public static LazySimpleSerDe getKeyValueLineSerde(
@Nonnull final PrimitiveObjectInspector keyOI,
@Nonnull final PrimitiveObjectInspector valueOI)
throws SerDeException {
LazySimpleSerDe serde = new LazySimpleSerDe();
Configuration conf = new Configuration();
Properties tbl = new Properties();
tbl.setProperty("columns", "key,value");
tbl.setProperty("columns.types", keyOI.getTypeName() + "," + valueOI.getTypeName());
serde.initialize(conf, tbl);
return serde;
}
public static LazySimpleSerDe getLineSerde(@Nonnull final PrimitiveObjectInspector... OIs)
throws SerDeException {
if (OIs.length == 0) {
throw new IllegalArgumentException("OIs must be specified");
}
LazySimpleSerDe serde = new LazySimpleSerDe();
Configuration conf = new Configuration();
Properties tbl = new Properties();
StringBuilder columnNames = new StringBuilder();
StringBuilder columnTypes = new StringBuilder();
for (int i = 0; i < OIs.length; i++) {
columnNames.append('c').append(i + 1).append(',');
columnTypes.append(OIs[i].getTypeName()).append(',');
}
columnNames.deleteCharAt(columnNames.length() - 1);
columnTypes.deleteCharAt(columnTypes.length() - 1);
tbl.setProperty("columns", columnNames.toString());
tbl.setProperty("columns.types", columnTypes.toString());
serde.initialize(conf, tbl);
return serde;
}
