586     Expr *pEq;                    /* Expression (pLeft = pRight) */  in fkScanChildren()  local
596     pEq = sqlite3PExpr(pParse, TK_EQ, pLeft, pRight);  in fkScanChildren()
597     pWhere = sqlite3ExprAnd(pParse, pWhere, pEq);  in fkScanChildren()
623       Expr *pEq, *pAll = 0;  in fkScanChildren()  local
630         pEq = sqlite3PExpr(pParse, TK_IS, pLeft, pRight);  in fkScanChildren()
631         pAll = sqlite3ExprAnd(pParse, pAll, pEq);  in fkScanChildren()
1246       Expr *pEq;                  /* tFromCol = OLD.tToCol */  in fkActionTrigger()  local
1260       pEq = sqlite3PExpr(pParse, TK_EQ,  in fkActionTrigger()
1266       pWhere = sqlite3ExprAnd(pParse, pWhere, pEq);  in fkActionTrigger()
1274         pEq = sqlite3PExpr(pParse, TK_IS,  in fkActionTrigger()
1282         pWhen = sqlite3ExprAnd(pParse, pWhen, pEq);  in fkActionTrigger()