Trino Data Source API Reference Guide

The trino endpoint allows you to connect and manage Trino data sources in Immuta.

Note

Additional fields may be included in some responses you receive; however, these attributes are for internal purposes and are therefore undocumented.

Trino workflow

Create a data source.
Get information about a data source.
Manage data sources.

Create a data source

EndpointQuery ParametersPayload ParametersResponse Parameters

Endpoint

Method	Path	Purpose
POST	`/trino/handler`	Save the provided connection information as a data source.

Query Parameters

None.

Payload Parameters

Attribute	Description	Required
private	`boolean` When `false`, the data source will be publicly available in the Immuta UI.	Yes
blobHandler	`array[object]` The parameters for this array include `scheme` (`"https"`) and `url` (an empty string).	Yes
blobHandlerType	`string` Describes the type of underlying blob handler that will be used with this data source (e.g., `MS SQL`).	Yes
recordFormat	`string` The data format of blobs in the data source, such as `json`, `xml`, `html`, or `jpeg`.	Yes
type	`string` The type of data source: `ingested` (metadata will exist in Immuta) or `queryable` (metadata is dynamically queried).	Yes
name	`string` The name of the data source. It must be unique within the Immuta tenant.	Yes
sqlTableName	`string` A string that represents this data source's table in the Query Engine.	Yes
organization	`string` The organization that owns the data source.	Yes
category	`string` The category of the data source.	No
description	`string` The description of the data source.	No
hasExamples	`boolean` When `true`, the data source contains examples.	No

Response Parameters

Attribute	Description
id	`integer` The handler ID.
dataSourceId	`integer` The ID of the data source.
warnings	`string` This message describes issues with the created data source, such as the data source being unhealthy.
connectionString	`string` The connection string used to connect the data source to Immuta.

Request example

This request creates a Trino data source.

curl \
    --request POST \
    --header "Content-Type: application/json" \
    --header "Authorization: Bearer dea464c07bd07300095caa8" \
    --data @example-payload.json \
    https://demo.immuta.com/trino/handler

Payload example

{
  "handler": {
    "metadata": {
      "staleDataTolerance": 86400,
      "schemaProjectName": "Public",
      "bodataSchemaName": "public",
      "columns": [{
        "name": "c_customer_sk",
        "dataType": "integer",
        "remoteType": "integer",
        "nullable": true
      }, {
        "name": "c_customer_id",
        "dataType": "text",
        "remoteType": "char(16)",
        "nullable": true
      }, {
        "name": "c_current_cdemo_sk",
        "dataType": "integer",
        "remoteType": "integer",
        "nullable": true
      }, {
        "name": "c_current_hdemo_sk",
        "dataType": "integer",
        "remoteType": "integer",
        "nullable": true
      }, {
        "name": "c_current_addr_sk",
        "dataType": "integer",
        "remoteType": "integer",
        "nullable": true
      }, {
        "name": "c_first_shipto_date_sk",
        "dataType": "integer",
        "remoteType": "integer",
        "nullable": true
      }, {
        "name": "c_first_sales_date_sk",
        "dataType": "integer",
        "remoteType": "integer",
        "nullable": true
      }, {
        "name": "c_salutation",
        "dataType": "text",
        "remoteType": "varchar(10)",
        "nullable": true
      }, {
        "name": "c_first_name",
        "dataType": "text",
        "remoteType": "varchar(20)",
        "nullable": true
      }, {
        "name": "c_last_name",
        "dataType": "text",
        "remoteType": "varchar(30)",
        "nullable": true
      }, {
        "name": "c_preferred_cust_flag",
        "dataType": "text",
        "remoteType": "char(1)",
        "nullable": true
      }, {
        "name": "c_birth_day",
        "dataType": "integer",
        "remoteType": "integer",
        "nullable": true
      }, {
        "name": "c_birth_month",
        "dataType": "integer",
        "remoteType": "integer",
        "nullable": true
      }, {
        "name": "c_birth_year",
        "dataType": "integer",
        "remoteType": "integer",
        "nullable": true
      }, {
        "name": "c_birth_country",
        "dataType": "text",
        "remoteType": "varchar(20)",
        "nullable": true
      }, {
        "name": "c_login",
        "dataType": "text",
        "remoteType": "char(13)",
        "nullable": true
      }, {
        "name": "c_email_address",
        "dataType": "text",
        "remoteType": "varchar(50)",
        "nullable": true
      }, {
        "name": "c_last_review_date",
        "dataType": "text",
        "remoteType": "varchar(10)",
        "nullable": true
      }],
      "hostname": "example-trino.host.io",
      "port": 8080,
      "ssl": false,
      "authenticationMethod": "No Authentication",
      "connectionStringOptions": "",
      "userFiles": [],
      "database": "public",
      "sid": "postgres",
      "table": "customer",
      "schema": "public",
      "bodataTableName": "customer",
      "dataSourceName": "Customer"
    }
  },
  "dataSource": {
    "blobHandler": {
      "scheme": "https",
      "url": ""
    },
    "blobHandlerType": "Trino",
    "recordFormat": "",
    "type": "queryable",
    "schemaEvolutionId": null,
    "columnEvolutionEnabled": true,
    "name": "Customer",
    "sqlTableName": "customer"
  },
  "schemaEvolution": {
    "ownerProfileId": 1,
    "config": {
      "nameTemplate": {
        "nameFormat": "<Tablename>",
        "tableFormat": "<tablename>",
        "sqlSchemaNameFormat": "<schema>",
        "schemaProjectNameFormat": "<Schema>"
      }
    },
    "schemas": []
  }
}

Response example

{
  "id": 1,
  "dataSourceId": 1,
  "dataSource": {
    "blobHandler": {
      "accessKey": "REDACTED",
      "url": "https://REDACTED/trino/handler/1",
      "ca": ["-----BEGIN CERTIFICATE-----\nyourdXRhIENcertificate\n-----END CERTIFICATE-----"],
      "manualDictionary": false
    },
    "blobHandlerType": "Trino",
    "recordFormat": "Not Provided",
    "type": "queryable",
    "schemaEvolutionId": 1,
    "columnEvolutionEnabled": true,
    "name": "Customer",
    "sqlTableName": "customer",
    "sqlSchemaName": "public",
    "workspace": null,
    "rowCount": 0,
    "seeded": false,
    "owner": {},
    "documentation": "# Customer",
    "statsExpiration": "2022-07-19T18:55:21.300Z",
    "recordCount": 0,
    "createdBy": 1,
    "policyHandler": null,
    "subscriptionType": "manual",
    "id": 1,
    "description": null,
    "deleted": false,
    "policyHandlerType": "None",
    "subscriptionPolicy": null,
    "globalPolicies": null,
    "status": null,
    "statusInfo": null,
    "catalogMetadata": null,
    "createdAt": "2022-07-19T18:55:21.302Z",
    "updatedAt": "2022-07-19T18:55:21.302Z",
    "tags": []
  },
  "warnings": []
}

Get information about a data source

EndpointQuery ParametersResponse Parameters

Endpoint

Method	Path	Purpose
GET	`/trino/handler/{handlerId}`	Get the handler metadata associated with the provided handler ID.

Query Parameters

Attribute	Description	Required
handlerId	`integer` The ID of the handler.	Yes
skipCache	`boolean` When `true`, will skip the handler cache when retrieving metadata.	No

Response Parameters

Attribute	Description
body	`array[object]` Metadata about the data source, including the data source ID, schema, database, and connection string.

Request example

This request returns metadata for the handler with the ID 1.

curl \
    --request GET \
    --header "Content-Type: application/json" \
    --header "Authorization: Bearer dea464c07bd07300095caa8" \
    https://demo.immuta.com/trino/handler/1

Response example

{
  "dataSourceId": 1,
  "metadata": {
    "sid": "postgres",
    "ssl": false,
    "port": 8080,
    "query": null,
    "table": "customer",
    "schema": "public",
    "database": "public",
    "hostname": "trino-example-database.io",
    "ephemeral": true,
    "eventTime": null,
    "userFiles": [],
    "dataSourceName": "Customer",
    "bodataTableName": "customer",
    "highCardinality": "c_customer_sk",
    "bodataSchemaName": "public",
    "columnsNormalized": false,
    "schemaProjectName": "Public",
    "staleDataTolerance": 0,
    "authenticationMethod": "No Authentication",
    "connectionStringOptions": null
  },
  "type": "queryable",
  "connectionString": "trino-example-database.io:8080/postgres/public",
  "id": 1,
  "createdAt": "2022-07-19T18:55:21.220Z",
  "updatedAt": "2022-07-19T18:55:23.466Z",
  "dbms": {
    "name": "trino"
  }
}

Manage data sources

Method	Path	Purpose
PUT	`/trino/handler/{handlerId}`	Update the data source metadata associated with the provided handler ID. This endpoint does not perform partial updates, but will allow the dictionary to be omitted. In this case, it uses the current dictionary.
PUT	`/trino/bulk`	Update the data source metadata associated with the provided connection string.
PUT	`/trino/handler/{handlerId}/triggerHighCardinalityJob`	Recalculate the high cardinality column for the specified data source.
PUT	`/trino/handler/{handlerId}/refreshNativeViewJob`	Refresh the native view of a data source.

Update a specific data source

EndpointQuery ParametersPayload ParametersResponse Parameters

Endpoint

Method	Path	Purpose
PUT	`/trino/handler/{handlerId}`	Update the data source metadata associated with the provided handler ID. This endpoint does not perform partial updates, but will allow the dictionary to be omitted. In this case, it uses the current dictionary.

Query Parameters

Attribute	Description	Required
handlerId	`integer` The ID of the handler.	Yes
skipCache	`boolean` When `true`, will skip the handler cache when retrieving metadata.	No

Payload Parameters

Attribute	Description	Required
handler	`metadata` Includes metadata about the handler, such as `ssl`, `port`, `database`, `hostname`, `username`, and `password`.	Yes
connectionString	`string` The connection string used to connect to the data source.	Yes

Response Parameters

Attribute	Description
id	`integer` The ID of the handler.
ca	`string` The certificate authority.
columns	`array[object]` This is a Data Dictionary object, which provides metadata about the columns in the data source, including the name and data type of the column.

Request example

This request updates the data source name to Marketing Data for the data source with the handler ID 1.

curl \
    --request PUT \
    --header "Content-Type: application/json" \
    --header "Authorization: Bearer dea464c07bd07300095caa8" \
    --data @example-payload.json \
    https://demo.immuta.com/trino/handler/1

Payload example

{
  "handler": {
    "policyHandler": null,
    "dataSourceId": 1,
    "metadata": {
      "sid": "postgres",
      "ssl": false,
      "port": 8080,
      "query": null,
      "table": "customer",
      "schema": "public",
      "database": "public",
      "hostname": "trino-example.io",
      "ephemeral": true,
      "eventTime": null,
      "userFiles": [],
      "dataSourceName": "Marketing Data",
      "bodataTableName": "customer",
      "highCardinality": "c_customer_sk",
      "bodataSchemaName": "public",
      "columnsNormalized": false,
      "schemaProjectName": "Public",
      "staleDataTolerance": 0,
      "authenticationMethod": "No Authentication",
      "connectionStringOptions": "",
      "columns": [{
        "name": "c_customer_sk",
        "dataType": "integer",
        "remoteType": "integer",
        "nullable": true
      }, {
        "name": "c_customer_id",
        "dataType": "text",
        "remoteType": "char(16)",
        "nullable": true
      }, {
        "name": "c_current_cdemo_sk",
        "dataType": "integer",
        "remoteType": "integer",
        "nullable": true
      }, {
        "name": "c_current_hdemo_sk",
        "dataType": "integer",
        "remoteType": "integer",
        "nullable": true
      }, {
        "name": "c_current_addr_sk",
        "dataType": "integer",
        "remoteType": "integer",
        "nullable": true
      }, {
        "name": "c_first_shipto_date_sk",
        "dataType": "integer",
        "remoteType": "integer",
        "nullable": true
      }, {
        "name": "c_first_sales_date_sk",
        "dataType": "integer",
        "remoteType": "integer",
        "nullable": true
      }, {
        "name": "c_salutation",
        "dataType": "text",
        "remoteType": "varchar(10)",
        "nullable": true
      }, {
        "name": "c_first_name",
        "dataType": "text",
        "remoteType": "varchar(20)",
        "nullable": true
      }, {
        "name": "c_last_name",
        "dataType": "text",
        "remoteType": "varchar(30)",
        "nullable": true
      }, {
        "name": "c_preferred_cust_flag",
        "dataType": "text",
        "remoteType": "char(1)",
        "nullable": true
      }, {
        "name": "c_birth_day",
        "dataType": "integer",
        "remoteType": "integer",
        "nullable": true
      }, {
        "name": "c_birth_month",
        "dataType": "integer",
        "remoteType": "integer",
        "nullable": true
      }, {
        "name": "c_birth_year",
        "dataType": "integer",
        "remoteType": "integer",
        "nullable": true
      }, {
        "name": "c_birth_country",
        "dataType": "text",
        "remoteType": "varchar(20)",
        "nullable": true
      }, {
        "name": "c_login",
        "dataType": "text",
        "remoteType": "char(13)",
        "nullable": true
      }, {
        "name": "c_email_address",
        "dataType": "text",
        "remoteType": "varchar(50)",
        "nullable": true
      }, {
        "name": "c_last_review_date",
        "dataType": "text",
        "remoteType": "varchar(10)",
        "nullable": true
      }]
    },
    "type": "queryable",
    "connectionString": "trino-example.io:8080/postgres/public",
    "id": 1,
    "createdAt": "2022-07-19T18:55:21.220Z",
    "updatedAt": "2022-07-19T18:55:23.466Z",
    "dbms": {
      "name": "trino"
    }
  }
}

Response example

{
  "id": 1,
  "ca": ["-----BEGIN CERTIFICATE-----\nMIIuyourcertificate\n-----END CERTIFICATE-----"],
  "metadata": {
    "columns": [{
      "name": "c_customer_sk",
      "dataType": "integer",
      "remoteType": "integer",
      "nullable": true
    }, {
      "name": "c_customer_id",
      "dataType": "text",
      "remoteType": "char(16)",
      "nullable": true
    }, {
      "name": "c_current_cdemo_sk",
      "dataType": "integer",
      "remoteType": "integer",
      "nullable": true
    }, {
      "name": "c_current_hdemo_sk",
      "dataType": "integer",
      "remoteType": "integer",
      "nullable": true
    }, {
      "name": "c_current_addr_sk",
      "dataType": "integer",
      "remoteType": "integer",
      "nullable": true
    }, {
      "name": "c_first_shipto_date_sk",
      "dataType": "integer",
      "remoteType": "integer",
      "nullable": true
    }, {
      "name": "c_first_sales_date_sk",
      "dataType": "integer",
      "remoteType": "integer",
      "nullable": true
    }, {
      "name": "c_salutation",
      "dataType": "text",
      "remoteType": "varchar(10)",
      "nullable": true
    }, {
      "name": "c_first_name",
      "dataType": "text",
      "remoteType": "varchar(20)",
      "nullable": true
    }, {
      "name": "c_last_name",
      "dataType": "text",
      "remoteType": "varchar(30)",
      "nullable": true
    }, {
      "name": "c_preferred_cust_flag",
      "dataType": "text",
      "remoteType": "char(1)",
      "nullable": true
    }, {
      "name": "c_birth_day",
      "dataType": "integer",
      "remoteType": "integer",
      "nullable": true
    }, {
      "name": "c_birth_month",
      "dataType": "integer",
      "remoteType": "integer",
      "nullable": true
    }, {
      "name": "c_birth_year",
      "dataType": "integer",
      "remoteType": "integer",
      "nullable": true
    }, {
      "name": "c_birth_country",
      "dataType": "text",
      "remoteType": "varchar(20)",
      "nullable": true
    }, {
      "name": "c_login",
      "dataType": "text",
      "remoteType": "char(13)",
      "nullable": true
    }, {
      "name": "c_email_address",
      "dataType": "text",
      "remoteType": "varchar(50)",
      "nullable": true
    }, {
      "name": "c_last_review_date",
      "dataType": "text",
      "remoteType": "varchar(10)",
      "nullable": true
    }]
  }
}

Update multiple data sources

EndpointQuery ParametersPayload ParametersResponse Parameters

Endpoint

Method	Path	Purpose
PUT	`/trino/bulk`	Update the data source metadata associated with the provided connection string.

Query Parameters

None.

Payload Parameters

Attribute	Description	Required
handler	`metadata` Includes metadata about the handler, such as `ssl`, `port`, `database`, `hostname`, `username`, and `password`.	Yes
connectionString	`string` The connection string used to connect to the data sources.	Yes

Response Parameters

Attribute	Description
bulkId	`string` The ID of the bulk data source update.
connectionString	`string` The connection string shared by the data sources bulk updated.
jobsCreated	`integer` The number of jobs that ran to update the data sources; this number corresponds to the number of data sources updated.

Request example

This request updates the metadata for all data sources with the connection string specified in example-payload.json.

curl \
    --request PUT \
    --header "Content-Type: application/json" \
    --header "Authorization: Bearer dea464c07bd07300095caa8" \
    --data @example-payload.json \
    https://demo.immuta.com/trino/bulk

Payload example

The payload below adds a certificate (certificate.json) to the data sources with the provided connection.

{
  "handler": {
    "metadata": {
      "sid": "postgres",
      "ssl": false,
      "port": 8080,
      "database": "public",
      "hostname": "trino-example.io",
      "userFiles": [{
        "keyName": "certificate",
        "filename": "576d8b38e9e8bc3749599489408a0b9f605b2a8d.md",
        "userFilename": "certificate.json"
      }],
      "authenticationMethod": "No Authentication",
      "connectionStringOptions": ""
    }
  },
  "connectionString": "trino-example.io:8080/postgres/public"
}

Response example

{
  "bulkId": "bulk_ds_update_657dd563e6e746069bf040de5e6909a9",
  "connectionString": "trino-example.io:8080/postgres/public",
  "jobsCreated": 4
}

Recalculate the high cardinality column for a data source

EndpointQuery ParametersResponse Parameters

Endpoint

Method	Path	Purpose
PUT	`/trino/handler/{handlerId}/triggerHighCardinalityJob`	Recalculate the high cardinality column for the specified data source.

Query Parameters

Attribute	Description	Required
handlerId	`integer` The ID of the handler.	Yes

Response Parameters

The response returns a string of characters that identify the high cardinality job run.

Request example

This request re-runs the job that calculates the high cardinality column for the data source with the handler ID 30.

curl \
    --request PUT \
    --header "Content-Type: application/json" \
    --header "Authorization: Bearer dea464c07bd07300095caa8" \
    https://demo.immuta.com/trino/handler/30/triggerHighCardinalityJob

Response example

f6ac1ad0-26d0-11ec-8078-d36bbf5b90fb

Refresh a native view

EndpointQuery ParametersResponse Parameters

Endpoint

Method	Path	Purpose
PUT	`/trino/handler/{handlerId}/refreshNativeViewJob`	Refresh the native view of a data source.

Query Parameters

Attribute	Description	Required
handlerId	`integer` The ID of the handler.	Yes

Response Parameters

The response returns a string of characters that identifies the refresh view job run.

Request example

This request refreshes the view for the data source with the handler ID 7.

curl \
    --request PUT \
    --header "Content-Type: application/json" \
    --header "Authorization: Bearer dea464c07bd07300095caa8" \
    https://demo.immuta.com/trino/handler/7/refreshNativeViewJob

Response example

53c256d0-eb57-11ec-b275-d95a8e998142