Create a Presto Data Source

Presto API reference guide

This page describes the presto (Presto data sources) endpoint.

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

Presto workflow

1. Create a Presto data source.

2. Search Presto data sources.

3. Update Presto data sources.

Create a data source

POST /presto/handler

Save the provided connection information as a data source.

Payload parameters

Attribute	Description	Required
private	boolean When false, the data source will be publicly available in the Immuta UI.	Yes
blobHandler	array[object] A list of full URLs providing the locations of all blob store handlers to use with this data source.	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 instance.	Yes
sqlTableName	string A string that represents this data source's table in Immuta.	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 Presto data source.

curl \
    --request POST \
    --header "Content-Type: application/json" \
    --header "Authorization: Bearer dea464c07bd07300095caa8" \
    --data @example-payload.json \
    https://demo.immuta.com/presto/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-presto.host.io",
      "port": 8080,
      "ssl": false,
      "authenticationMethod": "No Authentication",
      "connectionStringOptions": "",
      "userFiles": [],
      "database": "your_database",
      "sid": "postgres",
      "table": "customer",
      "schema": "public",
      "bodataTableName": "customer",
      "dataSourceName": "Customer"
    }
  },
  "dataSource": {
    "blobHandler": {
      "scheme": "https",
      "url": ""
    },
    "blobHandlerType": "Presto",
    "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

{
  "connectionString": "your-username@us-east-1/tpc"
  "id": 1,
  "dataSourceId": 1,
  "dataSource": {
    "blobHandler": {
      "accessKey": "REDACTED",
      "url": "https://REDACTED/presto/handler/1",
      "ca": ["-----BEGIN CERTIFICATE-----\nyourdXRhIENcertificate\n-----END CERTIFICATE-----"],
      "manualDictionary": false
    },
    "blobHandlerType": "Presto",
    "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,
    "expiration": null,
    "catalogMetadata": null,
    "sddTemplate": null,
    "createdAt": "2022-07-19T18:55:21.302Z",
    "updatedAt": "2022-07-19T18:55:21.302Z",
    "tags": []
  },
  "warnings": []
}

Search Presto data sources

Search for handler metadata

GET /presto/handler/{handlerId}

Get the handler metadata associated with the provided handler ID.

Query parameters

Attribute	Description	Required
handlerId	integer The specific handler ID.	Yes
skipCache	boolean If true the handler cache will be skipped when retrieving the handler data.	No

Response parameters

Attribute	Description
dataSourceId	integer The data source ID.
value	metadata Details regarding the handler.

Request example

The following request returns the handler metadata associated with the provided handler ID.

curl \
    --request GET \
    --header "Content-Type: application/json" \
    --header "Authorization: Bearer dea464c07bd07300095caa8" \
    https://your-immuta-url.com/presto/handler/67

Response example

{
  "dataSourceId": 67,
  "metadata": {
    "ssl": true,
    "port": 1433,
    "query": null,
    "table": "table_108",
    "schema": "elliott_dev",
    "database": "your_database",
    "hostname": "example-presto.host.io",
    "username": "your-username",
    "eventTime": null,
    "dataSourceName": "Dev Table 108",
    "bodataTableName": "table_108",
    "disableClassify": false,
    "highCardinality": "col_1",
    "bodataSchemaName": "dev",
    "columnsNormalized": false,
    "schemaProjectName": "Dev",
    "staleDataTolerance": 2592000
  },
  "type": "odbcHandler",
  "connectionString": "[email protected]:1433/your_database",
  "id": 67,
  "createdAt": "2021-09-17T14:15:10.256Z",
  "updatedAt": "2021-09-17T14:15:19.547Z",
  "dbms": {
    "name": "presto"
  }
}

Update Presto data sources

Endpoint	Purpose
/presto/handler/{handlerId}	Updates the handler metadata associated with the provided handler ID.
/presto/bulk	Updates the data source metadata associated with the provided connection string.
/presto/handler/{handlerId}/triggerHighCardinalityJob	Recalculates the high cardinality column for the provided handler ID.

Update handler metadata

PUT /presto/handler/{handlerId}

Updates the handler 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 specific handler ID.	Yes
skipCache	boolean If true the handler cache will be skipped when retrieving the handler data.	No

Response parameters

Attribute	Description
dataSourceId	integer The data source ID.
body	array[object] Details regarding the handler, including schema, name format, and data source metadata.

Request example

This request updates the data source name to Marketing Data for the data source with the handler ID 67.

curl \
    --request PUT \
    --header "Content-Type: application/json" \
    --header "Authorization: Bearer dea464c07bd07300095caa8" \
    --data @example_payload.json
    https://your-immuta-url.com/presto/handler/67

Request payload example

{
  "handler": {
    "policyHandler": null,
    "dataSourceId": 67,
    "metadata": {
      "sid": "postgres",
      "ssl": false,
      "port": 8080,
      "query": null,
      "table": "customer",
      "schema": "public",
      "database": "your_database",
      "hostname": "presto-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": "odbcHandler",
    "connectionString": "presto-example.io:8080/postgres/public",
    "id": 1,
    "createdAt": "2022-07-19T18:55:21.220Z",
    "updatedAt": "2022-07-19T18:55:23.466Z",
    "dbms": {
      "name": "presto"
    }
  }
}

Response example

{
  "id": 67,
  "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

PUT /presto/bulk

Updates the data source metadata associated with the provided connection string.

Query parameters

Attribute	Description	Required
body	array[object] This payload includes data source metadata and specifies the connection string.	Yes

Response parameters

Attribute	Description
bulkId	integer The bulk handler metadata ID.
connectionString	string The specified connection string.
jobsCreated	integer Number of jobs created.

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/presto/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": "your_database",
      "hostname": "presto-example.io",
      "userFiles": [{
        "keyName": "certificate",
        "filename": "576d8b38e9e8bc3749599489408a0b9f605b2a8d.md",
        "userFilename": "certificate.json"
      }],
      "authenticationMethod": "No Authentication",
      "connectionStringOptions": ""
    }
  },
  "connectionString": "presto-example.io:8080/postgres/your_database"
}

Response example

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

Recalculate high cardinality columns

PUT /presto/handler/{handlerId}/triggerHighCardinalityJob

Recalculates the high cardinality column for the provided handler ID.

Query parameters

Attribute	Description	Required
handlerId	integer The specific handler ID.	Yes

Response parameters

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

Request example

The following request recalculates the high cardinality column for the provided handler ID.

curl \
    --request PUT \
    --header "Content-Type: application/json" \
    --header "Authorization: Bearer dea464c07bd07300095caa8" \
    https://your-immuta-url.com/presto/handler/67/triggerHighCardinalityJob

Response example

25424a50-17df-11ec-b388-0fe1d33b5af1