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2387 Commits

Author SHA1 Message Date
dan 488b55856e Fix a problem causing an OOM within an ALTER TABLE ADD COLUMN command that adds a column with a CHECK constraint to go unreported. 
FossilOrigin-Name: a33f5e93ecb7d84291f6fecc7b60f0c555034aa47e24584c63c78d8a94710d82
 2021-11-16 13:36:50 +00:00
drh 46c425b4dd Make SQLITE_CORRUPT sticky: If a CORRUPT error is returned, all subsequent 
write statements within the same transaction also fail early with
SQLITE_CORRUPT.

FossilOrigin-Name: 3feb0f1c3840904d28fc9a61262820e2b9b764addc1dd178aecc2cd0f952042c
 2021-11-10 10:59:10 +00:00
drh 90cf38be63 Refactor the code that figures out which SELECT in a cascade of nested queries 
a particular aggregate function belongs to.  This fixes the problem
reported by [forum:/forumpost/c7cc2aa3546e39c1|forum post c7cc2aa3546e39c1].
New test cases in dbsqlfuzz and th3.

FossilOrigin-Name: 74aec5dd1df95b5635f4da1f13753f113ea1d61de3dc3a1523ba51089c1900e4
 2021-11-08 23:24:00 +00:00
drh a4a871c286 Show the preferred schema table names in the output of "PRAGMA table_list". 
FossilOrigin-Name: 9147390d9885a37a62edc1058f313434627f1b59965c890877d2cb119e355c78
 2021-11-04 14:04:20 +00:00
drh ddfec00de3 First the shadow table mechanism so that it works even if the shadow table 
comes before the virtual table in the sqlite_schema table, as can happen
after a VACUUM.

FossilOrigin-Name: 005a8642773556825fe4c5d0b2c12517d35289308a30df0151ef7f080acb0172
 2021-11-04 00:51:53 +00:00
drh ac894af85e Improved the error message that results when a schema parse fails after 
ALTER TABLE ADD COLUMN.

FossilOrigin-Name: b007a39dd3a46d13fe06f2a1eeb4e3fd4cad1a77892be6d175b31db1edd6f6a8
 2021-11-03 15:59:17 +00:00
dan e7c23433fb Merge trunk changes into this branch. 
FossilOrigin-Name: 638c1b0c50229800067eb1ba29d829b4d6e008256c21a1f67b4ce4d19ea307b3
 2021-10-30 17:30:48 +00:00
drh dcf10a1a4b Fix harmless compiler warnings. Improve the independence of some TCL tests. 
FossilOrigin-Name: 1a038242dc6c0cab97dd9375acfce62aa1c386debc36aaed388d366b87ddd931
 2021-10-22 11:17:29 +00:00
drh 9fdd66e3c0 Enabled the testcase() macros under SQLITE_DEBUG. 
FossilOrigin-Name: 0ae8dd132db8331ca9cc42ad511066924f9d3a1d158ecdb630cebc41b6bd2493
 2021-10-20 17:58:33 +00:00
drh 1bbfc6744c Demostrate a prototype sqlite3_autovacuum_pages() interface. 
FossilOrigin-Name: bb6f2b8b486c225043bc64e5f74ff6bbad6c5d1f337f0c81eeb6172b087bb943
 2021-10-15 23:02:27 +00:00
mistachkin 77978a64f4 Fix harmless compiler warnings in the debug build for MSVC. 
FossilOrigin-Name: 1ceb73f316ddc736aebd1e82ef3a0d9c173d025ac5b7fcfbde0a65a0eeb60a4b
 2021-10-12 02:17:39 +00:00
drh b18b3df1da Further to the previous check-in, remove the "harmless()" macro definition as 
it is no longer used.

FossilOrigin-Name: b8c9a54664a87ac464b413390572c3feb912e1efc9c8a78c61f1b370e2165c05
 2021-10-08 18:15:50 +00:00
drh 074a131245 Minor improvements to comments in the data structure definitions. No 
changes to code.

FossilOrigin-Name: e77ac4050cf6c24118ce2af4c075f60e3eeb2dafe6d222c848bc4e541eef7172
 2021-10-08 10:25:06 +00:00
drh dbfbb5a0c5 New assert() statements to protect the u1 and u2 unions of SrcList. 
FossilOrigin-Name: 9b91fbcfcc14048f7d0755d47d9b7f9212fa2eaa6f3c04f417fa16c3a47943bf
 2021-10-07 23:04:50 +00:00
drh 477572b9f1 Protect access to the Expr.y union using nearby assert()s and branches. 
FossilOrigin-Name: 87e2f5eb436fc448427b0e24fb70f29688796b513b8c7b12f1a21540dae1e56d
 2021-10-07 20:46:29 +00:00
drh a4eeccdfdf Protect all accesses to the Expr.x union using nearby assert()s and branches. 
FossilOrigin-Name: 8eaa1d4a98b24adf245bbd2fe9212aa6a924a0f09c445906d7f87574f36a7423
 2021-10-07 17:43:30 +00:00
drh f975107437 Protect all accesses to the FuncDef.u and Expr.u unions using nearby 
assert()s or branches.

FossilOrigin-Name: 9af863f065e0bef491c2ab7525194505f9516f4e6dfc789d2e3a9d2c2438533a
 2021-10-07 13:40:29 +00:00
drh 16a8f28e49 Fix a macro typo introduced by [5da112c02f9e8d0b] that prevented coverage 
tests from working.

FossilOrigin-Name: 566e6974892ebd3d3de8d77b24655257a5efe14434c553e1a25fc680b201b336
 2021-10-06 10:36:56 +00:00
drh 11a9ad5669 Fix harmless static analyzer warnings in sessions, rtree, fts3 and fts5. 
Add the -DSQLITE_OMIT_AUXILIARY_SAFETY_CHECKS compile-time option to cause
ALWAYS() and NEVER() macros to be omitted from the build.

FossilOrigin-Name: 1c67f957fc77e37ce8f0d447c41ca975e8e79a35d332739c24a633649b5b0387
 2021-10-04 18:21:14 +00:00
drh 5bf4715e01 Add the sqlite3ResultStrAccum() internal interface to simplify the 
the implementation of functions that return strings.

FossilOrigin-Name: e548e9299d3fd6ce5b647cf0dd93ff8e917a5eda43076c6a02389c52640e2e50
 2021-10-03 00:12:43 +00:00
drh 260ff08133 Fix a problem with group_concat() when it is used as a window function with 
a sliding window, as described by
[forum:/forumpost/f3eb24a6c0|forum thread f3eb24a6c0].

FossilOrigin-Name: f47f7f78227830c065d9ce715b8456eab81a38d680f76bf4ff08f298d84f9c7a
 2021-10-01 22:48:52 +00:00
dan 37f3ac8faa Change things so that SQLITE_OMIT_VIRTUALTABLE implies SQLITE_OMIT_ALTER_TABLE. 
FossilOrigin-Name: 2f7c946c5f25a858167f5193ca06e53310394c8cff15426ab8a1327a1ec835fd
 2021-10-01 20:39:50 +00:00
drh f06db3e892 Fixes to the version of "varsep" group_concat so that (1) it builds under 
separate compilation and (2) omits tabs in source code and (3) runs faster
than trunk.  This variant of the group_concat_varsep branch might be preferred
over the tip because it preserves (undocumented) legacy behavior about the
position of separators relative to terms.

FossilOrigin-Name: 04399cf9645e04b171090ff8a3c27752929c10d2cd8778e26f8f3337aa902ab6
 2021-10-01 00:25:06 +00:00
drh 1580d50b76 Add const to parameters on various internal interfaces. 
FossilOrigin-Name: 70c221c5cf7b4d9ed34f16d045f262f99d16aa3db84f80cf0b03ee82ba28d075
 2021-09-25 17:07:57 +00:00
drh b6dad520e5 Add lots of new "const" on internal function parameters. There is opportunity 
for many more - this is a work in progress.

FossilOrigin-Name: a3c71a673ddd1c299bdae550fb955077b77088329a8ca2895dfb23538b524a8e
 2021-09-24 16:14:47 +00:00
drh 2a6a72a81c Ensure that the db->init.azInit array is initialized at all times. 
dbsqlfuzz 0ad6d441f9bf3dfc32626a9900bc1700495b16f9

FossilOrigin-Name: c7560c1329965ab57cd71393c044b110561b83641d08677bc51044df9e377882
 2021-09-24 02:14:35 +00:00
larrybr 998e910346 Fix non-build for a test configuration 
FossilOrigin-Name: c9a4ab059050a83d811149ff196ff16ea9e4c301627482800982b87cd30ddbbc
 2021-09-15 14:48:02 +00:00
drh b9fd0101bd Back out the change that allows typeless columns in strict tables. Replace 
that capability with an ANY type for strict tables that will accept any
datatype with BLOB affinity.

FossilOrigin-Name: d8fd1a2bfd51848ea612142d23475b268b3f5269e558f2e09713d1ac18b18274
 2021-08-23 10:28:02 +00:00
drh 9e1209d111 Enhance PRAGMA integrity_check so that it verifies the datatype of 
all columns in STRICT tables.

FossilOrigin-Name: 97c9248b3b81facce569bfa3fb405d44a1d1041e87132e8f649458c95620ccb2
 2021-08-19 02:58:15 +00:00
drh 72532f52bc Trying to insert an incorrect datatype into a STRICT table raises an 
SQLITE_CONSTRAINT_DATATYPE error.  Seems to work, though lots more testing
is needed.

FossilOrigin-Name: a19305e5cfedf5c472200d6e05c1396443e348f052a40a0979f860f2ff06851d
 2021-08-18 19:22:27 +00:00
drh 44183f83d0 What would it be like if you could add the keyword "STRICT" after a CREATE 
TABLE statement to cause the table to (1) allow only a few well-defined
datatypes, (2) rigidly enforce those types, (3) require NOT NULL on PK
columns, (4) always enforce foreign key constraint, and so forth?  This
branch seeks to explore that question.

FossilOrigin-Name: 78732b9f98936693ae29c85a692c35a84c7d065aec79903af34b08d18f10a5e6
 2021-08-18 13:13:58 +00:00
drh b70f2eabb4 Rename the Column.eType field to Column.eCType - with an extra "C". 
FossilOrigin-Name: b9b0dcd5af072c22f2ce71cf9584b5b572fbcfbce6410a7d703b586adb8938ba
 2021-08-18 12:05:22 +00:00
mistachkin bdf15bbd62 Further improvements to the eOpenState bit values. 
FossilOrigin-Name: d44f74f14a387960ce105913526b572f4a3d1935351c6aab10cee85946488a9e
 2021-08-09 18:13:38 +00:00
drh c806917441 Improved Hamming bit-distance between the SQLITE_STATE constants. 
FossilOrigin-Name: 5100b0456bc91f11e4a0bcf0d426ae4d8328cd9341ee2f9c83d0fa9f73047a83
 2021-08-09 17:36:22 +00:00
drh 687d74dfcc Fix comments associated with sqlite3.eOpenState. No logic changes. 
FossilOrigin-Name: fd8f498f5d5f7fcb78dd8f6f9323d20b9e2904b249ec735477a0f03cb47b8561
 2021-08-09 13:06:59 +00:00
drh 5f9de6ecf4 Refactor sqlite3.magic into sqlite3.eOpenState. 
FossilOrigin-Name: e5d6512aa1fa0016a679c6e0cb665a0c67ad16f1daa0c18a96b2ebae1beefd15
 2021-08-07 23:16:52 +00:00
drh 15482bc3f3 Fix harmless compiler warnings. Omit redundant copies of os_common.h and 
hwtime.h from the amalgamation.

FossilOrigin-Name: 091427007818537bb2f860c42dad867cb19050899186d4d180d195a1c6a98798
 2021-08-06 15:26:01 +00:00
drh 65b400931d Store the collating sequence name for each column of a table as an 
extension to the column name, for an additional savings in the heap space
needed to hold the schema.

FossilOrigin-Name: 832ac4c1ee384be0de72a4bdd55ed87e0f8294e7df5eefcf6b4942db3d85a69e
 2021-08-05 15:27:19 +00:00
drh cf9d36d1b3 Refactor field names in the Column object, zCnName and zCnColl, to make them 
unique and thus easier to find amid all the other code.

FossilOrigin-Name: 8b781dcaf68e0cf12a844708c82eee00193e340195cbca915d077e4846983bf3
 2021-08-02 18:03:43 +00:00
drh f38524d20d Refactor the Table object to reduce its memory footprint. 
FossilOrigin-Name: bbb6759bcf6e01d36dfc787a82a610d359f50aaeac8104b73883a84906d54e1f
 2021-08-02 16:41:57 +00:00
drh 79cf2b7120 Refactor the way that DEFAULT expressions are stored on columns, in order 
to save memory in the common case where the column has no DEFAULT clause.

FossilOrigin-Name: 8646547e54211d44c415663c33775c4268550f8332949c4731a4bb6ec9cc663a
 2021-07-31 20:30:41 +00:00
drh c2df4d6adb Recognize certain standard datatypes ("INT", "INTEGER", "REAL", "TEXT", and 
"BLOB") and if a column has one of those datatypes, store the type part of
the bit-field information in the Column structure to save space.

FossilOrigin-Name: d2da62a9df63036b02dadca3798de9e623c2680b3ef0c37d2b18bb88693afd7f
 2021-07-30 23:30:30 +00:00
drh 77441faff5 Avoid clownfeet in the names columns when the column names are quoted 
in the original CREATE TABLE statement.

FossilOrigin-Name: 980f7292afd45a8e73272e2139b55b99ab86167febec9fd0bf0356e8167b2ee9
 2021-07-30 18:39:59 +00:00
drh 5025cb581f Complete warning-free build on old PPC iBook. 
FossilOrigin-Name: ef2a0850394b1c6c1fc84b26694a3712ae1e50d52bb78fea2ec40148a7d833de
 2021-07-29 17:23:23 +00:00
drh ef8344c6a5 Try to omit the ORDER BY clause in subqueries if doing so does not change 
the result in any way. See
[forum:/forumpost/2d76f2bcf65d256a|Forum post 2d76f2bcf65d256a] for
details and history.

FossilOrigin-Name: 85ddaf1b59a19cbd9efe7724a163b30c14bafabfaf2cfced07b463e76f73e494
 2021-07-16 22:43:00 +00:00
drh ee612e2a5d Minor comment improvements. 
FossilOrigin-Name: 6854b5919beefa43da21ba739e82d583183c8cdfe5dd63e27a810ac1ffe2330b
 2021-07-16 20:16:19 +00:00
drh bb30123178 Attempt to omit ORDER BY clauses from FROM-clause subqueries if those ORDER BY 
clauses do not affect the output.  See
[forum:/forumpost/2d76f2bcf65d256a|forum thread 2d76f2bcf65d256a] for
discussion.  This can help the query flattener in
some cases, resulting in faster query plans.  The current implemention does
not always work.

FossilOrigin-Name: ef97c3e7c3ea2cf1a4db6591328fe7ce3f1d189afc2d578159135824ec89e620
 2021-07-15 19:29:43 +00:00
mistachkin b523159f40 Rename optional SQLITE_CUSTOM_INC define to SQLITE_CUSTOM_INCLUDE. 
FossilOrigin-Name: 060aec37accae858ced5b081a2ff76dccdd8f8bcefc63d1fe2e7478257c69e76
 2021-07-08 23:35:20 +00:00
larrybr f382e1dc59 Allow library build to #include a user-specified header. 
FossilOrigin-Name: 71e6490bbe59939cd15f0094e507dd8a2e167fdd8de675c3ebfeaf528a01f87a
 2021-07-08 22:12:27 +00:00
dan 74777f994d Improve the error message in cases where there is a row-value on the LHS of an IN() operator, the RHS is a list (not a sub-select) and at least one element of the list is not a row-value with the correct number of elements. 
FossilOrigin-Name: 6b22f4e71dbc14c887ebbda67095b5faaa8079cac87cd4ab5a2ae90c71cd9633
 2021-07-07 13:53:55 +00:00