fix issue 1913

sqle/driver/mysql/audit_test.go

@@ -3954,6 +3954,50 @@ func Test_DMLCheckInQueryLimit(t *testing.T) {
 	runSingleRuleInspectCase(rule, t, "", DefaultMysqlInspect(),
 		"update exist_tb_1 set v1 = 'v1_next' where id in (1,2,3,4,5,6,7)",
 		newTestResult().addResult(rulepkg.DMLCheckInQueryNumber, 7, paramValue))
+
+	runSingleRuleInspectCase(rule, t, "", DefaultMysqlInspect(),
+		"select * from exist_tb_1 where id in (select id from exist_tb_1 where id in (1,2,3,4,5,6,7))",
+		newTestResult().addResult(rulepkg.DMLCheckInQueryNumber, 7, paramValue))
+
+	runSingleRuleInspectCase(rule, t, "", DefaultMysqlInspect(),
+		"select * from exist_tb_1 where id in (select id from exist_tb_1 where id in (1,2,3,4))",
+		newTestResult())
+
+	runSingleRuleInspectCase(rule, t, "", DefaultMysqlInspect(),
+		"delete from exist_tb_1 where id in (select id from exist_tb_1 where id in (1,2,3,4))",
+		newTestResult())
+
+	runSingleRuleInspectCase(rule, t, "", DefaultMysqlInspect(),
+		"delete from exist_tb_1 where id in (select id from exist_tb_1 where id in (1,2,3,4,5,6,7))",
+		newTestResult().addResult(rulepkg.DMLCheckInQueryNumber, 7, paramValue))
+
+	runSingleRuleInspectCase(rule, t, "", DefaultMysqlInspect(),
+		"update exist_tb_1 set v1 = 'v1_next' where id in (select id from exist_tb_1 where id in (1,2,3,4,5,6,7))",
+		newTestResult().addResult(rulepkg.DMLCheckInQueryNumber, 7, paramValue))
+
+	runSingleRuleInspectCase(rule, t, "", DefaultMysqlInspect(),
+		"update exist_tb_1 set v1 = 'v1_next' where id in (select id from exist_tb_1 where id in (1,2,3,4))",
+		newTestResult())
+
+	runSingleRuleInspectCase(rule, t, "", DefaultMysqlInspect(),
+		"select * from exist_tb_1 where id in (select id from exist_tb_1 where id in (1,2,3,4,5,6,7) and v1 in ('a', 'b', 'c'))",
+		newTestResult().addResult(rulepkg.DMLCheckInQueryNumber, 7, paramValue))
+
+	runSingleRuleInspectCase(rule, t, "", DefaultMysqlInspect(),
+		"select * from exist_tb_1 where id in (select id from exist_tb_1 where id in (1,2,3,4,5,6,7) and v1 in ('a', 'b', 'c', 'd', 'e', 'f'))",
+		newTestResult().addResult(rulepkg.DMLCheckInQueryNumber, 7, paramValue).addResult(rulepkg.DMLCheckInQueryNumber, 6, paramValue))
+
+	runSingleRuleInspectCase(rule, t, "", DefaultMysqlInspect(),
+		"delete from exist_tb_1 where id in (select id from exist_tb_1 where id in (1,2,3,4,5,6,7) and v1 in ('a', 'b', 'c', 'd', 'e', 'f'))",
+		newTestResult().addResult(rulepkg.DMLCheckInQueryNumber, 7, paramValue).addResult(rulepkg.DMLCheckInQueryNumber, 6, paramValue))
+
+	runSingleRuleInspectCase(rule, t, "", DefaultMysqlInspect(),
+		"update exist_tb_1 set v1 = 'v1_next' where id in (select id from exist_tb_1 where id in (1,2,3,4,5,6,7) and v1 in ('a', 'b', 'c', 'd', 'e', 'f'))",
+		newTestResult().addResult(rulepkg.DMLCheckInQueryNumber, 7, paramValue).addResult(rulepkg.DMLCheckInQueryNumber, 6, paramValue))
+
+	runSingleRuleInspectCase(rule, t, "", DefaultMysqlInspect(),
+		"select 1 in (1,2,3,4,5,6);",
+		newTestResult())
 }
 
 func TestCheckIndexOption(t *testing.T) {

sqle/driver/mysql/rule/rule.go

@@ -2801,24 +2801,29 @@ func hasDefaultValueCurrentTimeStamp(options []*ast.ColumnOption) bool {
 }
 
 func checkInQueryLimit(input *RuleHandlerInput) error {
-	where := getWhereExpr(input.Node)
-	if where == nil {
+	dmlNode, ok := input.Node.(ast.DMLNode)
+	if !ok {
 		return nil
 	}
 
+	whereVisitor := &util.WhereVisitor{}
+	dmlNode.Accept(whereVisitor)
 	paramThresholdNumber := input.Rule.Params.GetParam(DefaultSingleParamKeyName).Int()
-	util.ScanWhereStmt(func(expr ast.ExprNode) bool {
-		switch stmt := expr.(type) {
-		case *ast.PatternInExpr:
-			inQueryParamActualNumber := len(stmt.List)
-			if inQueryParamActualNumber > paramThresholdNumber {
-				addResult(input.Res, input.Rule, DMLCheckInQueryNumber, inQueryParamActualNumber, paramThresholdNumber)
+
+	for _, whereExpr := range whereVisitor.WhereList {
+		util.ScanWhereStmt(func(expr ast.ExprNode) bool {
+			switch stmt := expr.(type) {
+			case *ast.PatternInExpr:
+				inQueryParamActualNumber := len(stmt.List)
+				if inQueryParamActualNumber > paramThresholdNumber {
+					addResult(input.Res, input.Rule, DMLCheckInQueryNumber, inQueryParamActualNumber, paramThresholdNumber)
+				}
+				return true
 			}
-			return true
-		}
 
-		return false
-	}, where)
+			return false
+		}, whereExpr)
+	}
 
 	return nil
 }

sqle/driver/mysql/util/visitor.go

@@ -243,3 +243,32 @@ func (v *ColumnNameVisitor) Enter(in ast.Node) (out ast.Node, skipChildren bool)
 func (v *ColumnNameVisitor) Leave(in ast.Node) (out ast.Node, ok bool) {
 	return in, true
 }
+
+type WhereVisitor struct {
+	WhereList []ast.ExprNode
+}
+
+func (v *WhereVisitor) append(where ast.ExprNode) {
+	if where != nil {
+		v.WhereList = append(v.WhereList, where)
+	}
+}
+
+func (v *WhereVisitor) Enter(in ast.Node) (out ast.Node, skipChildren bool) {
+	switch stmt := in.(type) {
+	case *ast.SelectStmt:
+		if stmt.From == nil { //If from is null skip check. EX: select 1;select version
+			return in, false
+		}
+		v.append(stmt.Where)
+	case *ast.UpdateStmt:
+		v.append(stmt.Where)
+	case *ast.DeleteStmt:
+		v.append(stmt.Where)
+	}
+	return in, false
+}
+
+func (v *WhereVisitor) Leave(in ast.Node) (out ast.Node, ok bool) {
+	return in, true
+}