Nick Alexander d8d18a1731 [query] Handle SQL NULL for aggregates over 0 rows. (#684) (#688) r=rnewman ... This uses a `SELECT *` from an inner subselect to filter potentially `NULL` aggregates. The alternative is to handle `NULL` values throughout the projector, which is simple but loses a valuable invariant: Mentat SQL queries produce values that are not `NULL`.		2018-06-01 14:17:31 -07:00
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lib.rs	[query] Handle SQL NULL for aggregates over 0 rows. (#684) (#688) r=rnewman	2018-06-01 14:17:31 -07:00