From d5ccc99b1c079a7df855fde41997edf16c7ff36c Mon Sep 17 00:00:00 2001 From: candiduslynx Date: Wed, 3 May 2023 17:52:42 +0300 Subject: [PATCH] add map to list of unsupported nullable types --- docs/en/sql-reference/data-types/nullable.md | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/docs/en/sql-reference/data-types/nullable.md b/docs/en/sql-reference/data-types/nullable.md index 230b4af7960..28180f7f991 100644 --- a/docs/en/sql-reference/data-types/nullable.md +++ b/docs/en/sql-reference/data-types/nullable.md @@ -8,7 +8,7 @@ sidebar_label: Nullable Allows to store special marker ([NULL](../../sql-reference/syntax.md)) that denotes “missing value” alongside normal values allowed by `TypeName`. For example, a `Nullable(Int8)` type column can store `Int8` type values, and the rows that do not have a value will store `NULL`. -For a `TypeName`, you can’t use composite data types [Array](../../sql-reference/data-types/array.md) and [Tuple](../../sql-reference/data-types/tuple.md). Composite data types can contain `Nullable` type values, such as `Array(Nullable(Int8))`. +For a `TypeName`, you can’t use composite data types [Array](../../sql-reference/data-types/array.md), [Map](../../sql-reference/data-types/map.md) and [Tuple](../../sql-reference/data-types/tuple.md). Composite data types can contain `Nullable` type values, such as `Array(Nullable(Int8))`. A `Nullable` type field can’t be included in table indexes.