Check-in [da9124fee28c155c] broken the new SQLITE_IOCAP_SUBPAGE_READ mechanism

for inhibiting direct-overflow-read.  This check-in fixes the problem.

FossilOrigin-Name: 113078d555eaf740666680562ebbb04f7d823b72e8b2d553627e54ab3d7bf653

diff --git a/manifest b/manifest
index 611f9cccdaf0e6ead12cbba9447fab43bf6317fa..1ccac6a46a9beebad60d3c96b7913d18f2d823c1 100644 (file)
--- a/manifest
+++ b/manifest
@@ -1,5 +1,5 @@
-C Teach\stool/stripccomments.c\sthat\sa\sbackslash\simmediately\spreceeding\sa\sforward\sslash\smeans\sthat\sthat\sforward\sslash\scannot\sbe\sthe\sstart\sof\sa\scomment.\sThis\sis\sintended\sto\sallow\sJavaScript\sregular\sexpressions\scontaining\s\\/*\s(like\s[https://github.com/emscripten-core/emscripten/issues/23412|the\sone\sintroduced\sin\semsdk\s4.0.0])\sto\spass\sthrough\sproperly.\sRe-enable\scomment-stripping\sin\sthe\sJS\sdist\sbuilds.
-D 2025-01-15T21:09:19.736
+C Check-in\s[da9124fee28c155c]\sbroken\sthe\snew\sSQLITE_IOCAP_SUBPAGE_READ\smechanism\nfor\sinhibiting\sdirect-overflow-read.\s\sThis\scheck-in\sfixes\sthe\sproblem.
+D 2025-01-15T21:13:38.465
 F .fossil-settings/empty-dirs dbb81e8fc0401ac46a1491ab34a7f2c7c0452f2f06b54ebb845d024ca8283ef1
 F .fossil-settings/ignore-glob 35175cdfcf539b2318cb04a9901442804be81cd677d8b889fcc9149c21f239ea
 F LICENSE.md e108e1e69ae8e8a59e93c455654b8ac9356a11720d3345df2a4743e9590fb20d
@@ -765,7 +765,7 @@ F src/os_setup.h 6011ad7af5db4e05155f385eb3a9b4470688de6f65d6166b8956e58a3d87210
 F src/os_unix.c d2edbd92b07a3f778c2defa8a2e9d75acceb6267bda56948c41e8cdda65224d6
 F src/os_win.c 49c7725b500f5867e8360e75eeb30f9d70b62fa1f05c8a101da627210578df32
 F src/os_win.h 7b073010f1451abe501be30d12f6bc599824944a
-F src/pager.c 2fdd489447aa6bb0f672973bacb801ced92225ca9a1c874ed9b856d2741dc54e
+F src/pager.c 3a1c4e7f69af482e33c8cba8a75afe0dda0ea6391240adac22b040ce1bdeef44
 F src/pager.h 6137149346e6c8a3ddc1eeb40aee46381e9bc8b0fcc6dda8a1efde993c2275b8
 F src/parse.y dcf45a81b61223ac93e61fdfe9b22d635dd371c446e8222634d90aa37e25e5f6
 F src/pcache.c 588cc3c5ccaaadde689ed35ce5c5c891a1f7b1f4d1f56f6cf0143b74d8ee6484
@@ -2205,8 +2205,8 @@ F tool/version-info.c 3b36468a90faf1bbd59c65fd0eb66522d9f941eedd364fabccd7227350
 F tool/warnings-clang.sh bbf6a1e685e534c92ec2bfba5b1745f34fb6f0bc2a362850723a9ee87c1b31a7
 F tool/warnings.sh 49a486c5069de041aedcbde4de178293e0463ae9918ecad7539eedf0ec77a139
 F tool/win/sqlite.vsix deb315d026cc8400325c5863eef847784a219a2f
-P 00a750184bcf1a94bf4e7f1d5029a42671e87e2997ae97be07bd900d3702883d
-R 1dd6d511f4cfda5dc1ec4a63bbc6ac95
-U stephan
-Z 602290f471545d4fbdf4261f6ac0243b
+P db21d6cc9d1c425deffc0e4e92173caf586e6ac66110c71a4930b21e3e7f84b9
+R c4c1c248146b8316d21d4d01771a3b12
+U drh
+Z 22739ec3697956e07bb55a68cf1c833f
 # Remove this line to create a well-formed Fossil manifest.

diff --git a/manifest.uuid b/manifest.uuid
index 0a601b281b00ae73a2087e2ca175fd999d4025e2..468e020a54ecac77810a31d1f0cd7104664ad6ff 100644 (file)
--- a/manifest.uuid
+++ b/manifest.uuid
@@ -1 +1 @@
-db21d6cc9d1c425deffc0e4e92173caf586e6ac66110c71a4930b21e3e7f84b9
+113078d555eaf740666680562ebbb04f7d823b72e8b2d553627e54ab3d7bf653

diff --git a/src/pager.c b/src/pager.c
index e2dbbeae3f862df6b48654c7f2970058cb9c0ab3..ecec892b45cead9775c30e1b901c0fd124f682d7 100644 (file)
--- a/src/pager.c
+++ b/src/pager.c
@@ -808,7 +808,7 @@ int sqlite3PagerDirectReadOk(Pager *pPager, Pgno pgno){
   if( pPager->pWal ){
     u32 iRead = 0;
     (void)sqlite3WalFindFrame(pPager->pWal, pgno, &iRead);
-    return iRead==0; /* Condition (4) */
+    if( iRead ) return 0;  /* Case (4) */
   }
 #endif
   assert( pPager->fd->pMethods->xDeviceCharacteristics!=0 );