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Stop everything being decimals #27

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RobinL opened this issue Jan 8, 2020 · 0 comments · Fixed by #41
Closed

Stop everything being decimals #27

RobinL opened this issue Jan 8, 2020 · 0 comments · Fixed by #41

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@RobinL
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RobinL commented Jan 8, 2020

Spark treats literal values in queries as decimals

i.e. in the following a is a decimal:

spark.sql("select 0.2/0.3 as a")

See here

We need to refactor a bunch of statement to wrap them with cast:
spark.sql("select cast(0.2 as float)/cast(0.3 as float) as a")
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everything as double not decimal moj-analytical-services/splink
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@RobinL