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Transformation Engine

Query Engine

Overview

Get started

Get started
Install self-managed
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Connect data

Register and manage catalogs
Troubleshooting catalogs

Run clusters

Create and manage clusters
Cluster sizing and scaling
Suspend and resume
Zero-downtime upgrades
CloudPrem cluster operations
CloudPrem
Lifecycle states and error codes
Troubleshooting clusters

Query

Query editor
Run queries and view results
Query history and saved queries
Query across catalogs and schemas
Query performance basics

Connect your tools

Connecting to the engine
One-endpoint / three-protocols model
Python connector
JDBC
PostgreSQL protocol
REST API for SQL queries

Secure and govern

Data governance overview
Catalog-level access control
Data access policies
Mask columns
Filter rows
Relationship to platform RBAC
Audit Log
FAQs

Troubleshoot

Reference

Query limits
Cluster limits

Concepts

How Query Engine works
Architecture overview
High-level Architecture
Hybrid Data Lakehouse

Reference
SQL reference
SQL functions
Bitmap functions

Bitmap functions

Work with bitmaps.

Work with bitmaps.

Function	Type	What it does
`bitmap_count`	Scalar	Counts the set bits in binary bitmap data.

Last modified on November 3, 2026

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