| --- |
| { |
| "title": "ARRAY_APPLY", |
| "language": "en" |
| } |
| --- |
| |
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| |
| ## array_apply |
| |
| array_apply |
| |
| ### description |
| |
| Filter array to match specific binary condition |
| |
| #### Syntax |
| |
| ```sql |
| array_apply(arr, op, val) |
| ``` |
| |
| #### Arguments |
| |
| `arr` — The array to inspect. If it null, null will be returned. |
| `op` — The compare operation, op includes `=`, `>=`, `<=`, `>`, `<`, `!=`. Support const value only. |
| `val` — The compared value.If it null, null will be returned. Support const value only. |
| |
| #### Returned value |
| |
| The filtered array matched with condition. |
| |
| Type: Array. |
| |
| ### example |
| |
| ``` |
| mysql> select array_apply([1, 2, 3, 4, 5], ">=", 2); |
| +--------------------------------------------+ |
| | array_apply(ARRAY(1, 2, 3, 4, 5), '>=', 2) | |
| +--------------------------------------------+ |
| | [2, 3, 4, 5] | |
| +--------------------------------------------+ |
| 1 row in set (0.01 sec) |
| |
| mysql> select array_apply([1000000, 1000001, 1000002], "=", "1000002"); |
| +-------------------------------------------------------------+ |
| | array_apply(ARRAY(1000000, 1000001, 1000002), '=', 1000002) | |
| +-------------------------------------------------------------+ |
| | [1000002] | |
| +-------------------------------------------------------------+ |
| 1 row in set (0.01 sec) |
| ``` |
| |
| ### keywords |
| |
| ARRAY,APPLY,ARRAY_APPLY |