From: drh <>
Date: Mon, 3 Mar 2025 15:57:12 +0000 (+0000)
Subject: Merge the latest trunk enhancements into the wal2 branch.
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=699a832669b97506883755cdac903a7b4edd47e8;p=thirdparty%2Fsqlite.git

Merge the latest trunk enhancements into the wal2 branch.

FossilOrigin-Name: 6baea938f0230f8b81b33373f948857fc44c2b3788bf8d4ee6e863b045632b82
---

699a832669b97506883755cdac903a7b4edd47e8
diff --cc manifest
index d74b7c5573,a5c56b8fac..af57fa66b9
--- a/manifest
+++ b/manifest
@@@ -1,12 -1,12 +1,12 @@@
- C Merge\sall\sthe\slatest\strunk\senhancements\sinto\sthe\swal2\sbranch.
- D 2025-02-18T14:38:00.775
 -C Internal\sconfigure\sscript\scleanups.\sResolve\san\sas-yet-hypothetical\scorner\scase\sinvolving\sthe\s--dev\sflag\smixed\swith\scustom\sCFLAGS\scontaining\sSQLITE_ENABLE...\sor\sSQLITE_OMIT...\sflags.\sFix\san\sunrelated\sAPI\sdoc\stypo\sreported\sin\s[forum:606ea661df|forum\spost\s606ea661df].
 -D 2025-03-03T14:15:13.905
++C Merge\sthe\slatest\strunk\senhancements\sinto\sthe\swal2\sbranch.
++D 2025-03-03T15:57:12.884
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@@@ -846,25 -847,25 +849,25 @@@ F src/treeview.c d85ce76e6d1498d781957c
  F src/trigger.c da3c25786870d8bf97cd46b493374c2375d1abaf20a9b0f5f8629a3f2f2ce383
  F src/update.c 3e5e7ff66fa19ebe4d1b113d480639a24cc1175adbefabbd1a948a07f28e37cf
  F src/upsert.c 215328c3f91623c520ec8672c44323553f12caeb4f01b1090ebdca99fdf7b4f1
- F src/utf.c 8b29d9a5956569ea2700f869669b8ef67a9662ee5e724ff77ab3c387e27094ba
- F src/util.c 9ff6470dabcf943fd796d2da766c98bd328c8f6fe036a31e5b338e628603f989
+ F src/utf.c d4d55ca95106a2029ec1cdbd2497a34e69ea1d338f1a9d80ef15ebf4ff01690d
+ F src/util.c 36fb1150062957280777655976f3f9a75db236cb8207a0770ceae8d5ec17fcd3
  F src/vacuum.c b763b6457bd058d2072ef9364832351fd8d11e8abf70cbb349657360f7d55c40
 -F src/vdbe.c e7567bed441a53c4ceb48d2bdf3d1747677fc296a91e8d2a0fe8facdb9b890ce
 +F src/vdbe.c 147291ebfc5eafea14666a34f191026a20531a93c35dc564535db5346973dd47
  F src/vdbe.h 3d26d5c7660c5c7bd33ffb0d8784615072d8b23c81f8110870efe2631136bc89
  F src/vdbeInt.h 078b1c15b26587b54c1c1879d0d2f4dec812b9de4c337fed9faf73fbcc3bf091
  F src/vdbeapi.c cb8eb9e41a16f5fa3ce5b8f3910edfbba336d10156cfb7a79f92cf7bf443977b
 -F src/vdbeaux.c d7ef1a0a7233589d789eda1ba9ffa4b0ea61fca9651e4f47fb4250d03d62bcaf
 +F src/vdbeaux.c 5b3bc53ee0b16a9cc701cf775f5c2313404f8dc35255388cb82dee5926464c65
  F src/vdbeblob.c 9166b6eb7054e5da82e35255892fb1ed551355a4716452539e8e3ac14f25fbe3
  F src/vdbemem.c 571ae3116dbf840a62c4aaa6bc09d577dfef8ad4d3978cf37275bb5f9653217b
- F src/vdbesort.c 3e8e6340ec5f68909a975031081102471300eaec9791d081b5443822e1061cda
+ F src/vdbesort.c f7ce6eb4c0e8b0273329d2f43b8b6e5ebe8f2d853fc323d5787dada702ea0b66
  F src/vdbetrace.c fe0bc29ebd4e02c8bc5c1945f1d2e6be5927ec12c06d89b03ef2a4def34bf823
  F src/vdbevtab.c fc46b9cbd759dc013f0b3724549cc0d71379183c667df3a5988f7e2f1bd485f3
  F src/vtab.c 828221bdbeaaa6d62126ee6d07fd4ec0d09dcaea846f87ad01944d8b7e548859
  F src/vxworks.h d2988f4e5a61a4dfe82c6524dd3d6e4f2ce3cdb9
- F src/wal.c 19bd7caa2f1af8c86b21151e1fc14bba873eefcdd2a06047b4e8cdebf4a25697
 -F src/wal.c 2c69a5f92270429db72d853691b0640c76c671d5b2465396dadb9d9873e1efce
 -F src/wal.h ba252daaa94f889f4b2c17c027e823d9be47ce39da1d3799886bbd51f0490452
++F src/wal.c f313d6bf9178a8cd5bf8dc17e4e1538908a5331b18392d24a09405144456b256
 +F src/wal.h 97b8a9903387401377b59507e86b93a148ef1ad4e5ce0f23659a12dcdce56af2
  F src/walker.c d5006d6b005e4ea7302ad390957a8d41ed83faa177e412f89bc5600a7462a014
- F src/where.c 09dc313e7223ca1217c39c7026b00f16ff449a8323511a762fcba7863a00f4cd
+ F src/where.c 12cca5dfbe96e2589f951c43c0720fc58e52611787c37d85a0d9c10376202e8b
  F src/whereInt.h d20cddddb1d61b18d5cb1fcfa9b77fbeebbc4afe44d996e603452a23b3009ee1
  F src/wherecode.c 5baa06f0daae7d38aca1d4814030b82ad4f127fe6bad18f0644776a474f6088b
  F src/whereexpr.c 2415c8eee5ff89a8b709d7d83d71c1ff986cd720d0520057e1d8a5371339012a
@@@ -1727,9 -1729,9 +1731,9 @@@ F test/temptable.test d2c9b87a54147161b
  F test/temptable2.test 76821347810ecc88203e6ef0dd6897b6036ac788e9dd3e6b04fd4d1631311a16
  F test/temptable3.test d11a0974e52b347e45ee54ef1923c91ed91e4637
  F test/temptrigger.test 38f0ca479b1822d3117069e014daabcaacefffcc
- F test/tester.tcl b1ffedf6bc6e0044448813e37f3ec3496e35268c35802a508f2f013cf5f74247
- F test/testrunner.tcl 90ed8b6c2b26dc1f6af08aeb04670a5df86172f3d9828d8af000f972afa50061 x
- F test/testrunner_data.tcl 63ff9eba1d11a3b0a6fc8446d5fa32da21aabda55b994e8fcbd4a8ce81f48378
 -F test/tester.tcl 2f900e8c912fbbaf381e69a92258fa6023ad0b4c8907e426bebbb4585da23c61
++F test/tester.tcl 779d5a928fa7b5d7ac0f8d91182b0d0ea5f06dba8ac7baab4add0268b3864058
+ F test/testrunner.tcl 0ffa67806e75aa2c186c63d7d00b16bb45adb91ed6560461fda6dbe3e18c885e x
+ F test/testrunner_data.tcl 6d7e7824bb36278ea65c33f7da6dd3ca101fc7d6f7a765b807dce0aa68c52521
  F test/thread001.test a0985c117eab62c0c65526e9fa5d1360dd1cac5b03bde223902763274ce21899
  F test/thread002.test c24c83408e35ba5a952a3638b7ac03ccdf1ce4409289c54a050ac4c5f1de7502
  F test/thread003.test ee4c9efc3b86a6a2767516a37bd64251272560a7
@@@ -2158,7 -2150,7 +2164,7 @@@ F tool/merge-test.tcl de76b62f2de2a92d4
  F tool/mkamalzip.tcl 8aa5ebe7973c8b8774062d34e15fea9815c4cc2ceea3a9b184695f005910876a
  F tool/mkautoconfamal.sh c5e65fa1c922f2e3b3e4f6cd0331ec7d84bdef085f32cb1c46673cdf95ec8090
  F tool/mkccode.tcl 210159febe0ef0ecbc53c79833500663ceaba0115b2b374405818dc835b5f84b x
- F tool/mkctimec.tcl 4b8824c28883a12c4ef7c6aeabd7f7068e0815613374e9cb9206866938af38b6 x
 -F tool/mkctimec.tcl f76dbfc74cefad8d126384ba3263677939f077bd184fcdf8c592a1daf64f50c3 x
++F tool/mkctimec.tcl a384e7613db2a46e346cb4593731239a9239e942ff00aabd0c2b5d9e7afae840 x
  F tool/mkkeywordhash.c 6b0be901c47f9ad42215fc995eb2f4384ac49213b1fba395102ec3e999acf559
  F tool/mkmsvcmin.tcl d76c45efda1cce2d4005bcea7b8a22bb752e3256009f331120fb4fecb14ebb7a
  F tool/mkopcodec.tcl 33d20791e191df43209b77d37f0ff0904620b28465cca6990cf8d60da61a07ef
@@@ -2221,8 -2213,8 +2227,8 @@@ F tool/version-info.c 3b36468a90faf1bbd
  F tool/warnings-clang.sh bbf6a1e685e534c92ec2bfba5b1745f34fb6f0bc2a362850723a9ee87c1b31a7
  F tool/warnings.sh 49a486c5069de041aedcbde4de178293e0463ae9918ecad7539eedf0ec77a139
  F tool/win/sqlite.vsix deb315d026cc8400325c5863eef847784a219a2f
- P e194c8e8c75fcfda263fbf3f51e5236e66221bd245805af95afbf6a60506d247 57caa3136d1bfca06e4f2285734a4977b8d3fa1f75bf87453b975867e9de38fc
- R 9c4710820b3348f179e56fcbe4a59a65
 -P acf9babf0efc346b26c8ac02c0bd973498bf1604b47fe320de14027f9b21ed33
 -R 5182bad1c42928bd1b84d01963e58063
 -U stephan
 -Z df301f75cd724e3f3d22ab4620a14201
++P bd4651659548bfa523dd99f0c771b7d3c9f5dc41d0412f4f939710c4f4c6e17d 0554c00f32b7cc81d35340080df10ea6d66c9ff07fe749ea76cc523a4149b5c8
++R d31d7d7a1ed496dcb860da185f0ad20b
 +U drh
- Z 02cfb0792935de623bd664cb7830b3e9
++Z 02b9e19d9faab8c2596faf30f552d8da
  # Remove this line to create a well-formed Fossil manifest.
diff --cc manifest.uuid
index d84e9b9274,9042fde288..c41caea496
--- a/manifest.uuid
+++ b/manifest.uuid
@@@ -1,1 -1,1 +1,1 @@@
- bd4651659548bfa523dd99f0c771b7d3c9f5dc41d0412f4f939710c4f4c6e17d
 -0554c00f32b7cc81d35340080df10ea6d66c9ff07fe749ea76cc523a4149b5c8
++6baea938f0230f8b81b33373f948857fc44c2b3788bf8d4ee6e863b045632b82
diff --cc src/wal.c
index c90d26a42c,d374d6eb4d..d251a1724c
--- a/src/wal.c
+++ b/src/wal.c
@@@ -4133,97 -3482,14 +4145,100 @@@ int sqlite3WalBeginReadTransaction(Wal 
  ** read-lock.
  */
  void sqlite3WalEndReadTransaction(Wal *pWal){
-   sqlite3WalEndWriteTransaction(pWal);
+ #ifndef SQLITE_ENABLE_SETLK_TIMEOUT
+   assert( pWal->writeLock==0 || pWal->readLock<0 );
+ #endif
 -  if( pWal->readLock>=0 ){
 +  if( pWal->readLock!=WAL_LOCK_NONE ){
+     sqlite3WalEndWriteTransaction(pWal);
      walUnlockShared(pWal, WAL_READ_LOCK(pWal->readLock));
 -    pWal->readLock = -1;
 +    pWal->readLock = WAL_LOCK_NONE;
 +  }
 +}
 +
 +/* Search hash table iHash for an entry matching page number
 +** pgno. Each call to this function searches a single hash table
 +** (each hash table indexes up to HASHTABLE_NPAGE frames).
 +**
 +** This code might run concurrently to the code in walIndexAppend()
 +** that adds entries to the wal-index (and possibly to this hash 
 +** table). This means the value just read from the hash 
 +** slot (aHash[iKey]) may have been added before or after the 
 +** current read transaction was opened. Values added after the
 +** read transaction was opened may have been written incorrectly -
 +** i.e. these slots may contain garbage data. However, we assume
 +** that any slots written before the current read transaction was
 +** opened remain unmodified.
 +**
 +** For the reasons above, the if(...) condition featured in the inner
 +** loop of the following block is more stringent that would be required 
 +** if we had exclusive access to the hash-table:
 +**
 +**   (aPgno[iFrame]==pgno): 
 +**     This condition filters out normal hash-table collisions.
 +**
 +**   (iFrame<=iLast): 
 +**     This condition filters out entries that were added to the hash
 +**     table after the current read-transaction had started.
 +*/
 +static int walSearchHash(
 +  Wal *pWal, 
 +  u32 iLast,
 +  int iHash, 
 +  Pgno pgno, 
 +  u32 *piRead
 +){
 +  WalHashLoc sLoc;                /* Hash table location */
 +  int iKey;                       /* Hash slot index */
 +  int nCollide;                   /* Number of hash collisions remaining */
 +  int rc;                         /* Error code */
 +  u32 iH;
 +
 +  rc = walHashGet(pWal, iHash, &sLoc);
 +  if( rc!=SQLITE_OK ){
 +    return rc;
 +  }
 +  nCollide = HASHTABLE_NSLOT;
 +  iKey = walHash(pgno);
 +  SEH_INJECT_FAULT;
 +  while( (iH = AtomicLoad(&sLoc.aHash[iKey]))!=0 ){
 +    u32 iFrame = iH + sLoc.iZero;
 +    if( iFrame<=iLast && iFrame>=pWal->minFrame && sLoc.aPgno[iH-1]==pgno ){
 +      assert( iFrame>*piRead || CORRUPT_DB );
 +      *piRead = iFrame;
 +    }
 +    if( (nCollide--)==0 ){
 +      *piRead = 0;
 +      return SQLITE_CORRUPT_BKPT;
 +    }
 +    iKey = walNextHash(iKey);
 +  }
 +
 +  return SQLITE_OK;
 +}
 +
 +static int walSearchWal(
 +  Wal *pWal, 
 +  int iWal, 
 +  Pgno pgno, 
 +  u32 *piRead
 +){
 +  int rc = SQLITE_OK;
 +  int bWal2 = isWalMode2(pWal);
 +  u32 iLast = walidxGetMxFrame(&pWal->hdr, iWal);
 +  if( iLast ){
 +    int iHash;
 +    int iMinHash = walFramePage(pWal->minFrame);
 +    u32 iExternal = bWal2 ? walExternalEncode(iWal, iLast) : iLast;
 +    assert( bWal2==0 || pWal->minFrame==0 );
 +    for(iHash=walFramePage(iExternal); 
 +        iHash>=iMinHash && *piRead==0; 
 +        iHash-=(1+bWal2)
 +    ){
 +      rc = walSearchHash(pWal, iExternal, iHash, pgno, piRead);
 +      if( rc!=SQLITE_OK ) break;
 +    }
    }
 +  return rc;
  }
  
  /*