public static interface StringOperators.StringOperator extends BeamSqlOperator
BeamSqlOperator
that returns a string.Modifier and Type | Method and Description |
---|---|
default org.apache.calcite.sql.type.SqlTypeName |
getOutputType() |
accept, apply
default org.apache.calcite.sql.type.SqlTypeName getOutputType()
getOutputType
in interface BeamSqlOperator