Team,

Christian just let me know about the operator precedence in hive. Everyone writing queries should read about this as precedence it's not what you might expect and you query might end up taking forrrr everrrr making other users unhappy.

https://wikitech.wikimedia.org/wiki/Analytics/Cluster/Hive/Queries#Avoiding_overgreedy_scans_.2F_Operator_precedence

Thanks, 

Nuria

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