Merge fixes from trunk into the empty-table-optimizations branch

FossilOrigin-Name: 6f98b16d210a9f5b6ca4b4599e3dab3263eddbae7c70ddbcabf988f4a1014e8b

diff --cc manifest
index 0ed185a5637b4233f898f3b17d39b5e03f99d97c,dd9a55e14522d53e0983c6cf19e8bd7a906e3a8d..3afc7c832257d2bedfb6aa5d713b0c9dd4ad2fbb
--- 1/manifest
--- 2/manifest
+++ b/manifest
@@@ -1,5 -1,5 +1,5 @@@
- C Do\snot\sallow\sthe\sEXISTS-to-JOIN\soptimization\sif\sthe\sEXISTS\sclause\sis\sbased\non\sa\sview,\ssince\sthat\sview\smight\sexpand\sinto\sa\sjoin.
- D 2025-07-04T11:06:34.046
 -C Fix\sharmless\scompiler\swarnings.
 -D 2025-07-04T12:25:24.884
++C Merge\sfixes\sfrom\strunk\sinto\sthe\sempty-table-optimizations\sbranch
++D 2025-07-04T14:24:18.375
  F .fossil-settings/binary-glob 61195414528fb3ea9693577e1980230d78a1f8b0a54c78cf1b9b24d0a409ed6a x
  F .fossil-settings/empty-dirs dbb81e8fc0401ac46a1491ab34a7f2c7c0452f2f06b54ebb845d024ca8283ef1
  F .fossil-settings/ignore-glob 35175cdfcf539b2318cb04a9901442804be81cd677d8b889fcc9149c21f239ea
@@@ -726,10 -726,10 +726,10 @@@ F src/auth.c 54ab9c6c5803b47c0d45b76ce2
  F src/backup.c 5c97e8023aab1ce14a42387eb3ae00ba5a0644569e3476f38661fa6f824c3523
  F src/bitvec.c e242d4496774dfc88fa278177dd23b607dce369ccafb3f61b41638eea2c9b399
  F src/btmutex.c 30dada73a819a1ef5b7583786370dce1842e12e1ad941e4d05ac29695528daea
- F src/btree.c 96fcbe6db6af625e5a14c34d8f13688d1d22c5f924a436b12395aaf09ec65944
 -F src/btree.c 783f9999f9ca56846619ba902f5970e181d897c23cc923c915fef225af6dda8a
 -F src/btree.h 18e5e7b2124c23426a283523e5f31a4bff029131b795bb82391f9d2f3136fc50
++F src/btree.c cb5b8ceb9baa02a63a2f83dec09c4153e1cfbdf9c2adef5c62c26d2160eeb067
 +F src/btree.h e823c46d87f63d904d735a24b76146d19f51f04445ea561f71cc3382fd1307f0
  F src/btreeInt.h 9c0f9ea5c9b5f4dcaea18111d43efe95f2ac276cd86d770dce10fd99ccc93886
 -F src/build.c 67c1db4c5e89a8519fe9b6dafc287f6bc3627696b5b8536dc5e06db570d8c05f
 +F src/build.c f0a3d935954b1b344b929f5092f94e535ac98cf72bb8bcd3e72fb3dfa982e169
  F src/callback.c acae8c8dddda41ee85cfdf19b926eefe830f371069f8aadca3aa39adf5b1c859
  F src/complete.c a3634ab1e687055cd002e11b8f43eb75c17da23e
  F src/date.c 9db4d604e699a73e10b8e85a44db074a1f04c0591a77e2abfd77703f50dce1e9
@@@ -867,10 -867,10 +867,10 @@@ F src/vxworks.h d2988f4e5a61a4dfe82c652
  F src/wal.c 20be6f0a25a80b7897cf2a5369bfd37ef198e6f0b6cdef16d83eee856056b159
  F src/wal.h ba252daaa94f889f4b2c17c027e823d9be47ce39da1d3799886bbd51f0490452
  F src/walker.c d5006d6b005e4ea7302ad390957a8d41ed83faa177e412f89bc5600a7462a014
 -F src/where.c f58d41d0923eeb21cab8e4fc87a0b36c0724ff4f279ce95ab2731b4696b8e75a
 +F src/where.c f8139d355555e305aa5cf40ddf0f94ca606341d5196c6c597a79e6b1f7a173ee
  F src/whereInt.h 8d94cb116c9e06205c3d5ac87af065fc044f8cf08bfdccd94b6ea1c1308e65da
 -F src/wherecode.c 504f3c1270c3ffd51ebcdf7a31de08aa51a63b33a2ccdf8f5736afe3dfa73d45
 +F src/wherecode.c 2917e70e12f7b238285240e564329374f20e4270fe90c36e0d19b6770754a7c4
- F src/whereexpr.c c3ff4d8f1ae5cb9fb41460f9d960b1f519b6115585375790c53833e5642fc1f4
+ F src/whereexpr.c d007dc41364de5902181739632380afd671e14f0c5cc9978e64a2c6df8f28c6c
  F src/window.c d01227141f622f24fbe36ca105fbe6ef023f9fd98f1ccd65da95f88886565db5
  F test/8_3_names.test ebbb5cd36741350040fd28b432ceadf495be25b2
  F test/affinity2.test 4d7a34d328e58ca2a2d78fd76c27614a41ca7ddf4312ded9c68c04f430b3b47d
@@@ -2211,8 -2208,8 +2211,8 @@@ F tool/version-info.c 3b36468a90faf1bbd
  F tool/warnings-clang.sh bbf6a1e685e534c92ec2bfba5b1745f34fb6f0bc2a362850723a9ee87c1b31a7
  F tool/warnings.sh 1ad0169b022b280bcaaf94a7fa231591be96b514230ab5c98fbf15cd7df842dd
  F tool/win/sqlite.vsix deb315d026cc8400325c5863eef847784a219a2f
- P b4e4d148243cfcb09aa0aaca30e83812b42e2780073e55c0e8c6e3da16243dfc
- R 3690d7e51c5bb54cabac58a689eae722
 -P cc8171461bf35f584888a24b844c8b79ad30155b19b61161e9f3abc276e8aae5
 -R dcce4951e27b93fcf8c3ca4486981e14
++P 872c41feddafcc21a02f1229ce017ceea9f8e309a4dd5b6e323477d67f975947 13af4acebe09b047756c22b800136cffaba532e7fcaa448a4edf4fedb94e9bbc
++R bc9dd605b1b6086398bb04180450d2c6
  U drh
- Z c7e5a37e4d84ec49607cdfc27b218111
 -Z 588ae666a6340faba85996112e26e13c
++Z 9c89d6634e2f24fe30079554a53be2d7
  # Remove this line to create a well-formed Fossil manifest.

diff --cc manifest.uuid
index eb7428f2805621f4e0a0e28583e7c26a73676d89,957933770eb6e6689c4e42d29d7becdb077d27ab..7864b0e0316a5d6a280434b07d0cc4913b064605
--- 1/manifest.uuid
--- 2/manifest.uuid
+++ b/manifest.uuid
@@@ -1,1 -1,1 +1,1 @@@
- 872c41feddafcc21a02f1229ce017ceea9f8e309a4dd5b6e323477d67f975947
 -13af4acebe09b047756c22b800136cffaba532e7fcaa448a4edf4fedb94e9bbc
++6f98b16d210a9f5b6ca4b4599e3dab3263eddbae7c70ddbcabf988f4a1014e8b

diff --cc src/btree.c
Simple merge