This page describes an older version of the product. The latest stable version is 15.8.

Querying the Space

This section explains the various mechanisms offered by GigaSpaces XAP to query the space for data, as well as related topics, such as how to use indexing to boost query performance and how the space can be iterated to fetch entries more efficiently.

  • Id Queries
    Id Based query - Primary Key based object retrieval from space.

  • Query by template
    Template matching (a.k.a. Match by example) is a simple way to query the space.

  • SQL Query
    The SQLQuery class is used to query the space using SQL-like syntax.

  • Nested property queries
    Query nested properties, maps and collections using SQL queries

  • Query with user defined classes
    Query by matching a user defined class.

  • Paging support
    Reading large number of objects using multiple queries in one call in a continuous manner.

  • Partial results
    Obtaining partial results when querying the space to improve application performance and reduce memory footprint.

Additional Resources