Package org.apache.druid.frame.field
Class FieldWriters
- java.lang.Object
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- org.apache.druid.frame.field.FieldWriters
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public class FieldWriters extends Object
Helper used to write field values to row-based frames orRowKey
. Most callers should useFrameWriters
to build frames fromColumnSelectorFactory
, rather than using this class directly.
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Method Summary
All Methods Static Methods Concrete Methods Modifier and Type Method Description static FieldWriter
create(ColumnSelectorFactory columnSelectorFactory, String columnName, ColumnType columnType)
Helper used byRowBasedFrameWriterFactory
.
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Method Detail
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create
public static FieldWriter create(ColumnSelectorFactory columnSelectorFactory, String columnName, ColumnType columnType)
Helper used byRowBasedFrameWriterFactory
. The returnedFieldWriter
objects are not thread-safe.- Throws:
UnsupportedColumnTypeException
- if "type" cannot be handled
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