909   Walker sWalker;  in sqlite3RenameExprUnmap()  local
910   memset(&sWalker, 0, sizeof(Walker));  in sqlite3RenameExprUnmap()
911   sWalker.pParse = pParse;  in sqlite3RenameExprUnmap()
912   sWalker.xExprCallback = renameUnmapExprCb;  in sqlite3RenameExprUnmap()
913   sWalker.xSelectCallback = renameUnmapSelectCb;  in sqlite3RenameExprUnmap()
915   sqlite3WalkExpr(&sWalker, pExpr);  in sqlite3RenameExprUnmap()
926     Walker sWalker;  in sqlite3RenameExprlistUnmap()  local
927     memset(&sWalker, 0, sizeof(Walker));  in sqlite3RenameExprlistUnmap()
928     sWalker.pParse = pParse;  in sqlite3RenameExprlistUnmap()
929     sWalker.xExprCallback = renameUnmapExprCb;  in sqlite3RenameExprlistUnmap()
930     sqlite3WalkExprList(&sWalker, pEList);  in sqlite3RenameExprlistUnmap()
1478   Walker sWalker;  in renameColumnFunc()  local
1507   memset(&sWalker, 0, sizeof(Walker));  in renameColumnFunc()
1508   sWalker.pParse = &sParse;  in renameColumnFunc()
1509   sWalker.xExprCallback = renameColumnExprCb;  in renameColumnFunc()
1510   sWalker.xSelectCallback = renameColumnSelectCb;  in renameColumnFunc()
1511   sWalker.u.pRename = &sCtx;  in renameColumnFunc()
1523         sqlite3WalkSelect(&sWalker, pSelect);  in renameColumnFunc()
1540         sqlite3WalkExprList(&sWalker, sParse.pNewTable->pCheck);  in renameColumnFunc()
1542           sqlite3WalkExprList(&sWalker, pIdx->aColExpr);  in renameColumnFunc()
1545           sqlite3WalkExprList(&sWalker, pIdx->aColExpr);  in renameColumnFunc()
1551           sqlite3WalkExpr(&sWalker, pExpr);  in renameColumnFunc()
1571     sqlite3WalkExprList(&sWalker, sParse.pNewIndex->aColExpr);  in renameColumnFunc()
1572     sqlite3WalkExpr(&sWalker, sParse.pNewIndex->pPartIdxWhere);  in renameColumnFunc()
1600     renameWalkTrigger(&sWalker, sParse.pNewTrigger);  in renameColumnFunc()
1704     Walker sWalker;  in renameTableFunc()  local
1715     memset(&sWalker, 0, sizeof(Walker));  in renameTableFunc()
1716     sWalker.pParse = &sParse;  in renameTableFunc()
1717     sWalker.xExprCallback = renameTableExprCb;  in renameTableFunc()
1718     sWalker.xSelectCallback = renameTableSelectCb;  in renameTableFunc()
1719     sWalker.u.pRename = &sCtx;  in renameTableFunc()
1741               sqlite3WalkSelect(&sWalker, pTab->u.view.pSelect);  in renameTableFunc()
1766               sqlite3WalkExprList(&sWalker, pTab->pCheck);  in renameTableFunc()
1776           sqlite3WalkExpr(&sWalker, sParse.pNewIndex->pPartIdxWhere);  in renameTableFunc()
1793             renameWalkTrigger(&sWalker, pTrigger);  in renameTableFunc()
1896       Walker sWalker;  in renameQuotefixFunc()  local
1900       memset(&sWalker, 0, sizeof(Walker));  in renameQuotefixFunc()
1901       sWalker.pParse = &sParse;  in renameQuotefixFunc()
1902       sWalker.xExprCallback = renameQuotefixExprCb;  in renameQuotefixFunc()
1903       sWalker.xSelectCallback = renameColumnSelectCb;  in renameQuotefixFunc()
1904       sWalker.u.pRename = &sCtx;  in renameQuotefixFunc()
1914             sqlite3WalkSelect(&sWalker, pSelect);  in renameQuotefixFunc()
1918           sqlite3WalkExprList(&sWalker, sParse.pNewTable->pCheck);  in renameQuotefixFunc()
1921             sqlite3WalkExpr(&sWalker,   in renameQuotefixFunc()
1928         sqlite3WalkExprList(&sWalker, sParse.pNewIndex->aColExpr);  in renameQuotefixFunc()
1929         sqlite3WalkExpr(&sWalker, sParse.pNewIndex->pPartIdxWhere);  in renameQuotefixFunc()
1934           renameWalkTrigger(&sWalker, sParse.pNewTrigger);  in renameQuotefixFunc()