Redshift Serverless | Polytomic Docs

Supports:

✅ Models
✅ Model sync destination
✅ Bulk sync source
✅ Bulk sync destination

Connection

Configuration

Name	Type	Description	Required
`connection_method`	`string`	Connection method Accepted values: `data_api` ↓, `endpoint` ↓	`true`
`database`	`string`	Database	`true`
`iam_role_arn`	`string`	IAM Role ARN	`true`
`region`	`string`	Region	`false`
`s3_bucket_name`	`string`	S3 bucket name (destination/unload support only) (required if `use_unload` is “true”)	`false`
`s3_bucket_region`	`string`	S3 bucket region (destination/unload support only) (required if `use_unload` is “true”)	`false`
`use_bulk_sync_staging_schema`	`boolean`	Use custom bulk sync staging schema ↓	`false`
`use_unload`	`boolean`	Read data using Unload	`false`
`workgroup`	`string`	Workgroup	`true`

`use_bulk_sync_staging_schema`

When `use_bulk_sync_staging_schema` is `true`

Name	Type	Description	Required
`bulk_sync_staging_schema`	`string`	Staging schema name	`false`

`connection_method`

When `connection_method` is `endpoint`

Name	Type	Description	Required
`endpoint`	`string`	Redshift Serverless endpoint	`false`

When `connection_method` is `data_api`

Name	Type	Description	Required
`override_endpoint`	`boolean`	Override Redshift Data API endpoint	`false`

`override_endpoint`

When `override_endpoint` is `true`

Name	Type	Description	Required
`data_api_endpoint`	`string`	Redshift Data API endpoint Example: https://redshift-data.us-west-2.amazonaws.com	`false`

Example

1 {
2   "name": "Redshift Serverless connection",
3   "type": "redshiftserverless",
4   "configuration": {
5     "connection_method": "data_api",
6     "database": "users",
7     "iam_role_arn": "arn:aws:iam::012345678910:role/role",
8     "override_endpoint": false,
9     "region": "us-west-2",
10     "s3_bucket_name": "my-bucket",
11     "s3_bucket_region": "us-west-2",
12     "use_bulk_sync_staging_schema": false,
13     "use_unload": false,
14     "workgroup": "default"
15   }
16 }

Read-only properties

Name	Type	Description	Required
`external_id`	`string`	External ID	`false`

Model Sync

Source

Configuration

Name	Type	Description	Required
`query`	`string`		`false`
`schema`	`string`	Schema	`false`
`table`	`string`	Table	`false`
`view`	`string`	View	`false`

Example

1 {
2   ...
3   "configuration": {
4     "query": "SELECT * FROM sampledata.users",
5     "schema": "sampledata",
6     "table": "users",
7     "view": "active_users"
8   }
9 }

Target

Redshift Serverless connections may be used as the destination in a model sync.

All targets

Configuration

Name	Type	Description	Required
`created_column`	`string`	’Created at’ timestamp column	`false`
`preserve_table_on_resync`	`boolean`	Preserve destination table when resyncing	`false`
`updated_column`	`string`	’Updated at’ timestamp column	`false`
`write_record_timestamps`	`boolean`	Write row timestamp metadata	`false`

Example

1 {
2   ...
3   "target": {
4       "configuration": {
5         "created_column": "",
6         "preserve_table_on_resync": false,
7         "updated_column": "",
8         "write_record_timestamps": false
9     }
10   }
11 }

Target creation

Redshift Serverless connections support creating a new target for a model sync. To create a new target, set target.new_name to the desired name.

Bulk Sync

Destination

Configuration

Name	Type	Description	Required
`advanced`	`object`		`false`
`mirror_schemas`	`boolean`	Mirror schemas	`false`
`schema`	`string`	Output schema	`false`

Example

1 {
2   ...
3   "destination_configuration": {
4     "advanced": {
5         "empty_strings_null": false,
6         "hard_deletes": false,
7         "table_prefix": "",
8         "truncate_existing": false
9     },
10     "mirror_schemas": false,
11     "schema": "schema"
12   }
13 }

Type handling

Destination types

POLYTOMIC TYPE	REDSHIFT SERVERLESS TYPE
`array<>`	`SUPER`
`bigint`	`BIGINT`
`boolean`	`BOOL`
`date`	`DATE`
`datetime`	`TIMESTAMP`
`decimal(precision, scale)`	`NUMERIC(precision,scale)`
`double`	`FLOAT8`
`int`	`INTEGER`
`json`	`SUPER`
`jsonarray`	`SUPER`
`number`	`NUMERIC(38,18)`
`object{}`	`SUPER`
`single`	`FLOAT4`
`smallint`	`SMALLINT`
`string`	`VARCHAR(MAX)`
`time`	`VARCHAR(255)`

Source types

REDSHIFT SERVERLESS TYPE	POLYTOMIC TYPE
`4000`	`json`
`BIGINT`	`bigint`
`BOOL`	`boolean`
`BOOLEAN`	`boolean`
`BPCHAR`	`string`
`CHAR`	`string`
`CHARACTER`	`string`
`CHARACTER VARYING`	`string`
`DATE`	`date`
`DECIMAL`	`number`
`DECIMAL(precision, scale)`	`decimal(precision, scale)`
`DOUBLE PRECISION`	`double`
`FLOAT`	`double`
`FLOAT4`	`single`
`FLOAT8`	`double`
`INT`	`int`
`INT2`	`smallint`
`INT4`	`int`
`INT8`	`bigint`
`INTEGER`	`int`
`NCHAR`	`string`
`NUMERIC`	`number`
`NUMERIC(precision, scale)`	`decimal(precision, scale)`
`NVARCHAR`	`string`
`REAL`	`single`
`SMALLINT`	`smallint`
`STRING`	`string`
`TEXT`	`string`
`TIME`	`time`
`TIME WITH TIME ZONE`	`time`
`TIME WITHOUT TIME ZONE`	`time`
`TIMESTAMP`	`datetime`
`TIMESTAMP WITH TIME ZONE`	`datetime_tz`
`TIMESTAMP WITHOUT TIME ZONE`	`datetime`
`TIMESTAMPTZ`	`datetime_tz`
`TIMETZ`	`time`
`VARCHAR`	`string`

Connection

Configuration

use_bulk_sync_staging_schema

When use_bulk_sync_staging_schema is true

connection_method

When connection_method is endpoint

When connection_method is data_api

override_endpoint

When override_endpoint is true

Example

Read-only properties

Model Sync

Source

Configuration

Example

Target

All targets

Configuration

Example

Target creation

Bulk Sync

Destination

Configuration

Example

Type handling

Destination types

Source types

`use_bulk_sync_staging_schema`

When `use_bulk_sync_staging_schema` is `true`

`connection_method`

When `connection_method` is `endpoint`

When `connection_method` is `data_api`

`override_endpoint`

When `override_endpoint` is `true`