Caleb Waldner calebwaldner
calebwaldner
/ GetMainStringValue
Last active
May 12, 2021 15:48
A BigQuery function that accepts an array of similar strings and returns the string that occurs most within array.
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| CREATE TEMP FUNCTION GetMainStringValue(arr ARRAY<STRING>) RETURNS STRING AS ( | |
| ARRAY( | |
| SELECT list FROM ( | |
| SELECT list, | |
| count(*) count, | |
| FROM UNNEST(arr) list | |
| GROUP BY list | |
| ORDER BY count DESC | |
| ) | |
| )[SAFE_OFFSET(0)] |