@GangWu I think you are mistaken, since I can create a PrimitiveType (or a GroupType) knowing the type of a LogicalTypeAnnotation (through getString()).
Please anyone to clarify this? Le mer. 26 mars 2025 à 04:26, marc nicole <[email protected]> a écrit : > I don't understand, it can also be a PrimitiveType. > Btw if it is there's the following function to convert back a > LogicalTypeAnnotation to a PrimitiveType and hence to Type > > withLogicalTypeAnnotation > <https://www.javadoc.io/static/org.apache.parquet/parquet-column/1.15.0/org/apache/parquet/schema/PrimitiveType.html#withLogicalTypeAnnotation-org.apache.parquet.schema.LogicalTypeAnnotation-> > (LogicalTypeAnnotation > <https://www.javadoc.io/static/org.apache.parquet/parquet-column/1.15.0/org/apache/parquet/schema/LogicalTypeAnnotation.html> > logicalType) > > Otherwise (GroupType) which constructor is most suitable for the > conversion. > > Le mer. 26 mars 2025 à 04:18, Gang Wu <[email protected]> a écrit : > >> No, LogicalType is a part (or an attribute) of GroupType so you might get >> a >> LogicalTypeAnnotation from a GroupType but not the opposite. >> >> On Wed, Mar 26, 2025 at 10:45 AM marc nicole <[email protected]> wrote: >> >> > I have a LogicalTypeAnnotation.StringLogicalTypeAnnotation created >> through >> > stringType() ( >> > >> > >> https://www.javadoc.io/doc/org.apache.parquet/parquet-column/latest/org/apache/parquet/schema/LogicalTypeAnnotation.html >> > ) >> > ( >> > >> > >> https://www.javadoc.io/doc/org.apache.parquet/parquet-column/latest/org/apache/parquet/schema/LogicalTypeAnnotation.StringLogicalTypeAnnotation.html >> > ) >> > >> > Is there a way to convert it to Type >> > >> > >> https://www.javadoc.io/doc/org.apache.parquet/parquet-column/latest/org/apache/parquet/schema/GroupType.html >> > >> > Thanks. >> > >> >
