sql.hint

Use eclipselink.sql.hint to include an SQL hint in the SQL for a query.

Values

Table 4-39 describes this query hint's values.

Table 4-39 Valid Values for sql.hint

Value Description

value

The full hint string, including the comment \ delimiters


Usage

A SQL hint can be used on certain database platforms to define how the query uses indexes and other such low level usages. The SQL hint will be included in the SQL, after the SELECT/INSERT/UPDATE/DELETE command.

Examples

Example 4-79 shows how to use this hint in a JPA query.

Example 4-79 Using sql.hint in a JPA Query


Example 4-80 shows how to use this hint with the @QueryHint annotation.

Example 4-80 Using sql.hint in a @QueryHint Annotation


See Also

For more information, see:

  • "Query Hints" in Understanding Oracle TopLink

  • "Query" in Solutions Guide for Oracle TopLink

  • Section 10.3.1 "NamedQuery Annotation" in the JPA Specification (http://jcp.org/en/jsr/detail?id=317)