[fix](nereids)create alias function should fail when meet unsupported expr

fe/fe-core/src/main/java/org/apache/doris/nereids/trees/plans/commands/CreateFunctionCommand.java

@@ -33,6 +33,7 @@
 import org.apache.doris.catalog.Function.NullableMode;
 import org.apache.doris.catalog.FunctionUtil;
 import org.apache.doris.catalog.MapType;
+import org.apache.doris.catalog.PrimitiveType;
 import org.apache.doris.catalog.ScalarFunction;
 import org.apache.doris.catalog.ScalarType;
 import org.apache.doris.catalog.StructType;
@@ -58,11 +59,13 @@
 import org.apache.doris.nereids.trees.expressions.BitNot;
 import org.apache.doris.nereids.trees.expressions.BitOr;
 import org.apache.doris.nereids.trees.expressions.BitXor;
+import org.apache.doris.nereids.trees.expressions.Cast;
 import org.apache.doris.nereids.trees.expressions.Divide;
 import org.apache.doris.nereids.trees.expressions.Expression;
 import org.apache.doris.nereids.trees.expressions.IntegralDivide;
 import org.apache.doris.nereids.trees.expressions.Mod;
 import org.apache.doris.nereids.trees.expressions.Multiply;
+import org.apache.doris.nereids.trees.expressions.Slot;
 import org.apache.doris.nereids.trees.expressions.SlotReference;
 import org.apache.doris.nereids.trees.expressions.Subtract;
 import org.apache.doris.nereids.trees.expressions.functions.BoundFunction;
@@ -100,6 +103,7 @@
 import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.HashMap;
+import java.util.HashSet;
 import java.util.List;
 import java.util.Map;
 import java.util.Set;
@@ -460,6 +464,8 @@ private void analyzeUdaf() throws AnalysisException {
         function.setBinaryType(binaryType);
         function.setChecksum(checksum);
         function.setNullableMode(returnNullMode);
+        function.setStaticLoad(isStaticLoad);
+        function.setExpirationTime(expirationTime);
     }
 
     private void analyzeUdf() throws AnalysisException {
@@ -887,10 +893,86 @@ private TFunctionBinaryType getFunctionBinaryType(String type) {
     }
 
     private void analyzeAliasFunction(ConnectContext ctx) throws AnalysisException {
+        if (parameters.size() != argsDef.getArgTypes().length) {
+            throw new AnalysisException(
+                    "Alias function [" + functionName + "] args number is not equal to parameters number");
+        }
+        List<Expression> exprs;
+        List<String> typeDefParams = new ArrayList<>();
+        if (originFunction instanceof org.apache.doris.nereids.trees.expressions.functions.Function) {
+            exprs = originFunction.getArguments();
+        } else if (originFunction instanceof Cast) {
+            exprs = originFunction.children();
+            DataType targetType = originFunction.getDataType();
+            Type type = targetType.toCatalogDataType();
+            if (type.isScalarType()) {
+                ScalarType scalarType = (ScalarType) type;
+                PrimitiveType primitiveType = scalarType.getPrimitiveType();
+                switch (primitiveType) {
+                    case DECIMAL32:
+                    case DECIMAL64:
+                    case DECIMAL128:
+                    case DECIMAL256:
+                    case DECIMALV2:
+                        if (!Strings.isNullOrEmpty(scalarType.getScalarPrecisionStr())) {
+                            typeDefParams.add(scalarType.getScalarPrecisionStr());
+                        }
+                        if (!Strings.isNullOrEmpty(scalarType.getScalarScaleStr())) {
+                            typeDefParams.add(scalarType.getScalarScaleStr());
+                        }
+                        break;
+                    case CHAR:
+                    case VARCHAR:
+                        if (!Strings.isNullOrEmpty(scalarType.getLenStr())) {
+                            typeDefParams.add(scalarType.getLenStr());
+                        }
+                        break;
+                    default:
+                        throw new AnalysisException("Alias type is invalid: " + primitiveType);
+                }
+            }
+        } else {
+            throw new AnalysisException("Not supported expr type: " + originFunction);
+        }
+        Set<String> set = new HashSet<>();
+        for (String str : parameters) {
+            if (!set.add(str)) {
+                throw new AnalysisException(
+                        "Alias function [" + functionName + "] has duplicate parameter [" + str + "].");
+            }
+            boolean existFlag = false;
+            // check exprs
+            for (Expression expr : exprs) {
+                existFlag |= checkParams(expr, str);
+            }
+            // check targetTypeDef
+            for (String typeDefParam : typeDefParams) {
+                existFlag |= typeDefParam.equals(str);
+            }
+            if (!existFlag) {
+                throw new AnalysisException("Alias function [" + functionName + "]  do not contain parameter [" + str
+                        + "]. typeDefParams="
+                        + typeDefParams.stream().map(String::toString).collect(Collectors.joining(", ")));
+            }
+        }
         function = AliasFunction.createFunction(functionName, argsDef.getArgTypes(),
                 Type.VARCHAR, argsDef.isVariadic(), parameters, translateToLegacyExpr(originFunction, ctx));
     }
 
+    private boolean checkParams(Expression expr, String param) {
+        for (Expression e : expr.children()) {
+            if (checkParams(e, param)) {
+                return true;
+            }
+        }
+        if (expr instanceof Slot) {
+            if (param.equals(((Slot) expr).getName())) {
+                return true;
+            }
+        }
+        return false;
+    }
+
     /**
      * translate to legacy expr, which do not need complex expression and table columns
      */

regression-test/suites/ddl_p0/test_alias_function.groovy

@@ -24,4 +24,11 @@ suite("test_alias_function") {
     sql """DROP FUNCTION IF EXISTS mesh_udf_test2(INT,INT)"""
     sql """CREATE ALIAS FUNCTION mesh_udf_test2(INT,INT) WITH PARAMETER(n,d) AS add(1,floor(divide(n,d)))"""
     qt_sql1 """select mesh_udf_test2(1,2);"""
+
+
+    sql """DROP FUNCTION IF EXISTS userlevel(bigint)"""
+    test {
+          sql """create GLOBAL ALIAS FUNCTION userlevel(bigint) with PARAMETER(level_score) as (CASE WHEN level_score < 0 THEN 0 WHEN level_score < 1000 THEN 1 WHEN level_score < 5000 THEN 2 WHEN level_score < 10000 THEN 3 WHEN level_score < 407160000 THEN 29 ELSE 30 END);"""
+          exception "Not supported expr type"
+    }
 }