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Maksim Kita 2022-03-18 19:54:52 +01:00
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docs/en/sql-reference/functions/array-functions.md
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@ -1392,12 +1392,24 @@ Returns the first element in the `arr1` array for which `func` returns something
Note that the `arrayFirst` is a [higher-order function](../../sql-reference/functions/index.md#higher-order-functions). You must pass a lambda function to it as the first argument, and it can’t be omitted. Note that the `arrayFirst` is a [higher-order function](../../sql-reference/functions/index.md#higher-order-functions). You must pass a lambda function to it as the first argument, and it can’t be omitted.
## arrayFirstOrNull(func, arr1, …) {#array-first-or-null}
Returns the first element in the `arr1` array for which `func` returns something other than 0. If there are no such element, returns null.
Note that the `arrayFirstOrNull` is a [higher-order function](../../sql-reference/functions/index.md#higher-order-functions). You must pass a lambda function to it as the first argument, and it can’t be omitted.
## arrayLast(func, arr1, …) {#array-last} ## arrayLast(func, arr1, …) {#array-last}
Returns the last element in the `arr1` array for which `func` returns something other than 0. Returns the last element in the `arr1` array for which `func` returns something other than 0.
Note that the `arrayLast` is a [higher-order function](../../sql-reference/functions/index.md#higher-order-functions). You must pass a lambda function to it as the first argument, and it can’t be omitted. Note that the `arrayLast` is a [higher-order function](../../sql-reference/functions/index.md#higher-order-functions). You must pass a lambda function to it as the first argument, and it can’t be omitted.
## arrayLastOrNull(func, arr1, …) {#array-last-or-null}
Returns the last element in the `arr1` array for which `func` returns something other than 0. If there are no such element, returns null.
Note that the `arrayLast` is a [higher-order function](../../sql-reference/functions/index.md#higher-order-functions). You must pass a lambda function to it as the first argument, and it can’t be omitted.
## arrayFirstIndex(func, arr1, …) {#array-first-index} ## arrayFirstIndex(func, arr1, …) {#array-first-index}
Returns the index of the first element in the `arr1` array for which `func` returns something other than 0. Returns the index of the first element in the `arr1` array for which `func` returns something other than 0.