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-rw-r--r--src/build.c14
1 files changed, 10 insertions, 4 deletions
diff --git a/src/build.c b/src/build.c
index 27d7b499d..5495cef18 100644
--- a/src/build.c
+++ b/src/build.c
@@ -5137,16 +5137,22 @@ void sqlite3SrcListIndexedBy(Parse *pParse, SrcList *p, Token *pIndexedBy){
** are deleted by this function.
*/
SrcList *sqlite3SrcListAppendList(Parse *pParse, SrcList *p1, SrcList *p2){
- assert( p1 && p1->nSrc==1 );
+ assert( p1 );
+ assert( p2 || pParse->nErr );
+ assert( p2==0 || p2->nSrc>=1 );
+ testcase( p1->nSrc==0 );
if( p2 ){
- SrcList *pNew = sqlite3SrcListEnlarge(pParse, p1, p2->nSrc, 1);
+ int nOld = p1->nSrc;
+ SrcList *pNew = sqlite3SrcListEnlarge(pParse, p1, p2->nSrc, nOld);
if( pNew==0 ){
sqlite3SrcListDelete(pParse->db, p2);
}else{
p1 = pNew;
- memcpy(&p1->a[1], p2->a, p2->nSrc*sizeof(SrcItem));
+ memcpy(&p1->a[nOld], p2->a, p2->nSrc*sizeof(SrcItem));
+ assert( nOld==1 || (p2->a[0].fg.jointype & JT_LTORJ)==0 );
+ assert( p1->nSrc>=1 );
+ p1->a[0].fg.jointype |= (JT_LTORJ & p2->a[0].fg.jointype);
sqlite3DbFree(pParse->db, p2);
- p1->a[0].fg.jointype |= (JT_LTORJ & p1->a[1].fg.jointype);
}
}
return p1;