- Apache Tajo Tutorial
- Apache Tajo - Home
- Apache Tajo - Introduction
- Apache Tajo - Architecture
- Apache Tajo - Installation
- Apache Tajo - Configuration Settings
- Apache Tajo - Shell Commands
- Apache Tajo - Data Types
- Apache Tajo - Operators
- Apache Tajo - SQL Functions
- Apache Tajo - Math Functions
- Apache Tajo - String Functions
- Apache Tajo - DateTime Functions
- Apache Tajo - JSON Functions
- Apache Tajo - Database Creation
- Apache Tajo - Table Management
- Apache Tajo - SQL Statements
- Aggregate & Window Functions
- Apache Tajo - SQL Queries
- Apache Tajo - Storage Plugins
- Integration with HBase
- Apache Tajo - Integration with Hive
- OpenStack Swift Integration
- Apache Tajo - JDBC Interface
- Apache Tajo - Custom Functions
- Apache Tajo Useful Resources
- Apache Tajo - Quick Guide
- Apache Tajo - Useful Resources
- Apache Tajo - Discussion
json_extract_path_text()
Let us now check the json_extract_path_text(json text, json_path text) function with the following query.
Query
default> select json_extract_path_text('{"tutorial" : {"key" : "tajo"}}','$.tutorial.key') as path;
Result
The above query will generate the following result.
path ------------------------------- tajo
The query extracts the JSON string “tutorial” from a JSON string based on the JSON path.
apache_tajo_json_functions.htm
Advertisements