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187 Commits

Author SHA1 Message Date
drh
687e20079c Fix the node hash function in RTREE to ensure that it always returns a 
non-negative value.

FossilOrigin-Name: 0bf4c70a6849da74797e8616a4f3730492ad02882ae67a0fe0f3b3cc3f1043b4
 2018-12-21 18:17:35 +00:00
drh
273e01b4c6 Fix a potential NULL-pointer deference in RTREE due to corrupt shadow tables. 
FossilOrigin-Name: 1fdd3604eef880414682e9e6f74d714520fe1c63f267ec4da752d2dc1da6bf72
 2018-12-21 17:51:30 +00:00
drh
fb077f3c50 Prevent an infinite loop in rtree that can result from a corrupt shadow table. 
FossilOrigin-Name: 085667180b230587abb82abfdd14da8859e23620994d5cf152236b64c756dd04
 2018-12-21 16:53:58 +00:00
drh
1429eca9d4 Fix the RTree extension so that it correctly ignores constraints that it 
does not understand, even if they are against a dimension column.

FossilOrigin-Name: ed8531e57596f0d5911a05a26d5ae61e1eccfaadee49219d7f6e212cac288238
 2018-12-21 15:13:49 +00:00
drh
558ef11ad9 In RTREE, turn an assert() into an if() because the condition can 
sometimes be false when dealing with a corrupt database.

FossilOrigin-Name: 99bce4358beb5dbaba47048ee2eec5c376dcd86e5b1462238a37ea4c5f3d77db
 2018-12-21 13:30:34 +00:00
drh
fc25721c9e Only allow shadow table to be written from within a recursive SQL call. 
Omit the SQLITE_PREPARE_SHADOW flag.  Some tests are failing because the
tests depend on being able to write to shadow tables.

FossilOrigin-Name: d890c6582524677666e6f5b5817331dec332ade16b2f744cbb8a3c7dd9b63e21
 2018-11-06 14:03:07 +00:00
drh
84c501bac1 Initial code to make shadow tables read-only to ordinary SQL. The now 
xShadowName method is added to the sqlite3_module object and is used
to identify potential shadow tables.  The SQLITE_PREPARE_SHADOW argument
to sqlite3_prepare_v3() is defined.  It is designed to permit writing to
shadow tables, but is currently an unused placeholder.

FossilOrigin-Name: 31942b3dd3f66eb0d9977bf1cadc2f2d7be7967cce2b55784be0b939dfef1985
 2018-11-05 23:01:45 +00:00
mistachkin
ed008ecede Fix some harmless compiler warnings seen with MSVC. 
FossilOrigin-Name: 78862252da7f59d4737ed16f4ccf100cea27d8b421db31051afbaa8d96f24de3
 2018-09-12 01:05:26 +00:00
drh
17f19eadb8 Fixes to the UPDATE logic in Geopoly. 
FossilOrigin-Name: 7c3cee0a2a5ccacff27400c38bd708f7b9b968eb013a8fa685d876dfe85e12a6
 2018-08-29 20:52:40 +00:00
drh
b0af3d1f97 The geopoly virtual table seems to be working. But only thinly tested so far. 
FossilOrigin-Name: 4288f1ad5966701eac4cfe3061e8ce98e34e0d6c112307668729642a06458d5f
 2018-05-28 23:59:03 +00:00
drh
748b8fda90 Forward port the geopoly extension functions into the r-tree extension, 
with the idea of creating a new spatial index based on simply polygons.

FossilOrigin-Name: 0593aac88a8c25ddafba4c29a181ee083dfc3dab44335feb6f12fdea6ce7fb27
 2018-05-25 19:22:47 +00:00
drh
338e311acb When doing a one-pass UPDATE or DELETE on virtual tables, close the cursor 
prior to running VUpdate.  This allows one-pass to work on virtual tables
that do not allow concurrent reads and writes.  Enhance rtree to take
advantage of this new capability.

FossilOrigin-Name: b816023ce07d01024d5769e16db924374a49bf909edd12dc1344a0a1ef693db5
 2018-05-24 23:51:57 +00:00
drh
c8c9cdd9dd Do not allow RTree writes when a read cursor is active on the same virtual 
table, as the writes might rebalance and disrupt the read cursors.  Return
the new SQLITE_LOCKED_VTAB error code if this happens.

FossilOrigin-Name: d4ce66610851c825cb712f985216b63e015c753fdd5521f929c67ad18bfd7664
 2018-05-24 22:31:01 +00:00
drh
a02fd67b99 Avoid unnecessary sqlite3_finalize() operations. 
FossilOrigin-Name: 16f71032a3a2919cb226b25b5256a370adb5c55fa506d4774b7f83dc8868e793
 2018-05-18 16:53:07 +00:00
drh
136c9903bf Fix a prepare-statement leak. 
FossilOrigin-Name: 95fd296ffc8130526a1453cbdca6ce47f22fc5b5c474aa31d66b627d0c7393a1
 2018-05-18 16:46:09 +00:00
drh
252f39619a Improved error messages. Limit the number of auxiliary columns to 100. 
FossilOrigin-Name: 059d20abd57727e6d312f15b640359ef778786f577d9b50b17b57195db2d0aef
 2018-05-18 15:21:43 +00:00
drh
26fb126622 Fix an issue with rtreecheck() and auxiliary data columns. 
FossilOrigin-Name: 46715136078a51ca7dd08b83214d6ad0e85728af8a26cd342077b8dd4ada1d60
 2018-05-16 19:56:20 +00:00
drh
7578456c25 Do not allow auxiliary columns in the rtree to interfere with query planning. 
Begin adding test cases.

FossilOrigin-Name: 9abe023e1afa7dc1a7eba7fbb3128401de129873d86b7c71c221decca26a821c
 2018-05-16 19:07:07 +00:00
drh
1e76c22b4a Fix the OOM issue mentioned in the previous check-in. 
FossilOrigin-Name: c489d8e44eac4cd355096ab66bb40f13ef662f31e080c9f1f2ee379fe55b207a
 2018-05-16 18:18:24 +00:00
drh
e297196524 Initial implementation of the ability to have auxiliary columns in an rtree 
virtual table that store arbitrary content.  It mostly works, but there are
some minor issues in OOM corner cases.

FossilOrigin-Name: 0c87fec970221f954e0a92f3ef0437b382255479fac5b403ee37b1bb5ab29719
 2018-05-16 17:57:30 +00:00
drh
a090ab90d6 Convert the schema creation logic in the rtree extension to use the 
new sqlite3_str interface.

FossilOrigin-Name: fd8b8c4196d3f0f6cb129f43ebf473ada86eefdf16181fa70ceee21e1232b5e1
 2018-05-14 15:26:05 +00:00
dan
eab0e10304 In extensions rtree, fts3 and fts5, ensure that when dynamic buffers are bound 
to persistent SQL statements using SQLITE_STATIC, the binding is replaced with
an SQL NULL before the buffer is freed. Otherwise, a user may obtain a pointer
to the persistent statement using sqlite3_next_stmt() and attempt to access
the freed buffer using sqlite3_expanded_sql() or similar.

FossilOrigin-Name: 2a5f813bc61f9e780f2ccbda425611f65ad523b6d486a1e5e2b9d5e9f1d260a2
 2018-02-07 18:02:50 +00:00
dan
2f94935409 Allow the shell to be built from the configure script with 
SQLITE_OMIT_VIRTUALTABLE defined.

FossilOrigin-Name: 136bf323e42dc90e1780199a381bcbb084b069eca5c7343ee6fc6e2550831536
 2018-01-20 15:48:45 +00:00
drh
468c649331 Add unnecessary initializations to some local variables in the rtree module 
to suppress false-positive compiler warnings coming out of MSVC.

FossilOrigin-Name: 64487d658cb3b6c8c67f1e198c70813c963de52599f3ea974bdc2aa432e74de9
 2017-12-16 04:37:15 +00:00
dan
7e2b38c53b Add tests cases and fix minor issues in the rtreecheck() function. 
FossilOrigin-Name: d6130cd226c0ca95e02f0cbabfdc27071acdcf83e0d0cb0eaa47d992479ed9a1
 2017-10-25 18:17:24 +00:00
mistachkin
8c66e5b73e Fix compilation issue (C99-ism) seen with MSVC. 
FossilOrigin-Name: 61870b42b033189509b244c76d28932f7a447b887ffe04a3c81461148e54cfb5
 2017-10-25 18:00:58 +00:00
dan
1917e92fdb Add SQL scalar function rtreecheck() to the rtree module. For running checks 
to ensure the shadow tables used by an rtree virtual table are internally
consistent.

FossilOrigin-Name: dde0bb3eab1316c3247b1755594527ca70955aab4ad4907190731f7ec092b327
 2017-10-25 16:38:34 +00:00
drh
9616805728 Fix a potential use of an uninitialized pointer in RTree following an OOM 
error.

FossilOrigin-Name: fd4ec0cdbd84f3333dd4c7a4236491bce6b9ab21fb2c088751ca1279b31bd864
 2017-09-21 13:11:47 +00:00
drh
6362bbe68d The RTREE extension should return SQLITE_CORRUPT_VTAB, not just SQLITE_CORRUPT 
when it encounters incorrectly formatted shadow tables.

FossilOrigin-Name: 0712f057ef3dcd907984dda30f6d961a29b61c1d2b25627028c4e227ec85dbba
 2017-08-17 18:17:24 +00:00
drh
22930062d5 Add a destructor argument to sqlite3_bind_pointer() 
and sqlite3_result_pointer().

FossilOrigin-Name: 3d9e841f6011480ebb8a6d860da72af7fa545983e08835ddef2cac96e5f5cd4b
 2017-07-27 03:48:02 +00:00
drh
c7b1ee5f6e Enhance the RTree module to detect node truncation early and report an error. 
FossilOrigin-Name: 66de6f4a9504ec2670b7273de8fb6955c80e03f7f73414ea6b80fd8a99f75976
 2017-07-01 15:21:17 +00:00
drh
2c2f392dca Add interfaces sqlite3_prepare_v3() and sqlite3_prepare16_v3() with the 
extra prepFlags argument.  Add the SQLITE_PREPARE_PERSISTENT option as one
bit in that argument.

FossilOrigin-Name: 4a25c5883380fe5990d8180adb58c3bdc7a3d081bc4c69cd4de3cd57074fb251
 2017-06-01 00:54:35 +00:00
drh
f8a2e8c2d2 Fix requirements marks and harmless compiler warnings. 
FossilOrigin-Name: 198ff4c01d86d193a54745764d69376cab8e94747a4daa444690f7e1ec87800b
 2017-05-06 17:12:52 +00:00
dan
5b09d13a58 Have the rtree module close any open blob-handle within the xSavepoint method. 
This prevents such an open blob handle from interfering with DROP TABLE
operations.

FossilOrigin-Name: fa4416adc2a9a3a80db1d5befc0b95c3d0fc41affe38f7f2f45cdfae3f1b49eb
 2017-04-08 13:52:41 +00:00
drh
297e2bdb8e Make sure the RTree sqlite3_blob handle is reset prior to renaming the table. 
FossilOrigin-Name: 1cdae2db3c54970a1811e597065724578408c84d49d75b8fe25d56281ddc2e94
 2017-04-08 01:09:14 +00:00
dan
6b904f5e01 Avoid a technically undefined right-shift of a signed value in rtree.c. 
FossilOrigin-Name: a144875fe44ff3a30bab299d50b7dbec2ee21f8c73e692a71ee1f7c54b5f0c76
 2017-03-20 19:26:27 +00:00
drh
dc5ece86ae Remove the CLANG_VERSION macro, since we have learned that version numbers in 
clang are "marketing" and are inconsistent and unreliable.  Builds using clang
will still use the GCC_VERSION macro since clang works hard to be gcc
compatible.

FossilOrigin-Name: 810d29320b853b3a01aa50d8f2a0bceacf79e0aa
 2017-02-15 15:09:09 +00:00
drh
a39284bfa8 Cleanup the usage of the SQLITE_DISABLE_INTRINSIC compile-time option. 
Remove the SQLITE_RUNTIME_BYTEORDER compile-time option.  Use
-DSQLITE_BYTEORDER=0 instead.  Fix a bug in R-Tree that occurs when compiling
on a known little-endian machine without the use of intrinsic byteswapping
functions.

FossilOrigin-Name: 798fb9d70d2e5f95e64237b04d6692360133381a
 2017-02-09 17:12:22 +00:00
dan
9fcb6ddc1e Fix a build problem affecting non-amalgamation rtree builds. 
FossilOrigin-Name: bb7f445ba1df53cd4a169612b18fc533016102b7
 2017-02-07 14:45:18 +00:00
drh
364ca6a90e Fix SQLITE_BYTEORDER #defines in R-Tree when compiled separately from the 
amalgamation.

FossilOrigin-Name: a136609c98ed3cc673c5a3c2578d49db3f2518d1
 2017-02-07 13:51:48 +00:00
drh
edd9bcb372 Make the cellMargin() routine of R-Tree slightly smaller and faster while also 
fixing a harmless compiler warning.

FossilOrigin-Name: 07fe6228208684d579c4f6c334c90eb6262a9233
 2017-02-07 12:58:38 +00:00
drh
b18bf843f7 Fix a minor typo in a comment in R-Tree. No changes to code. 
FossilOrigin-Name: f77ee9e941f22b0b2e88871df4466fdde9cde131
 2017-02-07 00:55:47 +00:00
drh
04128ace8d Remove a small amount of unnecessary code from R-Tree. 
FossilOrigin-Name: e5aea894267addb4dc9b21de24a20417b0be508a
 2017-02-06 16:52:32 +00:00
drh
9630f3ba08 Remove incorrect testcase() macros from R-Tree. 
FossilOrigin-Name: 853a58a75ecbd01ebbf7e07fbd8c4fc9bef54a99
 2017-02-06 01:19:07 +00:00
drh
fe05491b87 In RTREE, use an sqlite3_blob object rather than an sqlite3_stmt object 
for reading content out of the %_node shadow table.

FossilOrigin-Name: 97ccf3e4de11ffea46993cb7fb7ab559b9810705
 2017-02-04 14:24:05 +00:00
drh
010e312f8f Close sqlite3_blob objects on xSync rather than waiting until xCommit. 
FossilOrigin-Name: 95ee745fceb4a48c683f34c404c380fe5e7d684a
 2017-02-04 13:12:12 +00:00
drh
3accc7e1af Remove the unused pReadNode prepared statement from each RTREE object. 
FossilOrigin-Name: e51dc0ec60d45cd57564735b6b2bb254a588533e
 2017-02-02 16:30:25 +00:00
drh
ce655a2367 Fix a potential uninitialized (though harmless) variable in RTREE. 
FossilOrigin-Name: a1c74e09d63aca630d022ed074866433eed6b493
 2017-02-02 16:08:27 +00:00
drh
413e207e31 The sqlite3_blob_close() interface can cause recursive invocations of 
nodeBlobReset() in RTREE.  Make sure that does not cause problems.

FossilOrigin-Name: 88333441cbf26bfde2acebf2a3f75b5ebbdfb0ae
 2017-02-02 15:35:54 +00:00
drh
2033d1c8ca Change RTREE so that the sqlite3_blob object is closed whenever the cursor 
count drops to zero and there is not a pending write transaction.

FossilOrigin-Name: 9bb4eafe1a60176ed2e731bb7e3067c0b8a46615
 2017-02-02 14:40:06 +00:00