```
show functions | keep description, *on | mv_expand description
```

```
{
    "error": {
        "root_cause": [
            {
                "type": "unresolved_exception",
                "reason": "Invalid call to dataType on an unresolved object ?description"
            }
        ],
        "type": "unresolved_exception",
        "reason": "Invalid call to dataType on an unresolved object ?description"
    },
    "status": 500
}
```

```
org.elasticsearch.xpack.ql.capabilities.UnresolvedException: Invalid call to dataType on an unresolved object ?description
        at org.elasticsearch.xpack.ql.expression.UnresolvedAttribute.dataType(UnresolvedAttribute.java:90)
        at org.elasticsearch.xpack.esql.analysis.Analyzer$ResolveRefs.resolveMvExpand(Analyzer.java:350)
        at org.elasticsearch.xpack.esql.analysis.Analyzer$ResolveRefs.doRule(Analyzer.java:334)
        at org.elasticsearch.xpack.ql.analyzer.AnalyzerRules$BaseAnalyzerRule.rule(AnalyzerRules.java:120)
        at org.elasticsearch.xpack.ql.analyzer.AnalyzerRules$AnalyzerRule.lambda$apply$0(AnalyzerRules.java:85)
```

It should throw a VerificationException and propagate the unresolved attribute message instead
x-pack/plugin/esql/src/test/java/org/elasticsearch/xpack/esql/analysis/AnalyzerTests.java
"float",
            "foo_type",
            "int",
            "keyword",
            "point",
            "shape",
            "some.ambiguous",
            "some.ambiguous.normalized",
            "some.ambiguous.one",
            "some.ambiguous.two",
            "some.dotted.field",
            "some.string",
            "some.string.normalized",
            "some.string.typical",
            "text",
            "unsigned_long",
            "version"
        );
    }
    public void testDropMultipleUnsupportedFieldsExplicitly() {
        verifyUnsupported("""
            from test
            | drop languages, gender
            """, "Unknown column [languages]");
    }
    public void testDropPatternUnsupportedFields() {
        assertProjection("""
            from test
            | drop *ala*
            """, "_meta_field", "emp_no", "first_name", "gender", "job", "job.raw", "languages", "last_name", "long_noidx");