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Raise an error if the argument to VACUUM INTO is an identifier.

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FossilOrigin-Name: 6c6fb1c6ea452c70b56fd4ac796affebee21512adba0455ae81c291b715f544f
This commit is contained in:
drh
2019-01-02 14:34:46 +00:00
parent 9b0da8319c
commit ee751fab4c
6 changed files with 40 additions and 28 deletions
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39
src/resolve.c
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@@ -1662,36 +1662,45 @@ void sqlite3ResolveSelectNames(
}
/*
** Resolve names in expressions that can only reference a single table:
** Resolve names in expressions that can only reference a single table
** or which cannot reference any tables at all. Examples:
**
** * CHECK constraints
** * WHERE clauses on partial indices
** (1) CHECK constraints
** (2) WHERE clauses on partial indices
** (3) Expressions in indexes on expressions
** (4) Expression arguments to VACUUM INTO.
**
** The Expr.iTable value for Expr.op==TK_COLUMN nodes of the expression
** is set to -1 and the Expr.iColumn value is set to the column number.
** In all cases except (4), the Expr.iTable value for Expr.op==TK_COLUMN
** nodes of the expression is set to -1 and the Expr.iColumn value is
** set to the column number. In case (4), TK_COLUMN nodes cause an error.
**
** Any errors cause an error message to be set in pParse.
*/
void sqlite3ResolveSelfReference(
int sqlite3ResolveSelfReference(
Parse *pParse, /* Parsing context */
Table *pTab, /* The table being referenced */
int type, /* NC_IsCheck or NC_PartIdx or NC_IdxExpr */
Table *pTab, /* The table being referenced, or NULL */
int type, /* NC_IsCheck or NC_PartIdx or NC_IdxExpr, or 0 */
Expr *pExpr, /* Expression to resolve. May be NULL. */
ExprList *pList /* Expression list to resolve. May be NULL. */
){
SrcList sSrc; /* Fake SrcList for pParse->pNewTable */
NameContext sNC; /* Name context for pParse->pNewTable */
int rc;
assert( type==NC_IsCheck || type==NC_PartIdx || type==NC_IdxExpr );
assert( type==0 || pTab!=0 );
assert( type==NC_IsCheck || type==NC_PartIdx || type==NC_IdxExpr || pTab==0 );
memset(&sNC, 0, sizeof(sNC));
memset(&sSrc, 0, sizeof(sSrc));
sSrc.nSrc = 1;
sSrc.a[0].zName = pTab->zName;
sSrc.a[0].pTab = pTab;
sSrc.a[0].iCursor = -1;
if( pTab ){
sSrc.nSrc = 1;
sSrc.a[0].zName = pTab->zName;
sSrc.a[0].pTab = pTab;
sSrc.a[0].iCursor = -1;
}
sNC.pParse = pParse;
sNC.pSrcList = &sSrc;
sNC.ncFlags = type;
if( sqlite3ResolveExprNames(&sNC, pExpr) ) return;
if( pList ) sqlite3ResolveExprListNames(&sNC, pList);
if( (rc = sqlite3ResolveExprNames(&sNC, pExpr))!=SQLITE_OK ) return rc;
if( pList ) rc = sqlite3ResolveExprListNames(&sNC, pList);
return rc;
}