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A bug report coming from from Firefox

Browse Source 
([https://bugzilla.mozilla.org/show_bug.cgi?id=840377])
describes an infinite recursion.  We are unable to reproduce the problem.
Nevertheless, this check-in should prevent the problem from ever occurring
again.

FossilOrigin-Name: b7222a2bd035e7a32dc9416b25a488d9d017aad1
This commit is contained in:
drh
2013-02-12 22:09:48 +00:00
parent a173eab75f
commit 785097da6b
3 changed files with 11 additions and 9 deletions
Download Patch File Download Diff File Expand all files Collapse all files

12
manifest
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@@ -1,5 +1,5 @@
C Add\sextended\serror\scodes\sfor\sall\sSQLITE_CONSTRAINT\serrors.
D 2013-02-11T13:47:39.039
C A\sbug\sreport\scoming\sfrom\sfrom\sFirefox\s\n([https://bugzilla.mozilla.org/show_bug.cgi?id=840377])\ndescribes\san\sinfinite\srecursion.\s\sWe\sare\sunable\sto\sreproduce\sthe\sproblem.\nNevertheless,\sthis\scheck-in\sshould\sprevent\sthe\sproblem\sfrom\sever\soccurring\nagain.
D 2013-02-12T22:09:48.258
F Makefile.arm-wince-mingw32ce-gcc d6df77f1f48d690bd73162294bbba7f59507c72f
F Makefile.in a48faa9e7dd7d556d84f5456eabe5825dd8a6282
F Makefile.linux-gcc 91d710bdc4998cb015f39edf3cb314ec4f4d7e23
@@ -174,7 +174,7 @@ F src/printf.c 4a9f882f1c1787a8b494a2987765acf9d97ac21f
F src/random.c cd4a67b3953b88019f8cd4ccd81394a8ddfaba50
F src/resolve.c 652ae6dc0f185b01b4536bb2fa7d878f13f0f1df
F src/rowset.c 64655f1a627c9c212d9ab497899e7424a34222e0
F src/select.c 741c623c70c09b5fbe55d8ae6413d9215c1dedbf
F src/select.c 7818b5c9b497499d8bd8c6d0e347a3cf67724867
F src/shell.c 266791241d7add796ccce2317977ae6c3c67d77f
F src/sqlite.h.in 6296506a8fba279d8fa31f4abf01ab0cc92738a6
F src/sqlite3.rc fea433eb0a59f4c9393c8e6d76a6e2596b1fe0c0
@@ -1034,7 +1034,7 @@ F tool/vdbe-compress.tcl f12c884766bd14277f4fcedcae07078011717381
F tool/warnings-clang.sh f6aa929dc20ef1f856af04a730772f59283631d4
F tool/warnings.sh fbc018d67fd7395f440c28f33ef0f94420226381
F tool/win/sqlite.vsix 97894c2790eda7b5bce3cc79cb2a8ec2fde9b3ac
P 4a7b4ee011fea911b981206c242e3d5553303b52 3f67437536591a1b0742a25b983707933aaa16d5
R 3e5bf93d528119a300b3cfbe9643fae2
P 939d8282748b00a7032cdd72e5d3bf3086ebfc97
R 315866cdde25bff040d2fc0949d76051
U drh
Z 3a7fd1a084dac5a1a2f87b7b22126c80
Z 1ea5eb7aafa433a1482988aad7ac5a55

2
manifest.uuid
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@@ -1 +1 @@
939d8282748b00a7032cdd72e5d3bf3086ebfc97
b7222a2bd035e7a32dc9416b25a488d9d017aad1

6
src/select.c
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@@ -3298,14 +3298,15 @@ static int selectExpander(Walker *pWalker, Select *p){
struct SrcList_item *pFrom;
sqlite3 *db = pParse->db;
Expr *pE, *pRight, *pExpr;
u16 selFlags = p->selFlags;
p->selFlags |= SF_Expanded;
if( db->mallocFailed ){
return WRC_Abort;
}
if( NEVER(p->pSrc==0) || (p->selFlags & SF_Expanded)!=0 ){
if( NEVER(p->pSrc==0) || (selFlags & SF_Expanded)!=0 ){
return WRC_Prune;
}
p->selFlags |= SF_Expanded;
pTabList = p->pSrc;
pEList = p->pEList;
@@ -3666,6 +3667,7 @@ void sqlite3SelectPrep(
sqlite3 *db;
if( NEVER(p==0) ) return;
db = pParse->db;
if( db->mallocFailed ) return;
if( p->selFlags & SF_HasTypeInfo ) return;
sqlite3SelectExpand(pParse, p);
if( pParse->nErr || db->mallocFailed ) return;