danny0405 commented on a change in pull request #1519: [CALCITE-3424]
AssertionError thrown for user-defined table function with array argument
URL: https://github.com/apache/calcite/pull/1519#discussion_r337312540
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File path: core/src/main/java/org/apache/calcite/jdbc/JavaTypeFactoryImpl.java
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@@ -251,9 +251,16 @@ public static RelDataType toSql(final RelDataTypeFactory
typeFactory,
type.getFieldNames()),
type.isNullable());
} else if (type instanceof JavaType) {
- return typeFactory.createTypeWithNullability(
- typeFactory.createSqlType(type.getSqlTypeName()),
- type.isNullable());
+ SqlTypeName sqlTypeName = type.getSqlTypeName();
+ final RelDataType relDataType;
+ if (sqlTypeName == SqlTypeName.ARRAY) {
+ RelDataType elementType = type.getComponentType() == null
+ ? typeFactory.createSqlType(SqlTypeName.ANY) :
type.getComponentType();
Review comment:
You can use `SqlTypeUtil#isArray` to decide if a type is `ARRAY` type.
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