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AWS CloudFormation
User Guide (API Version 2010-05-15)

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 AWS Glue Table StorageDescriptor property type.

Syntax

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

JSON

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

YAML

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

Properties

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

See Also

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