[SPARK-57839][SQL] Support the nanosecond-precision timestamp types in CBO statistics estimation#56941

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Commits on Jul 1, 2026

[SPARK-57839][SQL] Support the nanosecond-precision timestamp types in CBO statistics estimation
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[SPARK-57839][SQL] Exclude nanosecond timestamps from histogram collection; add LTZ/sub-micro estimation tests
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Commits on Jul 2, 2026

[SPARK-57839][SQL] Add high-magnitude nanos filter estimation tests and fromDouble lossy comment
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