Mayya Sharipova 1287df4074 Fix max/min aggs for unsigned_long (#63904)
Max and min aggs were producing wrong results for unsigned_long field
if field was indexed. If field is indexed for max/min aggs instead of
field data, we use values from indexed Points, values of which
are derived using method pointReaderIfPossible. Before
UnsignedLongFieldType#pointReaderIfPossible was incorrectly
producing values, as it failed to shift them back to original
values.

This patch fixes method pointReaderIfPossible to produce
correct original values.

Relates to #60050
2020-10-19 15:59:55 -04:00
..

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