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[SPARK-29364][SQL] Return an interval from date subtract according to SQL standard #26112

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[SPARK-29364][SQL] Return an interval from date subtract according to SQL standard #26112

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18bc09b
Add SubtractDates
MaxGekk Oct 14, 2019
141d3da
Add tests for SubtractDates
MaxGekk Oct 14, 2019
dc37bc7
Use SubtractDates for dates subtract
MaxGekk Oct 14, 2019
e82f027
Update the SQL migration guide
MaxGekk Oct 14, 2019
e74f81b
Regen date.sql.out
MaxGekk Oct 14, 2019
4a8173b
Regen datetime.sql.out
MaxGekk Oct 14, 2019
27de6b8
Add config spark.sql.legacy.datesSubtraction.enabled
MaxGekk Oct 14, 2019
fbd2723
TimestampDiff -> SubtractTimestamps
MaxGekk Oct 14, 2019
199adff
Update config description regarding datediff
MaxGekk Oct 14, 2019
8b49c9b
Regen datetime.sql.out
MaxGekk Oct 15, 2019
85f17f7
Revert "Update config description regarding datediff"
MaxGekk Oct 15, 2019
228673d
Revert "Add config spark.sql.legacy.datesSubtraction.enabled"
MaxGekk Oct 15, 2019
f232b64
Revert "Update the SQL migration guide"
MaxGekk Oct 15, 2019
c6ec211
Use DateDiff in the PostgreSQL dialect
MaxGekk Oct 16, 2019
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Regen datetime.sql.out
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@MaxGekk
MaxGekk committed Oct 15, 2019
commit 8b49c9bc2215310acd2b2461e3ff3cee93cbac5b
4 changes: 2 additions & 2 deletions sql/core/src/test/resources/sql-tests/results/datetime.sql.out
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Expand Up @@ -134,14 +134,14 @@ interval 3 days
-- !query 15
select date'2020-01-01' - timestamp'2019-10-06 10:11:12.345678'
-- !query 15 schema
struct<timestampdiff(CAST(DATE '2020-01-01' AS TIMESTAMP), TIMESTAMP('2019-10-06 10:11:12.345678')):interval>
struct<subtracttimestamps(CAST(DATE '2020-01-01' AS TIMESTAMP), TIMESTAMP('2019-10-06 10:11:12.345678')):interval>
-- !query 15 output
interval 12 weeks 2 days 14 hours 48 minutes 47 seconds 654 milliseconds 322 microseconds


-- !query 16
select timestamp'2019-10-06 10:11:12.345678' - date'2020-01-01'
-- !query 16 schema
struct<timestampdiff(TIMESTAMP('2019-10-06 10:11:12.345678'), CAST(DATE '2020-01-01' AS TIMESTAMP)):interval>
struct<subtracttimestamps(TIMESTAMP('2019-10-06 10:11:12.345678'), CAST(DATE '2020-01-01' AS TIMESTAMP)):interval>
-- !query 16 output
interval -12 weeks -2 days -14 hours -48 minutes -47 seconds -654 milliseconds -322 microseconds