[Hibernate-issues] [Hibernate-JIRA] Created: (HB-131) Select...Limit syntax changed from PostgreSQL 6.5 to 7.0

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  A new issue has been created in JIRA.

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  http://opensource.atlassian.com/projects/hibernate/secure/ViewIssue.jspa?key=HB-131


Here is an overview of the issue:
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        Key: HB-131
    Summary: Select...Limit syntax changed from PostgreSQL 6.5 to 7.0
       Type: Improvement

     Status: Unassigned
   Priority: Major

    Project: Hibernate2
 Components: 
             core
   Versions:
             2.0rc2
             2.1
             2.0 final
             2.0.1

   Assignee: 
   Reporter: Jesse McLaughlin

    Created: Thu, 12 Jun 2003 12:16 AM
    Updated: Thu, 12 Jun 2003 12:16 AM

Description:
Using the

Query.setMaxResults(); 

method with the PostgreSQL dialect while using PostgreSQL version >= 7.0 causes the following error: 

14:20:31,140 ERROR [JDBCExceptionReporter] Could not execute query 
java.sql.SQLException: ERROR: LIMIT #,# syntax not supported. 
Use separate LIMIT and OFFSET clauses. 

PostgreSQLDialect.java reads: 

public String getLimitString(String sql) { 
  StringBuffer pagingSelect = new StringBuffer(100); 
  pagingSelect.append(sql); 
  pagingSelect.append(" limit ?, ?"); 
  return pagingSelect.toString(); 
} 

However, the Select..Limit syntax has changed from PostgreSQL 7.0, refer:

SELECT

PostgreSQL 6.5 Synopsis

http://www.postgresql.org/docs/view.php?version=6.5&idoc=1&file=sql-select.htm

SELECT [ALL|DISTINCT [ON column] ]
    expression [ AS
   name ] [, ...]
    [ INTO [TEMP] [TABLE] new_table ]
    [ FROM table
   [alias ] [, ...] ]
    [ WHERE condition ]
    [ GROUP BY column [, ...] ]
    [ HAVING condition [, ...] ]
    [ { UNION [ALL] | INTERSECT | EXCEPT } select ]
    [ ORDER BY column [ ASC | DESC ] [, ...] ]
    [ FOR UPDATE [OF class_name...]]
    [ LIMIT count [OFFSET|, count]]

Compare with:

PostgreSQL 7.0 Synopsis

http://www.postgresql.org/docs/view.php?version=7.0&idoc=1&file=sql-select.htm

SELECT [ ALL | DISTINCT [ ON ( expression [, ...] ) ] ]
    expression [ AS name ] [, ...]
    [ INTO [ TEMPORARY | TEMP ] [ TABLE ] new_table ]
    [ FROM table [ alias ] [, ...] ]
    [ WHERE condition ]
    [ GROUP BY column [, ...] ]
    [ HAVING condition [, ...] ]
    [ { UNION [ ALL ] | INTERSECT | EXCEPT } select ]
    [ ORDER BY column [ ASC | DESC | USING operator ] [, ...] ]
    [ FOR UPDATE [ OF class_name [, ...] ] ]
    LIMIT { count | ALL } [ { OFFSET | , } start ]

The Hibernate PostgreSQL dialect should be updated (or a new one created) to reflect this change.



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