amorynan commented on code in PR #15966:
URL: https://github.com/apache/doris/pull/15966#discussion_r1089861089
##########
fe/fe-core/src/main/java/org/apache/doris/analysis/CastExpr.java:
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@@ -318,6 +318,11 @@ public void analyze() throws AnalysisException {
type, Function.NullableMode.ALWAYS_NULLABLE,
Lists.newArrayList(Type.VARCHAR), false,
"doris::CastFunctions::cast_to_array_val", null, null,
true);
+ } else if (type.isMapType()) {
+ fn = ScalarFunction.createBuiltin(getFnName(Type.MAP),
+ type, Function.NullableMode.ALWAYS_NULLABLE,
+ Lists.newArrayList(Type.VARCHAR), false,
+ "doris::CastFunctions::cast_to_map_val", null, null, true);
Review Comment:
emm no, so its fake logic for passing map element function expr from fe to
be
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