Apache Tajo
Introduction
Getting Started
Prerequisites
Dowload and unpack the source code
Build source code
Setting up a local Tajo cluster
First query execution
Configuration
Preliminary
Cluster Setup
Tajo Master Configuration
Worker Configuration
Catalog Configuration
High Availability for TajoMaster
Cluster Service Configuration Defaults
The tajo-site.xml File
The catalog-site.xml File
The storage-site.json File
Tajo Shell (TSQL)
Meta Commands
Executing HDFS commands
Session Variables
Administration Commands
Introducing to TSQL
Executing a single command
Executing Queries from Files
Executing as background process
SQL Language
Data Model
Data Definition Language
INSERT (OVERWRITE) INTO
ALTER TABLE
Queries
Joins
SQL Expressions
Predicates
EXPLAIN
Time Zone
Server Cluster Time Zone
Table Time Zone
Client Time Zone
Time Zone ID
Examples of Time Zone
Functions
Built-in Scalar Functions
Built-in Aggregation Functions
Built-in Window Functions
User-defined Functions
Table Management
Overview of Tajo Tables
Tablespaces
Data Formats
Compression
Table Partitioning
Introduction to Partitioning
Column Partitioning
Range Partitioning
Hash Partitioning
Storage Plugin
Storage Plugin Overview
PostgreSQL Storage Handler
Index (Experimental Feature)
Index Types
How to use index?
Future Works
Backup and Restore
Backup and Restore Catalog
Hive Integration
HBase Integration
CREATE TABLE
DROP TABLE
INSERT (OVERWRITE) INTO
Usage
OpenStack Swift Integration
Swift configuration
Hadoop configurations
Tajo configuration
Querying on Swift
Tajo JDBC Driver
How to get JDBC driver
Setting the CLASSPATH
Connecting to the Tajo cluster instance
Connection Parameters
An Example JDBC Client
Tajo Client API
FAQ
Apache Tajo
Docs
»
Index (Experimental Feature)
»
Future Works
View page source
Future Works
ΒΆ
Supporting more index types, such as bitmap and HBase index
Supporting index on partitioned tables
Cost-based query optimization by estimating the query selectivity