fix(cubesql): Allow CAST
to be used with reaggregation
#7072
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Description of Changes Made
This PR fixes two issues with queries generated by Holistics.
The first issue is inability to use
CAST
with reaggregation. This would lead to expressions likeTO_CHAR(CAST ( "public_orders"."completedAt" AS timestamptz ), 'YYYY-MM-DD HH24:MI:SS.US')
erroring out ifGROUP BY
isn't in the query. Such expressions are now issued by Holistics fortimestamp
-type columns. This is now fixed.The second issue is minor and is about formatting with
TO_CHAR
. Previously.US
would implyup to microseconds
but if the precision wasn't high enough (for example, .000000), the decimal part could have been cut in length or be entirely missing. This was inconsistent with PostgreSQL and is now resolved;.US
will always convert to six decimal digits.Related tests are included.