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Add test cases and fixes for UPDATE...FROM statements that modify primary key columns.

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FossilOrigin-Name: 47c87af3e52bce10fbcc2cbe832d659b0c204bfb3368d9314fa1b01120129254
This commit is contained in:
dan
2020-07-13 20:10:29 +00:00
parent a7f82d9f47
commit be952c11dc
6 changed files with 226 additions and 1892 deletions
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6
src/resolve.c
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@@ -756,10 +756,10 @@ static int resolveExprStep(Walker *pWalker, Expr *pExpr){
#endif
switch( pExpr->op ){
#if defined(SQLITE_ENABLE_UPDATE_DELETE_LIMIT) && !defined(SQLITE_OMIT_SUBQUERY)
/* The special operator TK_ROW means use the rowid for the first
** column in the FROM clause. This is used by the LIMIT and ORDER BY
** clause processing on UPDATE and DELETE statements.
** clause processing on UPDATE and DELETE statements, and by
** UPDATE ... FROM statement processing.
*/
case TK_ROW: {
SrcList *pSrcList = pNC->pSrcList;
@@ -774,8 +774,6 @@ static int resolveExprStep(Walker *pWalker, Expr *pExpr){
pExpr->affExpr = SQLITE_AFF_INTEGER;
break;
}
#endif /* defined(SQLITE_ENABLE_UPDATE_DELETE_LIMIT)
&& !defined(SQLITE_OMIT_SUBQUERY) */
/* A column name: ID
** Or table name and column name: ID.ID