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arrayUnionString

This section contains reference documentation for the arrayUnionString function.

Create a union of two arrays of strings.

Signature

arrayUnionString('colName1', 'colName2')

Usage Examples

These examples are based on the Hybrid Quick Start.

select DivTailNums, 
       DivAirports,
       arrayUnionString(DivTailNums, DivAirports) AS unionIds
from airlineStats 
WHERE arraylength(DivTailNums) >= 2
limit 5
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