Arc

Arc is a data platform with multiple connection options.

Installation

Required packages: arc-superset-arrow

Drivers

Apache Arrow (Recommended)Recommended

JSON

PyPI Package: arc-superset-arrow

arc+arrow://{api_key}@{hostname}:{port}/{database}

Recommended for production. Provides 3-5x better performance using Apache Arrow IPC.

Supported Features

JOINsSubqueriesDynamic SchemaCatalog SupportDynamic CatalogSSH TunnelingQuery CancellationFile UploadUser ImpersonationCost EstimationSQL Validation

Feature Score: 28/201

Time Grains

Common Time Grains:

SECONDMINUTEHOURDAYWEEKMONTHQUARTERYEAR

Extended Time Grains:

FIVE_SECONDSTHIRTY_SECONDSFIVE_MINUTESTEN_MINUTESFIFTEEN_MINUTESTHIRTY_MINUTESHALF_HOURSIX_HOURSWEEK_STARTING_SUNDAYWEEK_STARTING_MONDAYWEEK_ENDING_SATURDAYWEEK_ENDING_SUNDAYQUARTER_YEAR

Extended Aggregate Functions

The base aggregates (SUM, COUNT, AVG, MIN, MAX, COUNT DISTINCT) are supported everywhere; these are opt-in per engine.

MEDIANSTDDEV_SAMPVAR_SAMP

Notes

Arc supports multiple databases (schemas) within a single instance. Each Arc database appears as a schema in SQL Lab.

Help improve this documentation by editing the engine spec:

Edit arc.py