mirrors/sqlite
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Bloom filter pull-down optimization is incompatible with Skip-Scan.

Browse Source 
Make sure the query planner does not try to to both.
[forum:/info/50a1bbe08ce4c29c|Forum post 50a1bbe08ce4c29c].

FossilOrigin-Name: ad3ffa1a75a5a032ebb64d8e014ee0a85c5e44b732e4b11bd67f31a59e729b94
This commit is contained in:
drh 2022-03-02 21:04:10 +00:00
parent fc854505b4
commit 5694569591
4 changed files with 29 additions and 8 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

14
manifest
View File

@ -1,5 +1,5 @@
C Faster\sversion\sof\ssqlite3VdbeMemRelease().
D 2022-03-02T17:50:59.164
C Bloom\sfilter\spull-down\soptimization\sis\sincompatible\swith\sSkip-Scan.\nMake\ssure\sthe\squery\splanner\sdoes\snot\stry\sto\sto\sboth.\n[forum:/info/50a1bbe08ce4c29c|Forum\spost\s50a1bbe08ce4c29c].
D 2022-03-02T21:04:10.291
F .fossil-settings/empty-dirs dbb81e8fc0401ac46a1491ab34a7f2c7c0452f2f06b54ebb845d024ca8283ef1
F .fossil-settings/ignore-glob 35175cdfcf539b2318cb04a9901442804be81cd677d8b889fcc9149c21f239ea
F LICENSE.md df5091916dbb40e6e9686186587125e1b2ff51f022cc334e886c19a0e9982724
@ -641,7 +641,7 @@ F src/wal.h c3aa7825bfa2fe0d85bef2db94655f99870a285778baa36307c0a16da32b226a
F src/walker.c f890a3298418d7cba3b69b8803594fdc484ea241206a8dfa99db6dd36f8cbb3b
F src/where.c 0d75d7514764726409ea945520fe9fb515e7d9ae52a5a3c0a136142cfaa19087
F src/whereInt.h 15d2975c3b4c193c78c26674400a840da8647fe1777ae3b026e2d15937b38a03
F src/wherecode.c d34d3980f35e504a558f788ad9ac4bc6876b119409d597e7e234a4564a94c6ab
F src/wherecode.c 273893ebc8622737e0ea631138278bbc8138e3dc4d2e193ce2678a6baa21016f
F src/whereexpr.c 2a71f5491798460c9590317329234d332d9eb1717cba4f3403122189a75c465e
F src/window.c dfaec4abc6012cbc18e4a202ca3a5d5a0efcc4011d86a06d882ddaab8aedee4d
F test/8_3_names.test ebbb5cd36741350040fd28b432ceadf495be25b2
@ -1143,7 +1143,7 @@ F test/join.test 25cf0ac11c3b81fedfd166f9062166bdb39dea92f5a7c16cacbf6dc1f7f6702
F test/join2.test 9bdc615841b91c97a16d68bad9508aea11fa0c6b34e5689847bcc4dac70e4990
F test/join3.test 6f0c774ff1ba0489e6c88a3e77b9d3528fb4fda0
F test/join4.test 1a352e4e267114444c29266ce79e941af5885916
F test/join5.test 37864d567928652cab79a7872ebde74b3c67a1feb0366d98bb3bc7832885f388
F test/join5.test 3d51c4ae5f1f373a03164ca3c88d438f64bed7a2c01cf69810e2ca3d0e9071c8
F test/join6.test f809c025fa253f9e150c0e9afd4cef8813257bceeb6f46e04041228c9403cc2c
F test/journal1.test c7b768041b7f494471531e17abc2f4f5ebf9e5096984f43ed17c4eb80ba34497
F test/journal2.test 9dac6b4ba0ca79c3b21446bbae993a462c2397c4
@ -1944,8 +1944,8 @@ F vsixtest/vsixtest.tcl 6a9a6ab600c25a91a7acc6293828957a386a8a93
F vsixtest/vsixtest.vcxproj.data 2ed517e100c66dc455b492e1a33350c1b20fbcdc
F vsixtest/vsixtest.vcxproj.filters 37e51ffedcdb064aad6ff33b6148725226cd608e
F vsixtest/vsixtest_TemporaryKey.pfx e5b1b036facdb453873e7084e1cae9102ccc67a0
P 1291080d118c678072289a2e57a56b73657e9256ae47eafa7853716c8d47392f
R 6a54efa5d5625f9f9ec36bf19fa8fdf3
P 86c5fa2f301e4bdb538099f654b70b6ba0e214778cba2c53c53844e5d7ca129f
R ce130c74174cec9891d61458e25bf794
U drh
Z 145582c8165744c10655e15250277f3e
Z d775ec6037256eae49bb0d3cd795e9f6
# Remove this line to create a well-formed Fossil manifest.

2
manifest.uuid
View File

@ -1 +1 @@
86c5fa2f301e4bdb538099f654b70b6ba0e214778cba2c53c53844e5d7ca129f
ad3ffa1a75a5a032ebb64d8e014ee0a85c5e44b732e4b11bd67f31a59e729b94

2
src/wherecode.c
View File

@ -792,6 +792,7 @@ static int codeAllEqualityTerms(
VdbeCoverageIf(v, bRev!=0);
VdbeComment((v, "begin skip-scan on %s", pIdx->zName));
j = sqlite3VdbeAddOp0(v, OP_Goto);
assert( pLevel->addrSkip==0 );
pLevel->addrSkip = sqlite3VdbeAddOp4Int(v, (bRev?OP_SeekLT:OP_SeekGT),
iIdxCur, 0, regBase, nSkip);
VdbeCoverageIf(v, bRev==0);
@ -1397,6 +1398,7 @@ static SQLITE_NOINLINE void filterPullDown(
WhereLevel *pLevel = &pWInfo->a[iLevel];
WhereLoop *pLoop = pLevel->pWLoop;
if( pLevel->regFilter==0 ) continue;
if( pLevel->pWLoop->nSkip ) continue;
/* ,--- Because sqlite3ConstructBloomFilter() has will not have set
** vvvvv--' pLevel->regFilter if this were true. */
if( NEVER(pLoop->prereq & notReady) ) continue;

19
test/join5.test
View File

@ -342,4 +342,23 @@ do_execsql_test 9.1 {
SELECT a FROM (SELECT a FROM t1 NATURAL LEFT JOIN t1) NATURAL LEFT JOIN t1 WHERE (rowid,1)<=(5,0);
} {1}
# 2022-03-02 https://sqlite.org/forum/info/50a1bbe08ce4c29c
# Bloom-filter pulldown is incompatible with skip-scan.
#
reset_db
do_execsql_test 10.1 {
CREATE TABLE t1(x INT);
WITH RECURSIVE c(x) AS (VALUES(1) UNION ALL SELECT x+1 FROM c WHERE x<20)
INSERT INTO t1(x) SELECT 0 FROM c;
CREATE INDEX t1x1 ON t1(x BETWEEN 0 AND 10, x);
ANALYZE;
DELETE FROM t1;
INSERT INTO t1 VALUES(0),(0);
CREATE VIEW v1 AS SELECT * FROM t1 NATURAL JOIN t1 WHERE (x BETWEEN 0 AND 10) OR true;
CREATE VIEW v2 AS SELECT * FROM v1 NATURAL JOIN v1;
CREATE VIEW v3 AS SELECT * FROM v2, v1 USING (x) GROUP BY x;
SELECT x FROM v3;
} {0}
finish_test