class Amazonite::DynamoDB::GlobalSecondaryIndex

Overview

Represents the properties of a global secondary index.

Included Modules

Defined in:

dynamodb/global_secondary_index.cr

Constructors

Instance Method Summary

Constructor Detail

def self.new(index_name : String, key_schema : Array(KeySchemaElement), projection : Projection, provisioned_throughput : ProvisionedThroughput | Nil = nil, on_demand_throughput : OnDemandThroughput | Nil = nil, warm_throughput : WarmThroughput | Nil = nil) #

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def self.new(pull : JSON::PullParser) #

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def self.new(*, __pull_for_json_serializable pull : JSON::PullParser) #

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Instance Method Detail

def ==(other : self) #
Description copied from class Reference

Returns true if this reference is the same as other. Invokes same?.


def hash(hasher) #
Description copied from class Reference

See Object#hash(hasher)


def index_name : String #

The name of the global secondary index. The name must be unique among all other indexes on this table.


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def index_name=(index_name : String) #

The name of the global secondary index. The name must be unique among all other indexes on this table.


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def key_schema : Array(KeySchemaElement) #

The complete key schema for a global secondary index, which consists of one or more pairs of attribute names and key types:

  • HASH - partition key

  • RANGE - sort key

The partition key of an item is also known as its hash attribute. The term "hash attribute" derives from DynamoDB's usage of an internal hash function to evenly distribute data items across partitions, based on their partition key values.

The sort key of an item is also known as its range attribute. The term "range attribute" derives from the way DynamoDB stores items with the same partition key physically close together, in sorted order by the sort key value.


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def key_schema=(key_schema : Array(KeySchemaElement)) #

The complete key schema for a global secondary index, which consists of one or more pairs of attribute names and key types:

  • HASH - partition key

  • RANGE - sort key

The partition key of an item is also known as its hash attribute. The term "hash attribute" derives from DynamoDB's usage of an internal hash function to evenly distribute data items across partitions, based on their partition key values.

The sort key of an item is also known as its range attribute. The term "range attribute" derives from the way DynamoDB stores items with the same partition key physically close together, in sorted order by the sort key value.


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def on_demand_throughput : OnDemandThroughput | Nil #

The maximum number of read and write units for the specified global secondary index. If you use this parameter, you must specify MaxReadRequestUnits, MaxWriteRequestUnits, or both. You must use either OnDemandThroughput or ProvisionedThroughput based on your table's capacity mode.


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def on_demand_throughput=(on_demand_throughput : OnDemandThroughput | Nil) #

The maximum number of read and write units for the specified global secondary index. If you use this parameter, you must specify MaxReadRequestUnits, MaxWriteRequestUnits, or both. You must use either OnDemandThroughput or ProvisionedThroughput based on your table's capacity mode.


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def projection : Projection #

Represents attributes that are copied (projected) from the table into the global secondary index. These are in addition to the primary key attributes and index key attributes, which are automatically projected.


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def projection=(projection : Projection) #

Represents attributes that are copied (projected) from the table into the global secondary index. These are in addition to the primary key attributes and index key attributes, which are automatically projected.


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def provisioned_throughput : ProvisionedThroughput | Nil #

Represents the provisioned throughput settings for the specified global secondary index. You must use either OnDemandThroughput or ProvisionedThroughput based on your table's capacity mode.

For current minimum and maximum provisioned throughput values, see Service, Account, and Table Quotas in the Amazon DynamoDB Developer Guide.


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def provisioned_throughput=(provisioned_throughput : ProvisionedThroughput | Nil) #

Represents the provisioned throughput settings for the specified global secondary index. You must use either OnDemandThroughput or ProvisionedThroughput based on your table's capacity mode.

For current minimum and maximum provisioned throughput values, see Service, Account, and Table Quotas in the Amazon DynamoDB Developer Guide.


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def validate! : Nil #

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def warm_throughput : WarmThroughput | Nil #

Represents the warm throughput value (in read units per second and write units per second) for the specified secondary index. If you use this parameter, you must specify ReadUnitsPerSecond, WriteUnitsPerSecond, or both.


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def warm_throughput=(warm_throughput : WarmThroughput | Nil) #

Represents the warm throughput value (in read units per second and write units per second) for the specified secondary index. If you use this parameter, you must specify ReadUnitsPerSecond, WriteUnitsPerSecond, or both.


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