41 words
substring(x, from) - JPA CriteriaBuilder's method
Methodjavax.persistence.criteria.CriteriaBuilder
Expression<String> substring(
Expression<String> x,
Expression<Integer> from
)
Create an expression for substring extraction.
Extracts a substring starting at the specified position
through to end of the string.
First position is 1.
- Parameters:
x- string expressionfrom- start position expression
- Returns:
- expression corresponding to substring extraction
- Since:
- JPA 2.0
This documentation page is derived (with some adjustments) from the open source JPA 2 RI (EclipseLink)
and is available under the terms of the Eclipse Public License, v. 1.0 and Eclipse Distribution License, v. 1.0.
and is available under the terms of the Eclipse Public License, v. 1.0 and Eclipse Distribution License, v. 1.0.
Object Relational Mapping (ORM) JPA 2 providers include Hibernate, EclipseLink, TopLink, OpenJPA and DataNucleus.
Object DB is not an ORM JPA implementation but an Object Database for Java with built in JPA 2 support.
Which JPA is Faster?
See a comparison of Hibernate, EclipseLink, OpenJPA, DataNucleus, MySQL, PostgreSQL, Derby, HSQLDB, DB4O by Versant, H2 Database, SQLite and ObjectDB
in the JPA Benchmark.
