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Posted to github@arrow.apache.org by GitBox <gi...@apache.org> on 2022/11/05 02:26:24 UTC
[GitHub] [arrow-datafusion] HaoYang670 commented on a diff in pull request #4109: Update SQL reference to state that decimal support is currently experimental
HaoYang670 commented on code in PR #4109:
URL: https://github.com/apache/arrow-datafusion/pull/4109#discussion_r1014550152
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docs/source/user-guide/sql/data_types.md:
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@@ -35,20 +35,20 @@ This mapping occurs when defining the schema in a `CREATE EXTERNAL TABLE` comman
## Numeric Types
-| SQL DataType | Arrow DataType |
-| ------------------------------------ | :---------------- |
-| `TINYINT` | `Int8` |
-| `SMALLINT` | `Int16` |
-| `INT` or `INTEGER` | `Int32` |
-| `BIGINT` | `Int64` |
-| `TINYINT UNSIGNED` | `UInt8` |
-| `SMALLINT UNSIGNED` | `UInt16` |
-| `INT UNSIGNED` or `INTEGER UNSIGNED` | `UInt32` |
-| `BIGINT UNSIGNED` | `UInt64` |
-| `FLOAT` | `Float32` |
-| `REAL` | `Float32` |
-| `DOUBLE` | `Float64` |
-| `DECIMAL(p,s)` | `Decimal128(p,s)` |
+| SQL DataType | Arrow DataType | Notes |
+| ------------------------------------ | :---------------- | ----------------------------------------------------------------------------------------------------------- |
+| `TINYINT` | `Int8` | |
+| `SMALLINT` | `Int16` | |
+| `INT` or `INTEGER` | `Int32` | |
+| `BIGINT` | `Int64` | |
+| `TINYINT UNSIGNED` | `UInt8` | |
+| `SMALLINT UNSIGNED` | `UInt16` | |
+| `INT UNSIGNED` or `INTEGER UNSIGNED` | `UInt32` | |
+| `BIGINT UNSIGNED` | `UInt64` | |
+| `FLOAT` | `Float32` | |
+| `REAL` | `Float32` | |
+| `DOUBLE` | `Float64` | |
+| `DECIMAL(p,s)` | `Decimal128(p,s)` | Decimal support is currently experimental ([#3523](https://github.com/apache/arrow-datafusion/issues/3523)) |
Review Comment:
```suggestion
| `DECIMAL(precision,scale)` | `Decimal128(precision,scale)` | Decimal support is currently experimental ([#3523](https://github.com/apache/arrow-datafusion/issues/3523)) |
```
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