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2305 Commits

Author SHA1 Message Date
drh
6b910364bb Merge changes on trunk into the generated-columns branch. 
FossilOrigin-Name: ba123b8c201053d8f9387de38f3513b06f7721b28d79fab8489f96d336105117
 2019-10-22 12:02:09 +00:00
drh
898c527eaf When flipping ("commuting") a comparison operator, set the new EP_Commuted 
bit rather than adding extra EP_Collate bits, to single later processing that
the order of precedence for COLLATE operators is inverted.
Fix for ticket [b47e3627ecaadbde]

FossilOrigin-Name: 90f7c477354d67d22d5eb0da22dac579f384ab44743fdc19887220e32203ebc2
 2019-10-22 00:03:41 +00:00
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
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
8e10d74b21 Get generated columns working for WITHOUT ROWID tables. 
FossilOrigin-Name: 9f409649ec4282a47f0a8b079b419f1922e0c24779b297f477ced168d5b7910d
 2019-10-18 17:42:47 +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
0b0b3a95d0 In the Table object, change the nVCol field to nNVCol - the number of 
non-virtual columns, as that is the quantity that we need most.

FossilOrigin-Name: 4ad66af04a654d92711d2d056ce8f35cd21eac4b99fb8d78be1a314620b6d29e
 2019-10-17 18:35:57 +00:00
drh
c143114460 Some (but not all) INSERT and UPDATE statements now work for STORED columns. 
FossilOrigin-Name: fe7517bf4d360597576ab9aba29627d7926d23f2bbbfb3e7bf4d32761617574c
 2019-10-17 17:54:05 +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
c27ea2ae8d ALTER TABLE is able to add a VIRTUAL column. 
FossilOrigin-Name: 120c6b78cb51532f783014605f1107d40b2e4f54e3852fb1f8f167d0c0b78c69
 2019-10-16 20:05:56 +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
dan
3703edf110 Be sure to rewrite column references inside FILTER clauses and window frame definitions when flattening queries. Fix for [1079ad19]. 
FossilOrigin-Name: ccba7202b69d239724c3b589439c9c3b0e1bba237accfeb11c39d492522b8719
 2019-10-10 15:17:09 +00:00
drh
31f69626df Performance optimization to the lookaside-memory disabling mechanism. 
FossilOrigin-Name: 17ce1c49cb0ed6fdd8c7c33431bc2afa217f1092c99b8dd608890a8e7aec7fb1
 2019-10-05 14:39:36 +00:00
drh
905d4729d3 Add missing comment to constant definitions. 
FossilOrigin-Name: 661a3789eb329a2487855e49c31067a9dde4c91c1a3a65b65375d079f906b1da
 2019-09-28 18:28:19 +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
d44c617ad4 Extra comments on fields of the Window object. 
FossilOrigin-Name: 3dbed162518a73213bbfb137c763064518fdc2daeae3952cfab39ce0e6813d3f
 2019-09-14 16:21:02 +00:00
dan
e2ba6df9f0 Add the SQLITE_SUBTYPE flag, which can be passed to sqlite3_create_function() and similar to indicate to the core that a user function is likely to use sqlite3_result_subtype(). 
FossilOrigin-Name: 6aa438ce41d460a6782ae63503128b9140c28ff59c2b2eed48b004acf83e0560
 2019-09-07 18:20:43 +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
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
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
5b32bdff80 Merge trunk changes into this branch. 
FossilOrigin-Name: db1e60800bc260cdcd604739daaba72c6b486158123fc62a3898aca4ead33cd3
 2019-08-17 15:47:32 +00:00
drh
217ca657d8 The SQLITE_DIRECTONLY flag, when added to sqlite3_create_function() prevents 
the function from being used inside a trigger or view.

FossilOrigin-Name: de767376987f7668b0770c4920f1532e341b5a27f797d69c0f5e92b87d036170
 2019-08-17 00:53:29 +00:00
drh
cc5979dbd3 Add the ability to unregister a virtual table module by invoking 
sqlite3_create_module() with a NULL sqlite3_module pointer.

FossilOrigin-Name: 31e34fa3390196cdc3178bf120224b08df5ec58fa2c77079ede6e9461a430dad
 2019-08-16 22:58:29 +00:00
drh
11d88e68ab Add the SQLITE_DBCONFIG_ENABLE_VIEW option, together with a "db config" 
command in the TCL interface that can access that option as well as all the
other sqlite3_db_config() boolean options.

FossilOrigin-Name: 61b4bccd2984f4c2cf50f58ef08677588e57aa7e079af07473b2e188d9ce4f52
 2019-08-15 21:27:20 +00:00
drh
42d2fce7f5 Provide the SQLITE_DIRECTONLY flag for app-defined functions that prohibits 
the use of those functions within triggers or views.

FossilOrigin-Name: fc745845d8d76adc165575e2192f4176e3c28e614c72571d56f4011560499fe1
 2019-08-15 20:04:09 +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
dan
6e11892db8 Experimental implementation of NULLS FIRST/LAST. This branch still has problems - the most significant of which is that ORDER BY clauses with a non-default NULLS FIRST/LAST qualifier can never use an index. 
FossilOrigin-Name: 07babb0f897fc8c9cb5b30481899c32fdd743f3f3ca508d8d957826252107dd5
 2019-08-12 16:36:38 +00:00
drh
30842990b2 Add a TESTCTRL that disables the verification of type, name, and tbl_name 
in the sqlite_master table.

FossilOrigin-Name: 48d9b48ab4ace234eb1a055cf33cb533a1c3aa82d0a6e086d96226bd9474ceca
 2019-08-12 14:17:43 +00:00
drh
c5a93d4c85 Validate the type, name, and tbl_name fields of the sqlite_master table when 
loading the schema, unless writable_schema is engaged.

FossilOrigin-Name: 724f4df9ccc2b683f7091a3f7a8c20ee210f44d7a610cd1b4c49da1c274add08
 2019-08-12 00:08:07 +00:00
drh
5eae1d1b33 More legacy STAT3 code removed. 
FossilOrigin-Name: 845d2f17de5b4740f95884307d9efec3223737bb0f2c4a74693666caf5f61c21
 2019-08-08 16:23:12 +00:00
drh
175b8f06f7 Remove support for STAT3. The sqlite_stat3 tables are ignored, if they 
exist.  STAT4 continues to work as it always has, and as it is a superset of
STAT3 is the recommended replacement.

FossilOrigin-Name: 1e17ea2fd1df4ad49138c787c8fe3207dd0c25c93f9001d52a9b69f8c12e841c
 2019-08-08 15:24:17 +00:00
drh
96fb16eecd Use 0x40 (ASCII '@') instead of 0x00 to mean "no affinity" so that columns 
with no affinity can appear in a zero-terminated string.  Use the new
SQLITE_AFF_NONE macro for this new magic number.

FossilOrigin-Name: e8234f6939ccff4c10f741cf66d1c537cfebcbd0d1d79a618a64c755a7f087b5
 2019-08-06 14:37:24 +00:00
drh
81506b88b8 One of two options on how to address ticket [61c853857f40da49]. In this 
mode, we back out the documentation change of
[https://www.sqlite.org/docsrc/info/07b7749da88d54e5|[07b7749da88d54e5]]
and change the core to work as it has been documented to work since 2017,
rather than how it has actually worked since 2009.

FossilOrigin-Name: 09cd0c0c6e6c963e0039a733876e5149adb3cd10e9b92699fa1dcb0633e997a4
 2019-08-05 19:32:06 +00:00
drh
1194904b81 Refactor field Expr.affinity into Expr.affExpr to avoid confusion with other 
fields and variables named "affinity" and display affExpr it in
sqlite3TreeViewExpr() output.

FossilOrigin-Name: a29f2a7d07beff64e489e8f824babc6228c4a499fadc0ee701caa60a63baadcd
 2019-08-05 18:01:42 +00:00
drh
55b4c827fa In the ".wheretrace 0x100" debugging mode, show the structure of the 
main parameters to sqlite3WhereBegin() calls.

FossilOrigin-Name: fd598e475d353363e19adc27a671170f11ae9f6d8cad58cb2303fb2ad8ac6bec
 2019-08-03 16:17:46 +00:00
drh
ade54d68ee Add the SQLITE_TESTCTRL_PRNG_SEED test control. 
FossilOrigin-Name: 3ac5723164ae801e209ce525a5d94692767136f9d06be2a84883dcea677d02da
 2019-08-02 20:45:04 +00:00
drh
e209457295 Consolidate the removal of Window objects from the Select.pWin list into 
a single subroutine.

FossilOrigin-Name: e46b2afc99329c43de08d4a2e6ade4d2239d7409c5d5626bf272a3e0dd24d1b4
 2019-07-22 19:01:38 +00:00
dan
75b0821e99 Remove Window objects from the corresponding Select.pWin list when they are deleted. 
FossilOrigin-Name: d23f33168222dfa40a67dc7de58057418151989e81429e4af47617e86db04667
 2019-07-22 16:20:03 +00:00
drh
fd15e18d7f Make sure any window definitions in an ORDER BY clause are removed from 
the SELECT statement if the ORDER BY clause gets optimized out.

FossilOrigin-Name: 23b119671f0be3c6b72cf2dc5f7707a0626766db7aa56529ab00d33d1a0a1bee
 2019-07-20 21:12:31 +00:00
drh
4509ffa362 Always use the stdlib.h intptr_t type for pointer-integer conversions, when 
it is available.

FossilOrigin-Name: c0d932449db3deed42a99bd948aab61e56b2d8441d7de5243688695ff04e8177
 2019-07-17 19:57:55 +00:00
dan
df9d32441a Add support for attaching a FILTER clause to an aggregate function. 
FossilOrigin-Name: ee293e5aeac0b05a8b809095610fd8b4fdaf8e68cd368de90ec0d45e3582ffe5
 2019-07-13 16:39:38 +00:00
dan
4f9adee289 Rework the FILTER clause implementation to share more code with window functions. 
FossilOrigin-Name: 5dac8c38dfc3f41c5c8fb49ca35de7fd1b21f269d72e8ba6ba59ed0a4030a54d
 2019-07-13 16:22:50 +00:00