Stack Overflow Asked by Sarah on September 29, 2020
If I have a string column with the following data:
+-------+----------------------------+
| Row # | Array Column |
+-------+----------------------------+
| 1 | {apple;coconut;mango} |
| 2 | {coconut;pear;grapes} |
| 3 | {strawberry;mango;coconut} |
| 4 | {} |
| 5 | {january} |
+-------+----------------------------+
How can I pull out only the rows that have mango or nothing in it?
Result:
+-------+----------------------------+
| Row # | Array Column |
+-------+----------------------------+
| 1 | {apple;coconut;mango} |
| 3 | {strawberry;mango;coconut} |
| 4 | {} |
+-------+----------------------------+
If the column is a string and not an actual array.
SELECT *
FROM YourTable
WHERE ArrayColumn='{}'
OR ArrayColumn like '%mango%'
If the column is indeed an array
SELECT *
FROM YourTable
WHERE size(ArrayColumn)=0
OR array_contains(ArrayColumn,'mango')
Answered by Gabriel Durac on September 29, 2020
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