| The jOOQ User Manual : SQL building : SQL Statements (DML) : The SELECT statement : Oracle-style hints | previous : next |
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Oracle-style hints
Applies to ✅ Open Source Edition ✅ Express Edition ✅ Professional Edition ✅ Enterprise Edition
If you are closely coupling your application to an Oracle database, you might need to be able to pass hints of the form /*+HINT*/ with your SQL statements to the Oracle database. For example:
SELECT /*+ALL_ROWS*/ FIRST_NAME, LAST_NAME FROM AUTHOR
This can be done in jOOQ using the .hint() clause in your SELECT statement:
create.select(AUTHOR.FIRST_NAME, AUTHOR.LAST_NAME)
.hint("/*+ALL_ROWS*/")
.from(AUTHOR)
.fetch();
Note that you can pass any string in the .hint() clause. If you use that clause, the passed string will always be put in between the SELECT [DISTINCT] keywords and the actual projection list. This can be useful in other databases too, such as MySQL, for instance:
SELECT SQL_CALC_FOUND_ROWS field1, field2 FROM table1
create.select(field1, field2)
.hint("SQL_CALC_FOUND_ROWS")
.from(table1)
.fetch()
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