接口的使用
org.apache.flink.formats.parquet.vector.reader.ColumnReader

使用ColumnReader的程序包

程序包	说明
org.apache.flink.formats.parquet.vector
org.apache.flink.formats.parquet.vector.reader

org.apache.flink.formats.parquet.vector中ColumnReader的使用

返回ColumnReader的org.apache.flink.formats.parquet.vector中的方法

限定符和类型	方法和说明
static ColumnReader	ParquetSplitReaderUtil.createColumnReader(boolean utcTimestamp, org.apache.flink.table.types.logical.LogicalType fieldType, org.apache.parquet.column.ColumnDescriptor descriptor, org.apache.parquet.column.page.PageReader pageReader)

org.apache.flink.formats.parquet.vector.reader中ColumnReader的使用

实现ColumnReader的org.apache.flink.formats.parquet.vector.reader中的类

限定符和类型	类和说明
class	AbstractColumnReader<VECTOR extends org.apache.flink.table.data.vector.writable.WritableColumnVector> Abstract ColumnReader.
class	BooleanColumnReader Boolean ColumnReader.
class	ByteColumnReader Byte ColumnReader.
class	BytesColumnReader Bytes ColumnReader.
class	DoubleColumnReader Double ColumnReader.
class	FixedLenBytesColumnReader<VECTOR extends org.apache.flink.table.data.vector.writable.WritableColumnVector> Fixed length bytes ColumnReader, just for decimal.
class	FloatColumnReader Float ColumnReader.
class	IntColumnReader Int ColumnReader.
class	LongColumnReader Long ColumnReader.
class	ShortColumnReader Short ColumnReader.
class	TimestampColumnReader Timestamp ColumnReader.