigin-Name: 0d236698e64b2a4b46f91a25279c406e0bf392fe66116678456f0a034c11d7b4
 2019-10-18 02:19:18 +00:00
drh
ab45fc0413 INSERT with named columns for a table with generated columns. 
FossilOrigin-Name: 64db39f92d68d1b9f23e48af35e16b969c38b58041fbe900066eeb3ddb291cef
 2019-10-16 22:01:56 +00:00
drh
7e508f1ee2 Simple INSERT and SELECT operations working with VIRTUAL columns. 
FossilOrigin-Name: 7f9f90b1b885fa9905b296f2e0fcc9b2341019b42fc839722a93cf60e49a9252
 2019-10-16 19:31:46 +00:00
drh
81f7b37270 Initial experimental code for generated column support. Non-functional. 
FossilOrigin-Name: 11d472c1df707b8d03ec57d8fc582a34f5eb89a9d02a154a9871650c65065b45
 2019-10-16 12:18:59 +00:00
drh
a1698993e6 Futher improvements to LEFT JOIN strength reduction. 
FossilOrigin-Name: 8a39167bd2d46496f7484cfec371e4bad22da882209b01da9459c4ed5877da25
 2019-10-11 17:14:40 +00:00
drh
4a254f98e3 Improvements to the LEFT JOIN strength reduction optimization. 
FossilOrigin-Name: 548082dfab5d9484279ccc11cd2833ac131b54b7481372b576d7c28bbb3294ea
 2019-10-11 16:01:21 +00:00
dan
0287c95165 Prevent SQLite from assuming that if ((? IS NOT NULL) IS NOT NULL) is true, ? may not be NULL. Fix for [d51a8696]. 
FossilOrigin-Name: 7833feecfe745e237f239ee4c38a9e4bf7ad66a32919150208da87c00a826473
 2019-10-10 17:09:44 +00:00
dan
da03c1e65e Avoid assuming that an expression that contains the sub-expression (? IS FALSE) or (? IS TRUE) may only be true if ? is non-null. Fix for [a976c487]. 
FossilOrigin-Name: eb7ed90b8a65748f0721aaf7bdddd2207f552be5015603fbfb7044d815ae2f36
 2019-10-09 21:14:00 +00:00
drh
92a2824cc6 An improved fix for the dbsqlfuzz-discovered ALWAYS() failure following OOM in 
sqlite3ExprCollSeq().  This time with a test case (engineered by Dan).

FossilOrigin-Name: 907f7965b335d8d5441f2e386bb190d1f93ffcd45ca98d2d1c621dede491fc5e
 2019-10-09 15:37:58 +00:00
drh
efb02281a4 Change sqlite3SelectDup() to always return NULL if an OOM has occurred. 
FossilOrigin-Name: 01ba4641ab436c6065c8725908fc0913f2abded4ea62e004b7534e0116b9451a
 2019-10-09 15:00:37 +00:00
drh
ebc6408484 Alternative implementation of the previous check-in which is testable. 
FossilOrigin-Name: 102ef64462cf0d78395ccc7ebb8e3bf6b7647c06b7657a037e051697bc08d6b7
 2019-09-27 15:15:38 +00:00
drh
818a3b5486 Fix sqlite3ExprCompare() so that it ignores differences in the Expr.iTable 
field for IN operators, as otherwise it can lead to false negatives, which
is usually harmless, but can cause problems for an assert() in the window
function logic.

FossilOrigin-Name: 6a204b192a6c6f21988cab217366f21b14c672b81ceadc43675761a6d8c4484f
 2019-09-27 15:01:02 +00:00
drh
5776ee5cf5 Omit the sqlite3IntTokens array constant for a code simplification. 
FossilOrigin-Name: f907395ef5a2dc1d084b6a286af00de4c742cf12d4f347c21e1b757786508f57
 2019-09-23 12:38:10 +00:00
drh
7ca1347f59 When a scalar subquery has a pre-existing "LIMIT X" then change it to 
"LIMIT X<>0" rather than just "LIMIT 1" so that if X is 0 the limit
will still be zero.  Ticket [99cd4807dc03f178]

FossilOrigin-Name: 82e5dcf5c1d500ed82f398b38fdae0f30033804e897fbab3c10f1e15e2abedef
 2019-09-23 11:55:22 +00:00
drh
6d2566dfc2 Always clear the temporary register cache after coding a subroutine. 
FossilOrigin-Name: b6f2a7f9cdb547c925f08306df82519e41a7a0dd2cabd9861a48917bb6eef845
 2019-09-18 20:34:54 +00:00
drh
4fc836546e Fix a bug introduced earlier today by check-in [88833a9c2849c959]. 
Ticket [29f635e0af71234b]

FossilOrigin-Name: 6e7b4527d32cc1be0294614b9d7363d4b59cf654a954b86515b3f6888975ce73
 2019-09-02 22:13:06 +00:00
drh
dd668c26b5 When applying the IN_INDEX_NOOP optimization and the LHS has REAL affinity, 
also apply REAL affinity to each element of the RHS.
Ticket [2841e99d104c6436].

FossilOrigin-Name: 88833a9c2849c959a37a80e0e4d2b211ce3c83a48319724c89b172b060c876b4
 2019-09-02 02:21:58 +00:00
drh
0167ef202b Fix an obsolete comment that defines the meaning of one of the parameters 
to the sqlite3FindInIndex() subroutine.  No changes to code.

FossilOrigin-Name: 0c946f0846b2835f8facca806a4d4ecc2b2e97343de245a0d91716d998b2a829
 2019-09-02 01:25:07 +00:00
drh
bffdd63633 When computing an expression value for an index-on-expression or a CHECK 
constraint and the expressions uses a REAL table column, but the value of
that column is an integer (in other words, when it is using the 
store-real-as-integer optimization) be sure to promote the value to real
before evaluating the expression.  Ticket [57af00b6642ecd68].

FossilOrigin-Name: 0658c16e311393c8a347b1bd41fa5dbfd2e184aa75d84c011aa8dbac79b632e9
 2019-09-02 00:58:44 +00:00
drh
35a38e0836 Fix a harmless compiler warning. 
FossilOrigin-Name: 63c67a54b4d3e501f3059dcdfc6bb50c6b8dad63a34eb773e4408d9e4e780d7a
 2019-08-31 20:29:28 +00:00
drh
80f6bfc064 Improvements to the algorithm that determines which SELECT in a sequence 
of nested SELECT statements that an aggregate function belongs to.  This
resolves an issue identified by dbsqlfuzz.

FossilOrigin-Name: d768007473f4ed40abbdf2c7e501b580b1cc37c1620c7cb90af1f208a8c35145
 2019-08-31 20:13:30 +00:00
drh
6a19865ff2 Remove some affinity tests that became unreachable due to the prior change. 
FossilOrigin-Name: e2db1123faac26c0e0b6a1ebef1685ea7633bfcafd1ff743ba5380700f7745af
 2019-08-31 01:33:19 +00:00
drh
ae144a1c9f The expression "(X IS FALSE) IN (FALSE)" does not imply that X is NOT NULL. 
Ticket [f8f472cbc77ba9c9]

FossilOrigin-Name: dd66134817ecbda01c59a05ad0d6ac44bee700ab10cd2119c869dd69af293fe2
 2019-08-30 16:00:58 +00:00
drh
7a231b4973 The expression "(X IS FALSE) BETWEEN FALSE AND TRUE" does not implie that 
X is not NULL.  Ticket [fba33c8b1df6a915]

FossilOrigin-Name: 057fb8b1809b8b9c8fff0fd0804153b9644f0545c23c6ddc4758bda3381094b9
 2019-08-30 15:11:08 +00:00
drh
38cefc83c8 The expression "(x IS FALSE) IS FALSE" does not imply that X is not NULL. 
Ticket [a6408d42b9f44462]

FossilOrigin-Name: 45ff2b1f2693bb0231a864a511bb82cf2a5945ab3d806a5bbaf1517ecb287883
 2019-08-30 13:07:06 +00:00
drh
f4d9c9822d Remove a faulty testcase() macro. 
FossilOrigin-Name: 80124ae55246b79023d23d3f55487ac3c0b40e8ff301c5daf4dd0631de8ddb29
 2019-08-29 23:24:18 +00:00
dan
9d23ea74d4 Fix other problems similar to ticket [c0390363]. 
FossilOrigin-Name: 96ff2ba9c4bb71d5f7c6f359986a76a5364b7ac3e1a612441543a9eabecf31df
 2019-08-29 19:34:29 +00:00
dan
b6a9121bb3 Fix another case where SQLite assumes that if "~(? AND FALSE)" is true, "?" must be non-null. 
FossilOrigin-Name: 616f5663b3dbd0929128c0990fc6d8bba1513c7ae196b87c450ac0b3b3203ecd
 2019-08-29 15:50:16 +00:00
dan
1cd382e350 Avoid assuming that for "~ (? OR TRUE)" to be true, "?" must not be NULL, just as we do for "NOT (? OR TRUE)". Fix for ticket [c0390363]. 
FossilOrigin-Name: 84ae41fd2f50cb7c0c3f6522d0f94817e1bbf96eae5316279e3e32cee4e46e91
 2019-08-29 15:06:35 +00:00
dan
8085d53d3c Add support for "ORDER BY ... NULLS FIRST" and "ORDER BY ... NULLS LAST". Use this to fix ticket [f8a7060e]. 
FossilOrigin-Name: 94085fb3e756bc984237b74b6e29c68462ad860870c64dcb5124feaeec387660
 2019-08-27 19:59:21 +00:00
drh
790b37a240 Omit the "x IN (y)" to "x==y" optimization of check-in [e68b427afbc82e20] 
(and ticket [e39d032577df6942]) as it causes difficult affinity problems
as demonstrated by ticket [dbaf8a6820be1ece] and the original assertion fault
is no longer a factor due to countless other changes of the previous 5 years.

FossilOrigin-Name: 7f5168a76a400fc2e1e40c6950470b1bfb38a0be54fc5518c17c29fdae7d8f1f
 2019-08-27 17:01:07 +00:00
drh
512e46a74c Merge in recent fixes from trunk. 
FossilOrigin-Name: ad816d01d4bd3908ff2c574d79d1a29b6d732df308f2f1b1cdf7c0bc7c1bd7cf
 2019-08-26 20:41:33 +00:00
drh
554a9dc78a Improved detection of number of column mismatch for vector assignment 
in UPDATE statements.  Ticket [78acc9d40f0786e8]

FossilOrigin-Name: bd4bda73df3794eef424eb13e08fc7cc54347d1ac69febaeec41f6b6cb4a42bc
 2019-08-26 14:18:28 +00:00
drh
d86fe44ab5 Fix typo in a comment. No code changes. 
FossilOrigin-Name: d0cc06d8a30444125e5655f6587a6355471c3447c08a2e5f7a046a4ed5cc5f09
 2019-08-26 13:45:49 +00:00
drh
a677eecad3 Merge fixes from trunk. Also fix a reference to the KeyInfo.aSortOrder field, 
which should now be KeyInfo.aSortFlags

FossilOrigin-Name: 63e625c8eb06720eef30573aa562e38c90d228a9cf493f8bb59f09e50f0e3168
 2019-08-22 19:35:24 +00:00
drh
0d950af311 Fix the likely(), unlikely(), and likelihood() functions so that they have 
no affinity, just like any other function.
Ticket [7e07a3dbf5a8cd26]

FossilOrigin-Name: 44578865fa7baf9760e355691ca9ce753295aaba7a4ee0bba29d4f85d9335bab
 2019-08-22 16:38:42 +00:00
drh
af8664020a Fix a false-positive in sqlite3ExprNeedsNoAffinityChange(). 
Ticket [ac184eb571d5e6e0]

FossilOrigin-Name: e62eddbb048cbc2c15cb8eeb5b7a907e7cb08c21a27ebba96a069f62dbcb0f30
 2019-08-22 11:11:28 +00:00
dan
2ebb550824 Update this branch with latest trunk changes. 
FossilOrigin-Name: 6153bcf41a9aa0497f8210311c99ac23846223068f2b6a3a1c2d9dec7673c7e1
 2019-08-21 15:41:50 +00:00
dan
4780b9ad46 Fix a segfault that could occur following an OOM while processing a SELECT statement for which one or more of the expressions in the window frame declaration are themselves sub-selects that use window functions. 
FossilOrigin-Name: 75aec4fc886c04fe098828cc03bc72c197cbf40f0a1890fe5bbb98d4fd5c3c7e
 2019-08-20 14:43:01 +00:00
dan
ae8e45cb0c Fix problems with window frames that use ORDER BY ... NULLS LAST etc. 
FossilOrigin-Name: 75d665a494dd7d6e77d5a80af386ee5accc0a53416d5493424dc0fef6c7b01a0
 2019-08-19 19:59:50 +00:00
dan
9105fd5189 Prevent NULLS FIRST/LAST from being used in CREATE INDEX and other statements. 
FossilOrigin-Name: bb9767a287097a615aeb4abdba689b10e1a1c36c016c8e55905b508075e62c86
 2019-08-19 17:26:32 +00:00
dan
c324d44690 When populating an ephemeral b-tree for the RHS of an IN(...) clause, avoid applying an affinity to a value that may be used later on for some other purpose. Fix for [c7a117190]. 
FossilOrigin-Name: 43e8b14314d876178d487c3b519296ac1de065fdcaa70768e40d684015bceb9d
 2019-08-17 19:13:49 +00:00
drh
9e9a67adb0 Ensure the functions that appear to be constant are not factored out of 
expression that originate on the right-hand side of a LEFT JOIN.
Ticket [6710d2f7a13a2997]

FossilOrigin-Name: 500c9152daaf11cf69d778aa8592175f6088337c6667c59af6df3a24cd81eb0e
 2019-08-17 17:07:15 +00:00
dan
5b32bdff80 Merge trunk changes into this branch. 
FossilOrigin-Name: db1e60800bc260cdcd604739daaba72c6b486158123fc62a3898aca4ead33cd3
 2019-08-17 15:47:32 +00:00
dan
a3fcc000cb Ensure that SQLite does not attempt to process incompatible window functions in a single scan. Fix for [256741a1]. 
FossilOrigin-Name: 4f5b2d938194fab7627486e2ced633def2c90d9d3328e3700612feb9dbfa3d9a
 2019-08-15 13:53:22 +00:00