Bug fixes and enhancements entered while on jury recess. (CVS 2246)

FossilOrigin-Name: 38401dfbd5e3b50dd4e7a11562a7770347cebdf4

manifest

@@ -1,5 +1,5 @@
-C Added\sthe\sSQLITE_OMIT_SUBQUERY\scompile-time\soption\sand\sthe\sEXISTS\soperator.\nRegression\stests\sare\scurrently\sfailing\swith\san\sassertion\sfault.\s(CVS\s2245)
-D 2005-01-20T13:36:20
+C Bug\sfixes\sand\senhancements\sentered\swhile\son\sjury\srecess.\s(CVS\s2246)
+D 2005-01-20T22:48:48
 F Makefile.in ffd81f5e926d40b457071b4de8d7c1fa18f39b5a
 F Makefile.linux-gcc a9e5a0d309fa7c38e7c14d3ecf7690879d3a5457
 F README a01693e454a00cc117967e3f9fdab2d4d52e9bc1
@@ -36,7 +36,7 @@ F src/cursor.c de73c00aefc4747ad59b5105cf38bbff0667922e
 F src/date.c f3d1f5cd1503dabf426a198f3ebef5afbc122a7f
 F src/delete.c b3accca9c38d9a67dbd724f67b04151a13735ebd
 F src/experimental.c 8cc66b2be6a011055d75ef19ed2584bcfbb585ad
-F src/expr.c 12b37893ab7e3a41d1d9e9a4931eeb3690951d1f
+F src/expr.c ebddbcf204b1a286799058731c33f4e382d98f1a
 F src/func.c dc188d862d7276ea897655b248e2cb17022686e3
 F src/hash.c a97721a55440b7bea31ffe471bb2f6b4123cddd5
 F src/hash.h 1b0c445e1c89ff2aaad9b4605ba61375af001e84
@@ -58,7 +58,7 @@ F src/parse.y 301d07db056f5125806e84994b5f41a8355d28ad
 F src/pragma.c 8ab313986673aa4c45e8693d8aabb9b95ee7b14a
 F src/printf.c 3d20b21cfecadacecac3fb7274e746cb81d3d357
 F src/random.c eff68e3f257e05e81eae6c4d50a51eb88beb4ff3
-F src/select.c 8a4a38310c5168d1f6e1759494e57cf838d6d37c
+F src/select.c d8f5c8b44922d9e295a32be941d0a416cda94f98
 F src/shell.c 591364a0e9ca4ce53873e21e0294476c0c2b4770
 F src/sqlite.h.in 8249b697d71ef6d7f7f752ba4ca04058e9e8b5ff
 F src/sqliteInt.h 9a582fcb8333b5a30706250282d9697654305dbc
@@ -73,15 +73,15 @@ F src/tokenize.c 88bef43fe3e3c8865a7447f934296ac13238c4f6
 F src/trigger.c b3de66150300026f21522bb273bbc413a80f427d
 F src/update.c 6e5c6eb660a5508c449c6d637571e24ef13f70a1
 F src/utf.c 9bece2c7b94d9002ab1bb900a7658c6f826b0f74
-F src/util.c 63e8d77659df88b292ac2a9dbd4766419b0ea158
+F src/util.c a858b93ba06bbafab55ba41e4d58538eb51f4b6a
 F src/vacuum.c 1a9db113a027461daaf44724c71dd1ebbd064203
-F src/vdbe.c c5a711f146415634b72b05212bab9f222b0cce26
+F src/vdbe.c 37afd35d6d09cb701f7fd0a959c4cb8aa0432184
 F src/vdbe.h 067ca8d6750ba4f69a50284765e5883dee860181
 F src/vdbeInt.h f2b5f54d9881bbc89fff02d95f3f825ade68bce2
 F src/vdbeapi.c 0cf3bdc1072616bedc8eec7fc22e3f5a169d33fd
-F src/vdbeaux.c 6c294f7390880a7bb4795c9e0bc605b1a416579a
+F src/vdbeaux.c d01eff904aa38fcea738998845b736ec1a3b1f7c
 F src/vdbemem.c 62fe89471b656a922e9879be005abf690509ead3
-F src/where.c 06aa612bd0bc2634a53e541c4ed9874b814e82d1
+F src/where.c f4127cc2633ee0f74790ab7f09f5af832489e44e
 F tclinstaller.tcl 36478c3bbfc5b93ceac42d94e3c736937b808432
 F test/all.test 7f0988442ab811dfa41793b5b550f5828ce316f3
 F test/alter.test 95c57a4f461fa81293e0dccef7f83889aadb169a
@@ -104,7 +104,7 @@ F test/btree4.test 3797b4305694c7af6828675b0f4b1424b8ca30e4
 F test/btree5.test 8e5ff32c02e685d36516c6499add9375fe1377f2
 F test/btree6.test a5ede6bfbbb2ec8b27e62813612c0f28e8f3e027
 F test/btree7.test a6d3b842db22af97dd14b989e90a2fd96066b72f
-F test/capi2.test 325e8d68fe7b3c518f73a37f039c52278be8f101
+F test/capi2.test b0e12aa66684424869f899b421ff71df69411998
 F test/capi3.test ffb8bd785d5fe26e5d63f24c189c45f21297d44f
 F test/capi3b.test 5b6a66f9f295f79f443b5d3f33187fa5ef6cf336
 F test/collate1.test f79736d2ebf5492167ee4d1f4ab4c09dda776b03
@@ -245,7 +245,7 @@ F www/copyright-release.pdf cfca3558fc97095e57c6117d08f1f5b80d95125a
 F www/copyright.tcl 82c9670c7ddb0311912ab7fe24703f33c531066c
 F www/datatype3.tcl 1d14f70ab73075556b95e76a5c13e5b03f7f6c47
 F www/datatypes.tcl 7c786d2e8ff434346764534ec015966d17efce60
-F www/different.tcl 1cdf371794ec04a993be3b3e2c65e1897b789a86
+F www/different.tcl 051086bc273a36808dc08d58ed098611fb53e315
 F www/docs.tcl 09e5eccffad783fe65fac87772f5265e9bb64abe
 F www/download.tcl 4d8ff8c882063b864d004c524e4e7456858f09a5
 F www/dynload.tcl 02eb8273aa78cfa9070dd4501dca937fb22b466c
@@ -269,8 +269,8 @@ F www/support.tcl 3955da0fd82be68cc5c83d347c05095e80967051
 F www/tclsqlite.tcl e73f8f8e5f20e8277619433f7970060ab01088fc
 F www/vdbe.tcl 095f106d93875c94b47367384ebc870517431618
 F www/version3.tcl 092a01f5ef430d2c4acc0ae558d74c4bb89638a0
-F www/whentouse.tcl c3b50d3ac31c54be2a1af9b488a89d22f1e6e746
-P 417bbba93ad7ed5c03d9db6afc12e170155bd152
-R 0a5b2b3342f1338802ba7063dbaea636
+F www/whentouse.tcl 3e522a06ad41992023c80ca29a048ae2331ca5bd
+P d30fdf0f2c24cb74b48fab9b83fba4e4b2fe878a
+R adcab33f79815bf8e13a0ca4e6aa511b
 U drh
-Z 9bd559beb0f6f23bafe4d9cc37e5f07d
+Z 2ea9d8b8d28cb125114230ce2ca3bb86

manifest.uuid

@@ -1 +1 @@
-d30fdf0f2c24cb74b48fab9b83fba4e4b2fe878a
+38401dfbd5e3b50dd4e7a11562a7770347cebdf4

src/expr.c

@@ -12,7 +12,7 @@
 ** This file contains routines used for analyzing expressions and
 ** for generating VDBE code that evaluates expressions in SQLite.
 **
-** $Id: expr.c,v 1.185 2005/01/20 13:36:20 drh Exp $
+** $Id: expr.c,v 1.186 2005/01/20 22:48:48 drh Exp $
 */
 #include "sqliteInt.h"
 #include <ctype.h>
@@ -611,6 +611,10 @@ static int exprNodeIsConstant(void *pArg, Expr *pExpr){
     case TK_DOT:
     case TK_AGG_FUNCTION:
     case TK_FUNCTION:
+#ifndef SQLITE_OMIT_SUBQUERY
+    case TK_SELECT:
+    case TK_EXISTS:
+#endif
       *((int*)pArg) = 0;
       return 2;
     default:
@@ -1534,6 +1538,8 @@ void sqlite3ExprCode(Parse *pParse, Expr *pExpr){
       sqlite3VdbeOp3(v, OP_Function, nExpr, p2, (char*)pDef, P3_FUNCDEF);
       break;
     }
+#ifndef SQLITE_OMIT_SUBQUERY
+    case TK_EXISTS:
     case TK_SELECT: {
       if( pExpr->iTable>=0 ){
         sqlite3VdbeAddOp(v, OP_Gosub, 0, pExpr->iTable);
@@ -1543,6 +1549,7 @@ void sqlite3ExprCode(Parse *pParse, Expr *pExpr){
       VdbeComment((v, "# load subquery result"));
       break;
     }
+#endif
     case TK_IN: {
       int addr;
       char affinity;

src/select.c

@@ -12,7 +12,7 @@
 ** This file contains C code routines that are called by the parser
 ** to handle SELECT statements in SQLite.
 **
-** $Id: select.c,v 1.231 2005/01/20 13:36:20 drh Exp $
+** $Id: select.c,v 1.232 2005/01/20 22:48:48 drh Exp $
 */
 #include "sqliteInt.h"
 
@@ -741,7 +741,7 @@ static void generateColumnNames(
   sqlite3 *db = pParse->db;
   int fullNames, shortNames;
 
-#ifdef SQLITE_OMIT_EXPLAIN
+#ifndef SQLITE_OMIT_EXPLAIN
   /* If this is an EXPLAIN, skip this step */
   if( pParse->explain ){
     return;

src/util.c

@@ -14,7 +14,7 @@
 ** This file contains functions for allocating memory, comparing
 ** strings, and stuff like that.
 **
-** $Id: util.c,v 1.127 2005/01/17 07:53:44 danielk1977 Exp $
+** $Id: util.c,v 1.128 2005/01/20 22:48:48 drh Exp $
 */
 #include "sqliteInt.h"
 #include <stdarg.h>
@@ -800,7 +800,7 @@ int sqlite3SafetyCheck(sqlite3 *db){
 int sqlite3PutVarint(unsigned char *p, u64 v){
   int i, j, n;
   u8 buf[10];
-  if( v & 0xff00000000000000 ){
+  if( v & (((u64)0xff000000)<<32) ){
     p[8] = v;
     v >>= 8;
     for(i=7; i>=0; i--){

src/vdbe.c

@@ -43,7 +43,7 @@
 ** in this file for details.  If in doubt, do not deviate from existing
 ** commenting and indentation practices when changing or adding code.
 **
-** $Id: vdbe.c,v 1.443 2005/01/17 03:40:08 danielk1977 Exp $
+** $Id: vdbe.c,v 1.444 2005/01/20 22:48:48 drh Exp $
 */
 #include "sqliteInt.h"
 #include "os.h"
@@ -2868,6 +2868,13 @@ case OP_NewRecno: {
     cnt = 0;
     assert( (sqlite3BtreeFlags(pC->pCursor) & BTREE_INTKEY)!=0 );
     assert( (sqlite3BtreeFlags(pC->pCursor) & BTREE_ZERODATA)==0 );
+
+    /* Some compilers complain about constants of the form 0x7fffffffffffffff.
+    ** Others complain about 0x7ffffffffffffffffLL.  The following macro seems
+    ** to provide the constant while making all compilers happy.
+    */
+#   define MAX_I64  ( (((u64)0x7fffffff)<<32) | (u64)0xffffffff )
+
     if( !pC->useRandomRowid ){
       if( pC->nextRowidValid ){
         v = pC->nextRowid;
@@ -2878,7 +2885,7 @@ case OP_NewRecno: {
         }else{
           sqlite3BtreeKeySize(pC->pCursor, &v);
           v = keyToInt(v);
-          if( v==0x7fffffffffffffff ){
+          if( v==MAX_I64 ){
             pC->useRandomRowid = 1;
           }else{
             v++;
@@ -2893,7 +2900,7 @@ case OP_NewRecno: {
         pMem = &p->aMem[pOp->p2];
         Integerify(pMem);
         assert( (pMem->flags & MEM_Int)!=0 );  /* mem(P2) holds an integer */
-        if( pMem->i==0x7fffffffffffffff || pC->useRandomRowid ){
+        if( pMem->i==MAX_I64 || pC->useRandomRowid ){
           rc = SQLITE_FULL;
           goto abort_due_to_error;
         }
@@ -2904,7 +2911,7 @@ case OP_NewRecno: {
       }
 #endif
 
-      if( v<0x7fffffffffffffff ){
+      if( v<MAX_I64 ){
         pC->nextRowidValid = 1;
         pC->nextRowid = v+1;
       }else{

src/vdbeaux.c

@@ -1487,13 +1487,14 @@ u32 sqlite3VdbeSerialType(Mem *pMem){
     return 0;
   }
   if( flags&MEM_Int ){
-    /* Figure out whether to use 1, 2, 4 or 8 bytes. */
+    /* Figure out whether to use 1, 2, 4, 6 or 8 bytes. */
+#   define MAX_6BYTE ((((i64)0x00010000)<<32)-1)
     i64 i = pMem->i;
     if( i>=-127 && i<=127 ) return 1;
     if( i>=-32767 && i<=32767 ) return 2;
     if( i>=-8388607 && i<=8388607 ) return 3;
     if( i>=-2147483647 && i<=2147483647 ) return 4;
-    if( i>=-140737488355328L && i<=140737488355328L ) return 5;
+    if( i>=-MAX_6BYTE && i<=MAX_6BYTE ) return 5;
     return 6;
   }
   if( flags&MEM_Real ){

src/where.c

@@ -16,7 +16,7 @@
 ** so is applicable.  Because this module is responsible for selecting
 ** indices, you might also think of this module as the "query optimizer".
 **
-** $Id: where.c,v 1.130 2005/01/19 23:24:51 drh Exp $
+** $Id: where.c,v 1.131 2005/01/20 22:48:48 drh Exp $
 */
 #include "sqliteInt.h"
 
@@ -650,7 +650,6 @@ WhereInfo *sqlite3WhereBegin(
     createMask(&maskSet, pTabList->a[i].iCursor);
   }
   for(pTerm=aExpr, i=0; i<nExpr; i++, pTerm++){
-    TriggerStack *pStack;
     exprAnalyze(pTabList, &maskSet, pTerm);
   }
 

test/capi2.test

@@ -11,7 +11,7 @@
 # This file implements regression tests for SQLite library.  The
 # focus of this script testing the callback-free C/C++ API.
 #
-# $Id: capi2.test,v 1.23 2005/01/12 12:44:04 danielk1977 Exp $
+# $Id: capi2.test,v 1.24 2005/01/20 22:48:48 drh Exp $
 #
 
 set testdir [file dirname $argv0]
@@ -597,6 +597,7 @@ do_test capi2-7.11a {
 
 ifcapable {explain} {
   do_test capi2-7.12 {
+btree_breakpoint
     set x [stepsql $DB {EXPLAIN SELECT * FROM t1}]
     lindex $x 0
   } {0}

www/different.tcl

@@ -1,4 +1,4 @@
-set rcsid {$Id: different.tcl,v 1.1 2005/01/17 03:42:52 drh Exp $}
+set rcsid {$Id: different.tcl,v 1.2 2005/01/20 22:48:49 drh Exp $}
 source common.tcl
 header {Distinctive Features Of SQLite}
 puts {
@@ -28,11 +28,9 @@ feature zeroconfig {Zero-Configuration} {
   <p>
   SQLite just works.
   <p>
-  An SQLite database is an ordinary disk file.  If SQLite can read
-  the disk file then it can read anything in the database.  If the disk
-  file and its directory are writable, then SQLite can change anything
-  in the database.
-
+  Other more familiar database engines run great once you get them going.
+  But doing the initial installation and configuration can be
+  intimidatingly complex.
 }
 
 feature serverless {Serverless} {
@@ -64,12 +62,29 @@ feature serverless {Serverless} {
   allows multiple applications to access the same database at the same time.
 }
 
+feature onefile {Single Database File} {
+  An SQLite database is a single ordinary disk file that can be located
+  anywhere in the directory hierarchy.  If SQLite can read
+  the disk file then it can read anything in the database.  If the disk
+  file and its directory are writable, then SQLite can change anything
+  in the database.   Database files can easily be copied onto a USB
+  memory stick or emailed for sharing.
+  <p>
+  Other SQL database engines tend to store data as a large collection of
+  files.  Often these files are in a standard location that only the
+  database engine itself can access.  This makes the data more secure,
+  but also makes it harder to access.  Some SQL database engines provide
+  the option of writing directly to disk and bypassing the filesystem
+  all together.  This provides added performance, but at the cost of
+  considerable setup and maintenance complexity.
+}
+
 feature small {Compact} {
   When optimized for size, the whole SQLite library with everything enabled
   is less than 220KiB in size (as measured on an ix86 using the "size"
   utility from the GNU compiler suite.)  Unneeded features can be disabled
   at compile-time to further reduce the size of the library to under
-  180KiB if desired.
+  170KiB if desired.
   <p>
   Most other SQL database engines are much larger than this.  IBM boasts
   that it's recently released CloudScape database engine is "only" a 2MiB

www/whentouse.tcl

@@ -1,7 +1,7 @@
 #
 # Run this TCL script to generate HTML for the goals.html file.
 #
-set rcsid {$Id: whentouse.tcl,v 1.3 2005/01/03 01:33:00 drh Exp $}
+set rcsid {$Id: whentouse.tcl,v 1.4 2005/01/20 22:48:49 drh Exp $}
 source common.tcl
 header {Appropriate Uses For SQLite}
 
@@ -14,7 +14,7 @@ primary design goal is to be simple:
 <ul>
 <li>Simple to administer</li>
 <li>Simple to operate</li>
-<li>Simple to use in a program</li>
+<li>Simple to embed in a larger program</li>
 <li>Simple to maintain and customize</li>
 </ul>
 
@@ -34,8 +34,8 @@ achieve simplicity, SQLite has had to sacrifice other characteristics
 that some people find useful, such as high concurrency, fine-grained
 access control, a rich set of built-in functions, stored procedures,
 esoteric SQL language features, XML and/or Java extensions,
-tera- or peta-byte scalability, and so forth.  If you need these
-kinds of features and don't mind the added complexity that they
+tera- or peta-byte scalability, and so forth.  If you need some of these
+latter of features and do not mind the added complexity that they
 bring, then SQLite is probably not the database for you.
 SQLite is not intended to be an enterprise database engine.  It
 not designed to compete with Oracle or PostgreSQL.
@@ -188,7 +188,7 @@ prototyping new, experimental database language features or ideas.
 <ul>
 <li><p><b>Client/Server Applications</b><p>
 
-<p>If you have many client programs access a common database
+<p>If you have many client programs accessing a common database
 over a network, you should consider using a client/server database
 engine instead of SQLite.  SQLite will work over a network filesystem,
 but because of the latency associated with most network filesystems,
@@ -235,7 +235,7 @@ consider using a different database engine.
 SQLite uses reader/writer locks on the entire database file.  That means
 if any process is reading from any part of the database, all other
 processes are prevented from writing any other part of the database.
-Similarly, if any one process is writing to any part of the database,
+Similarly, if any one process is writing to the database,
 all other processes are prevented from reading any other part of the
 database.
 For many situations, this is not a problem.  Each application