xy720 commented on code in PR #16948:
URL: https://github.com/apache/doris/pull/16948#discussion_r1112482642
##########
fe/fe-core/src/main/java/org/apache/doris/analysis/MapLiteral.java:
##########
@@ -47,30 +47,18 @@ public MapLiteral(LiteralExpr... exprs) throws
AnalysisException {
Type keyType = Type.NULL;
Type valueType = Type.NULL;
children = new ArrayList<>();
- int idx = 0;
- // TODO(xy): limit key type to scalar type
- for (LiteralExpr expr : exprs) {
- if (idx % 2 == 0) {
- if (keyType == Type.NULL) {
- keyType = expr.getType();
- } else {
- keyType = Type.getAssignmentCompatibleType(keyType,
expr.getType(), true);
- }
- if (keyType == Type.INVALID) {
- throw new AnalysisException("Invalid element type in Map");
- }
- } else {
- if (valueType == Type.NULL) {
- valueType = expr.getType();
- } else {
- valueType = Type.getAssignmentCompatibleType(valueType,
expr.getType(), true);
- }
- if (valueType == Type.INVALID) {
- throw new AnalysisException("Invalid element type in Map");
- }
+ for (int idx = 0; idx < exprs.length && idx + 1 < exprs.length; idx +=
2) {
+ // limit key type to scalar type
+ keyType = Type.getAssignmentCompatibleType(keyType,
exprs[idx].getType(), true);
+ if (keyType == Type.INVALID || !keyType.isScalarType()) {
+ throw new AnalysisException("Invalid key type in Map Only
support scalar type");
Review Comment:
for example, date and int are scala types but they are not compatible with
each other.
But the error msg is "Invalid key type in Map Only support scalar type".
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