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When SQLITE_MAX_SQL_LENGTH is 0, disable the limit. Make the default 0.

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Once again build the sqlite3 CLI from individual source files so that
it can be built on systems that lack tclsh.  Tickets #2845 and #2846. (CVS 4636)

FossilOrigin-Name: 07aeca3b9c51e538ba7939950a970f62e51bd3ea
This commit is contained in:
drh 2007-12-17 16:20:06 +00:00
parent 92e3e09467
commit cbd2da9ce9
8 changed files with 61 additions and 46 deletions
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9
Makefile.in
View File

@ -317,18 +317,11 @@ libtclsqlite3.la: tclsqlite.lo libsqlite3.la
-rpath $(libdir)/sqlite \ -rpath $(libdir)/sqlite \
-version-info "8:6:8" -version-info "8:6:8"
testcli$(TEXE): $(TOP)/src/shell.c libsqlite3.la sqlite3.h sqlite3$(TEXE): $(TOP)/src/shell.c libsqlite3.la sqlite3.h
$(LTLINK) $(READLINE_FLAGS) $(LIBPTHREAD) \ $(LTLINK) $(READLINE_FLAGS) $(LIBPTHREAD) \
-o $@ $(TOP)/src/shell.c libsqlite3.la \ -o $@ $(TOP)/src/shell.c libsqlite3.la \
$(LIBREADLINE) $(TLIBS) $(LIBREADLINE) $(TLIBS)
sqlite3$(EXE): $(TOP)/src/shell.c sqlite3.c sqlite3.h
$(LTLINK) $(READLINE_FLAGS) -o $@ \
-DSQLITE_MAX_SQL_LENGTH=1000000000 \
-USQLITE_THREADSAFE -DSQLITE_THREADSAFE=0 \
$(TOP)/src/shell.c sqlite3.c \
$(LIBREADLINE) $(TLIBS) $(THREADLIB)
# This target creates a directory named "tsrc" and fills it with # This target creates a directory named "tsrc" and fills it with
# copies of all of the C source code and header files needed to # copies of all of the C source code and header files needed to
# build on the target system. Some of the C source code and header # build on the target system. Some of the C source code and header

9
main.mk
View File

@ -277,18 +277,11 @@ libsqlite3.a: $(LIBOBJ)
$(AR) libsqlite3.a $(LIBOBJ) $(AR) libsqlite3.a $(LIBOBJ)
$(RANLIB) libsqlite3.a $(RANLIB) libsqlite3.a
testcli$(EXE): $(TOP)/src/shell.c libsqlite3.a sqlite3.h sqlite3$(EXE): $(TOP)/src/shell.c libsqlite3.a sqlite3.h
$(TCCX) $(READLINE_FLAGS) -o testcli$(EXE) \ $(TCCX) $(READLINE_FLAGS) -o testcli$(EXE) \
$(TOP)/src/shell.c \ $(TOP)/src/shell.c \
libsqlite3.a $(LIBREADLINE) $(TLIBS) $(THREADLIB) libsqlite3.a $(LIBREADLINE) $(TLIBS) $(THREADLIB)
sqlite3$(EXE): $(TOP)/src/shell.c sqlite3.c sqlite3.h
$(TCCX) $(READLINE_FLAGS) -o sqlite3$(EXE) \
-DSQLITE_MAX_SQL_LENGTH=1000000000 \
-USQLITE_THREADSAFE -DSQLITE_THREADSAFE=0 \
$(TOP)/src/shell.c sqlite3.c \
$(LIBREADLINE) $(TLIBS) $(THREADLIB)
objects: $(LIBOBJ_ORIG) objects: $(LIBOBJ_ORIG)
# This target creates a directory named "tsrc" and fills it with # This target creates a directory named "tsrc" and fills it with

22
manifest
View File

@ -1,7 +1,7 @@
C Version\s3.5.4\s(CVS\s4635) C When\sSQLITE_MAX_SQL_LENGTH\sis\s0,\sdisable\sthe\slimit.\s\sMake\sthe\sdefault\s0.\nOnce\sagain\sbuild\sthe\ssqlite3\sCLI\sfrom\sindividual\ssource\sfiles\sso\sthat\nit\scan\sbe\sbuilt\son\ssystems\sthat\slack\stclsh.\s\sTickets\s#2845\sand\s#2846.\s(CVS\s4636)
D 2007-12-14T17:39:24 D 2007-12-17T16:20:07
F Makefile.arm-wince-mingw32ce-gcc ac5f7b2cef0cd850d6f755ba6ee4ab961b1fadf7 F Makefile.arm-wince-mingw32ce-gcc ac5f7b2cef0cd850d6f755ba6ee4ab961b1fadf7
F Makefile.in e66cf1239b8009b073156b36f92e68657d4755da F Makefile.in 30789bf70614bad659351660d76b8e533f3340e9
F Makefile.linux-gcc d53183f4aa6a9192d249731c90dbdffbd2c68654 F Makefile.linux-gcc d53183f4aa6a9192d249731c90dbdffbd2c68654
F README 9c4e2d6706bdcc3efdd773ce752a8cdab4f90028 F README 9c4e2d6706bdcc3efdd773ce752a8cdab4f90028
F VERSION 6055d543dbd832b5c0209d6cc787413c1814efdc F VERSION 6055d543dbd832b5c0209d6cc787413c1814efdc
@ -64,7 +64,7 @@ F ext/icu/README.txt 3b130aa66e7a681136f6add198b076a2f90d1e33
F ext/icu/icu.c 12e763d288d23b5a49de37caa30737b971a2f1e2 F ext/icu/icu.c 12e763d288d23b5a49de37caa30737b971a2f1e2
F install-sh 9d4de14ab9fb0facae2f48780b874848cbf2f895 F install-sh 9d4de14ab9fb0facae2f48780b874848cbf2f895
F ltmain.sh 56abb507100ed2d4261f6dd1653dec3cf4066387 F ltmain.sh 56abb507100ed2d4261f6dd1653dec3cf4066387
F main.mk c7c4fa7703f650f5191dd8d8817c2c6c08144257 F main.mk 90104c59b05cd2d907613533f982cf57d012df3e
F mkdll.sh 5f8438dcac98e795d7df6529159a1ec566de0183 F mkdll.sh 5f8438dcac98e795d7df6529159a1ec566de0183
F mkextu.sh 416f9b7089d80e5590a29692c9d9280a10dbad9f F mkextu.sh 416f9b7089d80e5590a29692c9d9280a10dbad9f
F mkextw.sh 1a866b53637dab137191341cc875575a5ca110fb F mkextw.sh 1a866b53637dab137191341cc875575a5ca110fb
@ -137,7 +137,7 @@ F src/shell.c c97be281cfc3dcb14902f45e4b16f20038eb83ff
F src/sqlite.h.in 2a7e3776534bbe6ff2cdc058f3abebe91e7e429f F src/sqlite.h.in 2a7e3776534bbe6ff2cdc058f3abebe91e7e429f
F src/sqlite3ext.h a93f59cdee3638dc0c9c086f80df743a4e68c3cb F src/sqlite3ext.h a93f59cdee3638dc0c9c086f80df743a4e68c3cb
F src/sqliteInt.h 445530263725d19d6315f137f234aea08ad59303 F src/sqliteInt.h 445530263725d19d6315f137f234aea08ad59303
F src/sqliteLimit.h e9831389adb60e1d6091d75a4c37322c1efa1684 F src/sqliteLimit.h ee4430f88f69bf63527967bb35ca52af7b0ccb1e
F src/table.c 1aeb9eab57b4235db86fe15a35dec76fb445a9c4 F src/table.c 1aeb9eab57b4235db86fe15a35dec76fb445a9c4
F src/tclsqlite.c 9923abeffc9b3d7dad58e92b319661521f60debf F src/tclsqlite.c 9923abeffc9b3d7dad58e92b319661521f60debf
F src/test1.c 537fea45996bd33d4885c3c1f53761da14011e9b F src/test1.c 537fea45996bd33d4885c3c1f53761da14011e9b
@ -162,13 +162,13 @@ F src/test_schema.c 12c9de7661d6294eec2d57afbb52e2af1128084f
F src/test_server.c a6ece6c835e7eae835054124e09e947e422b1ac5 F src/test_server.c a6ece6c835e7eae835054124e09e947e422b1ac5
F src/test_tclvar.c b2d1115e4d489179d3f029e765211b2ad527ba59 F src/test_tclvar.c b2d1115e4d489179d3f029e765211b2ad527ba59
F src/test_thread.c e297dd41db0b249646e69f97d36ec13e56e8b730 F src/test_thread.c e297dd41db0b249646e69f97d36ec13e56e8b730
F src/tokenize.c 67e42600ab34f976f2b1288c499ad6c98d652f0e F src/tokenize.c a4e04438c11fed2c67ec47fe3edbef9cca2d1b48
F src/trigger.c 66695e1375b969ea41a38dec9f40ea28bb0ac767 F src/trigger.c 66695e1375b969ea41a38dec9f40ea28bb0ac767
F src/update.c 57c07b63410cdd3d14888e33439aa1955a3514c1 F src/update.c 57c07b63410cdd3d14888e33439aa1955a3514c1
F src/utf.c ef4b7d83bae533b76c3e1bf635b113fdad86a736 F src/utf.c ef4b7d83bae533b76c3e1bf635b113fdad86a736
F src/util.c 05f31144bbd3f1a24f4139ae029c42545cb72624 F src/util.c 05f31144bbd3f1a24f4139ae029c42545cb72624
F src/vacuum.c 25ffbd766f25bca099ead1c1e11f5528c86102b8 F src/vacuum.c 25ffbd766f25bca099ead1c1e11f5528c86102b8
F src/vdbe.c cd669cd873e12ec248469b834d183a17bc84491d F src/vdbe.c b2f1bcd4b9c9db31dbd79f387139d6740627fa8c
F src/vdbe.h 79e09ff13b85457abe437d9814454534ebbc1fe3 F src/vdbe.h 79e09ff13b85457abe437d9814454534ebbc1fe3
F src/vdbeInt.h 630145b9bfaa19190ab491f52658a7db550f2247 F src/vdbeInt.h 630145b9bfaa19190ab491f52658a7db550f2247
F src/vdbeapi.c dd2c43317294e0a013e9f634ee4209a3ea459b43 F src/vdbeapi.c dd2c43317294e0a013e9f634ee4209a3ea459b43
@ -432,7 +432,7 @@ F test/speed1.test 22e1b27af0683ed44dcd2f93ed817a9c3e65084a
F test/speed2.test 53177056baf6556dcbdcf032bbdfc41c1aa74ded F test/speed2.test 53177056baf6556dcbdcf032bbdfc41c1aa74ded
F test/speed3.test e312d7e442a5047d730569fdae2ba99bc94e1a13 F test/speed3.test e312d7e442a5047d730569fdae2ba99bc94e1a13
F test/speed4.test 20d8ea20bea3ca09c3ef3b5ec820a17e58e132cb F test/speed4.test 20d8ea20bea3ca09c3ef3b5ec820a17e58e132cb
F test/sqllimits1.test e7a6c34f6915c334a66db8065484d686dbabece0 F test/sqllimits1.test ede9874fc0ffbfa1ebfbc84cbe5d283cfa00f772
F test/subquery.test 8203f85db56ba022a57a0589890090c8feed4e59 F test/subquery.test 8203f85db56ba022a57a0589890090c8feed4e59
F test/subselect.test 974e87f8fc91c5f00dd565316d396a5a6c3106c4 F test/subselect.test 974e87f8fc91c5f00dd565316d396a5a6c3106c4
F test/substr.test 4be572ac017143e59b4058dc75c91a0d0dc6d4e0 F test/substr.test 4be572ac017143e59b4058dc75c91a0d0dc6d4e0
@ -600,7 +600,7 @@ F www/tclsqlite.tcl 8be95ee6dba05eabcd27a9d91331c803f2ce2130
F www/vdbe.tcl 87a31ace769f20d3627a64fa1fade7fed47b90d0 F www/vdbe.tcl 87a31ace769f20d3627a64fa1fade7fed47b90d0
F www/version3.tcl 890248cf7b70e60c383b0e84d77d5132b3ead42b F www/version3.tcl 890248cf7b70e60c383b0e84d77d5132b3ead42b
F www/whentouse.tcl fc46eae081251c3c181bd79c5faef8195d7991a5 F www/whentouse.tcl fc46eae081251c3c181bd79c5faef8195d7991a5
P 5c653bfc7ffafcd3572d399aba05e39ea839068a P cf4a11b2a8afcbc9cdcf5fa907ddb9865847ed11
R ff47409f2a9a3518644e7f89b8fb52de R 2fb1f868f422a022f8eefcb02651a201
U drh U drh
Z 41bedfa8d554f94c72f67c2e02cbe860 Z 786f0cda535230caba90f27262a5a98a

2
manifest.uuid
View File

@ -1 +1 @@
cf4a11b2a8afcbc9cdcf5fa907ddb9865847ed11 07aeca3b9c51e538ba7939950a970f62e51bd3ea

6
src/sqliteLimit.h
View File

@ -12,7 +12,7 @@
** **
** This file defines various limits of what SQLite can process. ** This file defines various limits of what SQLite can process.
** **
** @(#) $Id: sqliteLimit.h,v 1.5 2007/12/13 21:54:11 drh Exp $ ** @(#) $Id: sqliteLimit.h,v 1.6 2007/12/17 16:20:07 drh Exp $
*/ */
/* /*
@ -49,10 +49,10 @@
/* /*
** The maximum length of a single SQL statement in bytes. ** The maximum length of a single SQL statement in bytes.
** The hard limit is 1 million. ** A value of zero means there is no limit.
*/ */
#ifndef SQLITE_MAX_SQL_LENGTH #ifndef SQLITE_MAX_SQL_LENGTH
# define SQLITE_MAX_SQL_LENGTH 1000000 # define SQLITE_MAX_SQL_LENGTH 0
#endif #endif
/* /*

4
src/tokenize.c
View File

@ -15,7 +15,7 @@
** individual tokens and sends those tokens one-by-one over to the ** individual tokens and sends those tokens one-by-one over to the
** parser for analysis. ** parser for analysis.
** **
** $Id: tokenize.c,v 1.136 2007/08/27 23:26:59 drh Exp $ ** $Id: tokenize.c,v 1.137 2007/12/17 16:20:07 drh Exp $
*/ */
#include "sqliteInt.h" #include "sqliteInt.h"
#include <ctype.h> #include <ctype.h>
@ -418,7 +418,7 @@ int sqlite3RunParser(Parse *pParse, const char *zSql, char **pzErrMsg){
assert( pParse->sLastToken.dyn==0 ); assert( pParse->sLastToken.dyn==0 );
pParse->sLastToken.n = getToken((unsigned char*)&zSql[i],&tokenType); pParse->sLastToken.n = getToken((unsigned char*)&zSql[i],&tokenType);
i += pParse->sLastToken.n; i += pParse->sLastToken.n;
if( i>SQLITE_MAX_SQL_LENGTH ){ if( SQLITE_MAX_SQL_LENGTH>0 && i>SQLITE_MAX_SQL_LENGTH ){
pParse->rc = SQLITE_TOOBIG; pParse->rc = SQLITE_TOOBIG;
break; break;
} }

21
src/vdbe.c
View File

@ -43,7 +43,7 @@
** in this file for details. If in doubt, do not deviate from existing ** in this file for details. If in doubt, do not deviate from existing
** commenting and indentation practices when changing or adding code. ** commenting and indentation practices when changing or adding code.
** **
** $Id: vdbe.c,v 1.660 2007/12/13 21:54:11 drh Exp $ ** $Id: vdbe.c,v 1.661 2007/12/17 16:20:07 drh Exp $
*/ */
#include "sqliteInt.h" #include "sqliteInt.h"
#include <ctype.h> #include <ctype.h>
@ -760,8 +760,6 @@ case OP_String8: { /* same as TK_STRING */
assert( pOp->p3!=0 ); assert( pOp->p3!=0 );
pOp->opcode = OP_String; pOp->opcode = OP_String;
pOp->p1 = strlen(pOp->p3); pOp->p1 = strlen(pOp->p3);
assert( SQLITE_MAX_SQL_LENGTH <= SQLITE_MAX_LENGTH );
assert( pOp->p1 <= SQLITE_MAX_LENGTH );
#ifndef SQLITE_OMIT_UTF16 #ifndef SQLITE_OMIT_UTF16
if( encoding!=SQLITE_UTF8 ){ if( encoding!=SQLITE_UTF8 ){
@ -777,11 +775,16 @@ case OP_String8: { /* same as TK_STRING */
pOp->p3type = P3_DYNAMIC; pOp->p3type = P3_DYNAMIC;
pOp->p3 = pTos->z; pOp->p3 = pTos->z;
pOp->p1 = pTos->n; pOp->p1 = pTos->n;
assert( pOp->p1 <= SQLITE_MAX_LENGTH ); /* Due to SQLITE_MAX_SQL_LENGTH */ if( pOp->p1>SQLITE_MAX_LENGTH ){
goto too_big;
}
break; break;
} }
#endif #endif
/* Otherwise fall through to the next case, OP_String */ if( pOp->p1>SQLITE_MAX_LENGTH ){
goto too_big;
}
/* Fall through to the next case, OP_String */
} }
/* Opcode: String P1 * P3 /* Opcode: String P1 * P3
@ -789,7 +792,6 @@ case OP_String8: { /* same as TK_STRING */
** The string value P3 of length P1 (bytes) is pushed onto the stack. ** The string value P3 of length P1 (bytes) is pushed onto the stack.
*/ */
case OP_String: { case OP_String: {
assert( pOp->p1 <= SQLITE_MAX_LENGTH ); /* Due to SQLITE_MAX_SQL_LENGTH */
pTos++; pTos++;
assert( pOp->p3!=0 ); assert( pOp->p3!=0 );
pTos->flags = MEM_Str|MEM_Static|MEM_Term; pTos->flags = MEM_Str|MEM_Static|MEM_Term;
@ -823,8 +825,9 @@ case OP_Null: {
case OP_HexBlob: { /* same as TK_BLOB */ case OP_HexBlob: { /* same as TK_BLOB */
pOp->opcode = OP_Blob; pOp->opcode = OP_Blob;
pOp->p1 = strlen(pOp->p3)/2; pOp->p1 = strlen(pOp->p3)/2;
assert( SQLITE_MAX_SQL_LENGTH <= SQLITE_MAX_LENGTH ); if( pOp->p1>SQLITE_MAX_LENGTH ){
assert( pOp->p1 <= SQLITE_MAX_LENGTH ); goto too_big;
}
if( pOp->p1 ){ if( pOp->p1 ){
char *zBlob = sqlite3HexToBlob(db, pOp->p3); char *zBlob = sqlite3HexToBlob(db, pOp->p3);
if( !zBlob ) goto no_mem; if( !zBlob ) goto no_mem;
@ -855,7 +858,7 @@ case OP_HexBlob: { /* same as TK_BLOB */
*/ */
case OP_Blob: { case OP_Blob: {
pTos++; pTos++;
assert( pOp->p1 <= SQLITE_MAX_LENGTH ); /* Due to SQLITE_MAX_SQL_LENGTH */ assert( pOp->p1 <= SQLITE_MAX_LENGTH );
sqlite3VdbeMemSetStr(pTos, pOp->p3, pOp->p1, 0, 0); sqlite3VdbeMemSetStr(pTos, pOp->p3, pOp->p1, 0, 0);
pTos->enc = encoding; pTos->enc = encoding;
break; break;

32
test/sqllimits1.test
View File

@ -12,7 +12,7 @@
# This file contains tests to verify that the limits defined in # This file contains tests to verify that the limits defined in
# sqlite source file limits.h are enforced. # sqlite source file limits.h are enforced.
# #
# $Id: sqllimits1.test,v 1.20 2007/11/28 22:36:41 drh Exp $ # $Id: sqllimits1.test,v 1.21 2007/12/17 16:20:07 drh Exp $
set testdir [file dirname $argv0] set testdir [file dirname $argv0]
source $testdir/tester.tcl source $testdir/tester.tcl
@ -141,16 +141,42 @@ do_test sqllimits-1.15 {
} {1 {string or blob too big}} } {1 {string or blob too big}}
db eval {DROP TABLE t4} db eval {DROP TABLE t4}
set ::SQLITE_MAX_SQL_LENGTH 0
set strvalue [string repeat A $::SQLITE_MAX_LENGTH]
do_test sqllimits-1.16 {
catchsql "SELECT '$strvalue'"
} [list 0 $strvalue]
do_test sqllimits-1.17 {
catchsql "SELECT 'A$strvalue'"
} [list 1 {string or blob too big}]
set blobvalue [string repeat 41 $::SQLITE_MAX_LENGTH]
do_test sqllimits-1.18 {
catchsql "SELECT x'$blobvalue'"
} [list 0 $strvalue]
do_test sqllimits-1.19 {
catchsql "SELECT '41$blobvalue'"
} [list 1 {string or blob too big}]
unset strvalue
unset blobvalue
#-------------------------------------------------------------------- #--------------------------------------------------------------------
# Test cases sqllimits-2.* test that the SQLITE_MAX_SQL_LENGTH limit # Test cases sqllimits-2.* test that the SQLITE_MAX_SQL_LENGTH limit
# is enforced. # is enforced.
# #
do_test sqllimits-2.1 { do_test sqllimits-2.1 {
set ::SQLITE_MAX_SQL_LENGTH 50000
set sql "SELECT 1 WHERE 1==1" set sql "SELECT 1 WHERE 1==1"
set N [expr {$::SQLITE_MAX_SQL_LENGTH / [string length " AND 1==1"]}] set tail " /* A comment to take up space in order to make the string\
append sql [string repeat " AND 1==1" $N] longer without increasing the expression depth */\
AND 1 == 1"
set N [expr {($::SQLITE_MAX_SQL_LENGTH / [string length $tail])+1}]
append sql [string repeat $tail $N]
catchsql $sql catchsql $sql
} {1 {String or BLOB exceeded size limit}} } {1 {String or BLOB exceeded size limit}}
do_test sqllimits-2.2 {
set ::SQLITE_MAX_SQL_LENGTH 0
catchsql $sql
} {0 1}
#-------------------------------------------------------------------- #--------------------------------------------------------------------
# Test cases sqllimits-3.* test that the limit set using the # Test cases sqllimits-3.* test that the limit set using the