程序包 com.obs.services.model.select

类概要

类	说明
ArrowOutput	Arrow output serialization format
CsvInput	CSV input serialization format
CsvOutput	CSV output serialization format
InputSerialization	Input serialization format
JsonInput	JSON input serialization format
JsonOutput	JSON output serialization format
OrcInput	ORC input serialization format
OutputSerialization
ParquetInput	Parquet input serialization format
RequestProgress	Specifies if periodic progress information has to be enabled
ScanRange	Configuration of the scan range of the input data
SelectEventVisitor	Interface for a visitor over the events of the input stream Those events not overriden do nothing.
SelectInputStream
SelectObjectRequest	Configuration of an OBS Select request
SelectObjectResult	Result of a Select request The evaluation is lazy and it only will start when the first row of the iterator is required.
XmlSerialization	Auxiliary methods for serialization to a XML request

枚举概要

枚举	说明
CompressionType	Compression type of the input file
ExpressionType	The type of the expression, currently it only supports SQL statements
FileHeaderInfo	The content of the first line of a CSV file
JsonType	Format of the input JSON file
QuoteFields	Indicates whether to quote fields

异常错误概要

异常错误	说明
SelectObjectException	Select Object Content exception