@aws-cdk/aws-redshift-alpha.ColumnEncoding

Experimental

@aws-cdk/aws-redshift-alpha is an experimental (alpha) package: its API may change in any release, without a major version bump.

ColumnEncoding Enum

The compression encoding of a column.

Stability

Experimental

Source

lib/table.ts

Example

import { ColumnEncoding } from '@aws-cdk/aws-redshift-alpha';

new Table(this, 'Table', {
  tableColumns: [
    { name: 'col1', dataType: 'varchar(4)', encoding: ColumnEncoding.TEXT32K },
    { name: 'col2', dataType: 'float', encoding: ColumnEncoding.DELTA32K },
  ],
  cluster: cluster,
  databaseName: 'databaseName',
});

Members

Member	Description
AUTO	Amazon Redshift assigns an optimal encoding based on the column data.
RAW	The column is not compressed.
AZ64	The column is compressed using the AZ64 algorithm.
BYTEDICT	The column is compressed using a separate dictionary for each block column value on disk.
DELTA	The column is compressed based on the difference between values in the column.
DELTA32K	The column is compressed based on the difference between values in the column.
LZO	The column is compressed using the LZO algorithm.
MOSTLY8	The column is compressed to a smaller storage size than the original data type.
MOSTLY16	The column is compressed to a smaller storage size than the original data type.
MOSTLY32	The column is compressed to a smaller storage size than the original data type.
RUNLENGTH	The column is compressed by recording the number of occurrences of each value in the column.
TEXT255	The column is compressed by recording the first 245 unique words and then using a 1-byte index to represent each word.
TEXT32K	The column is compressed by recording the first 32K unique words and then using a 2-byte index to represent each word.
ZSTD	The column is compressed using the ZSTD algorithm.

Referenced by

• Column.encodingencodingencodingEncodingEncoding