public interface SelectSeekLimitStep<R extends Record> extends SelectForUpdateStep<R>
Select's DSL API when selecting generic
Record types.
Example:
-- get all authors' first and last names, and the number
-- of books they've written in German, if they have written
-- more than five books in German in the last three years
-- (from 2011), and sort those authors by last names
-- limiting results to the second and third row
SELECT T_AUTHOR.FIRST_NAME, T_AUTHOR.LAST_NAME, COUNT(*)
FROM T_AUTHOR
JOIN T_BOOK ON T_AUTHOR.ID = T_BOOK.AUTHOR_ID
WHERE T_BOOK.LANGUAGE = 'DE'
AND T_BOOK.PUBLISHED > '2008-01-01'
GROUP BY T_AUTHOR.FIRST_NAME, T_AUTHOR.LAST_NAME
HAVING COUNT(*) > 5
ORDER BY T_AUTHOR.LAST_NAME ASC NULLS FIRST
LIMIT 2
OFFSET 1
FOR UPDATE
OF FIRST_NAME, LAST_NAME
NO WAIT
create.select(TAuthor.FIRST_NAME, TAuthor.LAST_NAME, create.count())
.from(T_AUTHOR)
.join(T_BOOK).on(TBook.AUTHOR_ID.equal(TAuthor.ID))
.where(TBook.LANGUAGE.equal("DE"))
.and(TBook.PUBLISHED.greaterThan(parseDate('2008-01-01')))
.groupBy(TAuthor.FIRST_NAME, TAuthor.LAST_NAME)
.having(create.count().greaterThan(5))
.orderBy(TAuthor.LAST_NAME.asc().nullsFirst())
.limit(2)
.offset(1)
.forUpdate()
.of(TAuthor.FIRST_NAME, TAuthor.LAST_NAME)
.noWait();
| Modifier and Type | Method and Description |
|---|---|
SelectForUpdateStep<R> |
limit(int numberOfRows)
Add a
LIMIT clause to the query. |
SelectForUpdateStep<R> |
limit(Param<java.lang.Integer> numberOfRows)
Add a
LIMIT clause to the query using named parameters. |
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LIMIT clause to the query.
If there is no LIMIT or TOP clause in your
RDBMS, this may be simulated with a ROW_NUMBER() window
function and nested SELECT statements.
@Support(value={CUBRID,DB2,DERBY,FIREBIRD,H2,HSQLDB,MARIADB,MYSQL,ORACLE,POSTGRES,SQLITE,SQLSERVER,SYBASE}) SelectForUpdateStep<R> limit(Param<java.lang.Integer> numberOfRows)
LIMIT clause to the query using named parameters.
Note that some dialects do not support bind values at all in
LIMIT or TOP clauses!
If there is no LIMIT or TOP clause in your
RDBMS, or the LIMIT or TOP clause does not
support bind values, this may be simulated with a
ROW_NUMBER() window function and nested SELECT
statements.
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