Marios Trivyzas 3f7cae3f0d

SQL: Implement GREATEST and LEAST functions (#35879) ...

Add GREATEST(expr1, expr2, ... exprN) and LEAST(expr1, expr2, exprN)
functions which are in the family of CONDITIONAL functions.

Implementation follows PostgreSQL behaviour, so the functions return
`NULL` when all of their arguments evaluate to `NULL`.

Renamed `CoalescePipe` and `CoalesceProcessor` to `ConditionalPipe` and
`ConditionalProcessor` respectively, to be able to reuse them for
`Greatest` and `Least` evaluations. To achieve that `ConditionalOperation`
has been added to differentiate between the functionalities at execution
time.

Closes: #35878

2018-11-26 18:21:36 +01:00

..

multi-node

SQL: Move qa directory into sql directory (#34496)

2018-10-30 14:54:15 -04:00

security

SQL: Introduce Coalesce function (#35253)

2018-11-06 13:12:24 +02:00

single-node

SQL: XPack FeatureSet functionality (#35725)

2018-11-26 07:11:43 +02:00

src/main

SQL: Implement GREATEST and LEAST functions (#35879)

2018-11-26 18:21:36 +01:00

build.gradle

Upgrade jline to 3.8.2 (#35288)

2018-11-06 18:42:57 +02:00