xiedeyantu commented on code in PR #4334:
URL: https://github.com/apache/calcite/pull/4334#discussion_r2061267841
##########
core/src/main/java/org/apache/calcite/sql/fun/SqlJsonQueryFunction.java:
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@@ -45,12 +45,24 @@
import java.util.List;
import java.util.Optional;
+import static org.apache.calcite.sql.type.OperandTypes.family;
+
import static java.util.Objects.requireNonNull;
/**
* The <code>JSON_QUERY</code> function.
*/
public class SqlJsonQueryFunction extends SqlFunction {
+ static final SqlSingleOperandTypeChecker TYPE_CHECKER =
Review Comment:
I have a small question, can it be written like this?
```
public static final SqlSingleOperandTypeChecker TYPE_CHECKER =
family(SqlTypeFamily.ANY, SqlTypeFamily.CHARACTER,
SqlTypeFamily.ANY, SqlTypeFamily.ANY, SqlTypeFamily.ANY)
.or(family(SqlTypeFamily.ANY));
```
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