always use random access mode when opening files (like on Windows) (CVS 4784)

FossilOrigin-Name: 9f4da1013b558fcabadc3a3bec6bcdae9b06399e

diff --git a/manifest b/manifest
index d87aedc6ca4467a47902090f2b1f38c87a53d805..68f3ec81f4502a3125b640a9f41ff180c8e4c4cf 100644 (file)
--- a/manifest
+++ b/manifest
@@ -1,5 +1,5 @@
-C Where\spossible,\savoid\sfreeing\sbuffers\sallocated\sfor\svdbe\smemory\scells\sin\scase\sthey\scan\sbe\sreused.\s(CVS\s4783)
-D 2008-02-13T18:25:27
+C always\suse\srandom\saccess\smode\swhen\sopening\sfiles\s(like\son\sWindows)\s(CVS\s4784)
+D 2008-02-13T23:48:03
 F Makefile.arm-wince-mingw32ce-gcc ac5f7b2cef0cd850d6f755ba6ee4ab961b1fadf7
 F Makefile.in bc2b5df3e3d0d4b801b824b7ef6dec43812b049b
 F Makefile.linux-gcc d53183f4aa6a9192d249731c90dbdffbd2c68654
@@ -117,7 +117,7 @@ F src/mutex_w32.c 6e197765f283815496193e78e9548b5d0e53b68e
 F src/os.c 2f2753b8d33f79d169c43d6bb0b25b3c58fd33de
 F src/os.h d04706d54a072c7a30ab9e346ad916ef28c842d5
 F src/os_common.h 98862f120ca6bf7a48ce8b16f158b77d00bc9d2f
-F src/os_os2.c bf1cd3d4f42c1b1ab059c12732cd9f7be4e718a6
+F src/os_os2.c c87c6501bd90896cfca822a4e4d0ac5a79726833
 F src/os_os2.h c3f7d0af7e3453d1d7aa81b06c0a56f5a226530b
 F src/os_test.c 49833426101f99aee4bb5f6a44b7c4b2029fda1c
 F src/os_test.h 903c93554c23d88f34f667f1979e4a1cee792af3
@@ -617,7 +617,7 @@ F www/tclsqlite.tcl 8be95ee6dba05eabcd27a9d91331c803f2ce2130
 F www/vdbe.tcl 87a31ace769f20d3627a64fa1fade7fed47b90d0
 F www/version3.tcl 890248cf7b70e60c383b0e84d77d5132b3ead42b
 F www/whentouse.tcl fc46eae081251c3c181bd79c5faef8195d7991a5
-P 5ab71c3a79cac04cb2c576f83a62218d05571006
-R c1dd02f73a73bb7e12988703f2d12663
-U danielk1977
-Z 2dff5d02e45b3ba8d57e28cad43b1b4e
+P 990237e27e417aff3dbf05784b716c21f3761a3a
+R 3788206f84973cfe13dcb12194a04a3f
+U pweilbacher
+Z e273b159944d84bb5a06e978a939110a

diff --git a/manifest.uuid b/manifest.uuid
index 6137d5bb895042e5d3e1770a7655468f28c85293..4eca3aa07e0291330d2146f127a14a0217aafb35 100644 (file)
--- a/manifest.uuid
+++ b/manifest.uuid
@@ -1 +1 @@
-990237e27e417aff3dbf05784b716c21f3761a3a
\ No newline at end of file
+9f4da1013b558fcabadc3a3bec6bcdae9b06399e
\ No newline at end of file

diff --git a/src/os_os2.c b/src/os_os2.c
index d5e338246840f2b69e0eed7e4ba638c38b60b6e8..5a5f1fad6204835b9b1706687463bf8099834532 100644 (file)
--- a/src/os_os2.c
+++ b/src/os_os2.c
@@ -641,15 +641,8 @@ static int os2Open(
     OSTRACE1( "OPEN normal file attribute\n" );
   }
 
-  //ulOpenMode |= flags & (SQLITE_OPEN_MAIN_DB | SQLITE_OPEN_TEMP_DB) ?
-  //                  OPEN_FLAGS_RANDOM : OPEN_FLAGS_SEQUENTIAL;
-  if( flags & (SQLITE_OPEN_MAIN_DB | SQLITE_OPEN_TEMP_DB) ){
-    ulOpenMode |= OPEN_FLAGS_RANDOM;
-    OSTRACE1( "OPEN random access\n" );
-  }else{
-    ulOpenMode |= OPEN_FLAGS_SEQUENTIAL;
-    OSTRACE1( "OPEN sequential access\n" );
-  }
+  /* always open in random access mode for possibly better speed */
+  ulOpenMode |= OPEN_FLAGS_RANDOM;
   ulOpenMode |= OPEN_FLAGS_FAIL_ON_ERROR;
 
   rc = DosOpen( (PSZ)zName,