AWS Glue Table SkewedInfo

The SkewedInfo property type specifies skewed values (values that occur with very high frequency) in an AWS Glue table.

SkewedInfo is a property of the StorageDescriptor property type.

Syntax

To declare this entity in your AWS CloudFormation template, use the following syntax:


{
  "SkewedColumnNames" : [ String, ... ],
  "SkewedColumnValues" : [ String, ... ],
  "SkewedColumnValueLocationMaps" : JSON object
}


SkewedColumnNames: 
  - String
SkewedColumnValues: 
  - String
SkewedColumnValueLocationMaps: JSON object

For more information, see SkewedInfo Structure in the AWS Glue Developer Guide.

SkewedColumnNames

A list of UTF-8 strings that specify the names of columns that contain skewed values.

Required: No

Type: List of String values

Update requires: No interruption

SkewedColumnValues

A list of UTF-8 strings that specify values that appear so frequently that they're considered to be skewed.

Required: No

Type: List of String values

Update requires: No interruption

SkewedColumnValueLocationMaps

UTF-8 string–to–UTF-8 string key-value pairs that map skewed values to the columns that contain them.

Required: No

Type: JSON object

Update requires: No interruption