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Overview
| Comment: | Fix a minor problem causing an incorrect cursor-hint to be generated in some cases. |
|---|---|
| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | trunk |
| Files: | files | file ages | folders |
| SHA3-256: |
d879c47d7d145cbe99602b2cf70294dd |
| User & Date: | dan 2018-09-10 19:27:12 |
Context
|
2018-09-10
| ||
| 19:34 | Fix a test script issue in fts3ao.test. check-in: 74c381b5 user: dan tags: trunk | |
| 19:27 | Fix a minor problem causing an incorrect cursor-hint to be generated in some cases. check-in: d879c47d user: dan tags: trunk | |
| 17:21 | Add the ability for loadable extensions to access the new sqlite3_create_window_function() interface. check-in: 3def6d8e user: drh tags: trunk | |
Changes
Changes to src/wherecode.c.
878 879 880 881 882 883 884 885 886 887 888 889 890 891 892 |
** by pCCurHint.iTabCur, and an index is being used (which we will
** know because CCurHint.pIdx!=0) then transform the TK_COLUMN into
** an access of the index rather than the original table.
*/
static int codeCursorHintFixExpr(Walker *pWalker, Expr *pExpr){
int rc = WRC_Continue;
struct CCurHint *pHint = pWalker->u.pCCurHint;
if( pExpr->op==TK_COLUMN && !ExprHasProperty(pExpr, EP_FixedCol) ){
if( pExpr->iTable!=pHint->iTabCur ){
Vdbe *v = pWalker->pParse->pVdbe;
int reg = ++pWalker->pParse->nMem; /* Register for column value */
sqlite3ExprCodeGetColumnOfTable(
v, pExpr->pTab, pExpr->iTable, pExpr->iColumn, reg
);
pExpr->op = TK_REGISTER;
|
| |
878 879 880 881 882 883 884 885 886 887 888 889 890 891 892 |
** by pCCurHint.iTabCur, and an index is being used (which we will
** know because CCurHint.pIdx!=0) then transform the TK_COLUMN into
** an access of the index rather than the original table.
*/
static int codeCursorHintFixExpr(Walker *pWalker, Expr *pExpr){
int rc = WRC_Continue;
struct CCurHint *pHint = pWalker->u.pCCurHint;
if( pExpr->op==TK_COLUMN ){
if( pExpr->iTable!=pHint->iTabCur ){
Vdbe *v = pWalker->pParse->pVdbe;
int reg = ++pWalker->pParse->nMem; /* Register for column value */
sqlite3ExprCodeGetColumnOfTable(
v, pExpr->pTab, pExpr->iTable, pExpr->iColumn, reg
);
pExpr->op = TK_REGISTER;
|