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Avoid incorrectly replacing tokens that refer to a column being renamed via an

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alias. For example, do not overwrite "xyz" when "a" is renamed in "CREATE VIEW
v1 AS SELECT a AS xyz FROM tbl WHERE xyz=1"

FossilOrigin-Name: ad072a835f97ff418f5919d94f547ce8afb4fc7c7b590deba41f1e62136a79ac
This commit is contained in:
dan
2018-08-24 16:04:26 +00:00
parent 355f2e02e9
commit 1b0c5de434
5 changed files with 31 additions and 11 deletions
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3
src/alter.c
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@@ -966,7 +966,7 @@ void sqlite3RenameTokenRemap(Parse *pParse, void *pTo, void *pFrom){
break;
}
}
assert( p );
assert( pTo==0 || p );
}
/*
@@ -989,6 +989,7 @@ static void renameTokenFree(sqlite3 *db, RenameToken *pToken){
*/
static void renameTokenFind(Parse *pParse, struct RenameCtx *pCtx, void *pPtr){
RenameToken **pp;
assert( pPtr!=0 );
for(pp=&pParse->pRename; (*pp); pp=&(*pp)->pNext){
if( (*pp)->p==pPtr ){
RenameToken *pToken = *pp;