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sql server dialect fix

This commit is contained in:
Tomaz Cerar 2011-07-08 16:39:08 +02:00 committed by Emmanuel Bernard
parent 3075d7d7ee
commit e47460317c
1 changed files with 21 additions and 17 deletions
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38
hibernate-core/src/main/java/org/hibernate/dialect/SQLServer2005Dialect.java
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@ -28,7 +28,7 @@ import org.hibernate.type.StandardBasicTypes;
/**
* A dialect for Microsoft SQL 2005. (HHH-3936 fix)
*
*
* @author Yoryos Valotasios
*/
public class SQLServer2005Dialect extends SQLServerDialect {
@ -45,14 +45,18 @@ public class SQLServer2005Dialect extends SQLServerDialect {
registerColumnType( Types.VARBINARY, "varbinary(MAX)" );
registerColumnType( Types.VARBINARY, MAX_LENGTH, "varbinary($l)" );
registerColumnType( Types.LONGVARBINARY, "varbinary(MAX)" );
registerColumnType( Types.CLOB, "varchar(MAX)" );
registerColumnType( Types.LONGVARCHAR, "varchar(MAX)" );
registerColumnType( Types.VARCHAR, "varchar(MAX)" );
registerColumnType( Types.VARCHAR, MAX_LENGTH, "varchar($l)" );
registerFunction("row_number", new NoArgSQLFunction("row_number", StandardBasicTypes.INTEGER, true));
registerColumnType( Types.BIGINT, "bigint" );
registerColumnType( Types.BIT, "bit" );
registerColumnType( Types.BOOLEAN, "bit" );
registerFunction( "row_number", new NoArgSQLFunction( "row_number", StandardBasicTypes.INTEGER, true ) );
}
@Override
@ -69,13 +73,13 @@ public class SQLServer2005Dialect extends SQLServerDialect {
public boolean supportsVariableLimit() {
return true;
}
@Override
public int convertToFirstRowValue(int zeroBasedFirstResult) {
// Our dialect paginated results aren't zero based. The first row should get the number 1 and so on
return zeroBasedFirstResult + 1;
}
@Override
public String getLimitString(String query, int offset, int limit) {
// We transform the query to one with an offset and limit if we have an offset and limit to bind
@ -85,25 +89,25 @@ public class SQLServer2005Dialect extends SQLServerDialect {
/**
* Add a LIMIT clause to the given SQL SELECT (HHH-2655: ROW_NUMBER for Paging)
*
*
* The LIMIT SQL will look like:
*
*
* <pre>
* WITH query AS (
* SELECT ROW_NUMBER() OVER (ORDER BY orderby) as __hibernate_row_nr__,
* SELECT ROW_NUMBER() OVER (ORDER BY orderby) as __hibernate_row_nr__,
* original_query_without_orderby
* )
* SELECT * FROM query WHERE __hibernate_row_nr__ BEETWIN offset AND offset + last
* </pre>
*
*
*
*
* @param querySqlString
* The SQL statement to base the limit query off of.
* @param offset
* Offset of the first row to be returned by the query (zero-based)
* @param limit
* Maximum number of rows to be returned by the query
*
*
* @return A new SQL statement with the LIMIT clause applied.
*/
@Override
@ -135,7 +139,7 @@ public class SQLServer2005Dialect extends SQLServerDialect {
* Utility method that checks if the given sql query is a select distinct one and if so replaces the distinct select
* with an equivalent simple select with a group by clause. See
* {@link SQLServer2005DialectTestCase#testReplaceDistinctWithGroupBy()}
*
*
* @param sql an sql query
*/
protected static void replaceDistinctWithGroupBy(StringBuilder sql) {
@ -149,7 +153,7 @@ public class SQLServer2005Dialect extends SQLServerDialect {
/**
* This utility method searches the given sql query for the fields of the select statement and returns them without
* the aliases. See {@link SQLServer2005DialectTestCase#testGetSelectFieldsWithoutAliases()}
*
*
* @param an
* sql query
* @return the fields of the select statement without their alias
@ -163,7 +167,7 @@ public class SQLServer2005Dialect extends SQLServerDialect {
/**
* Utility method that strips the aliases. See {@link SQLServer2005DialectTestCase#testStripAliases()}
*
*
* @param a
* string to replace the as statements
* @return a string without the as statements
@ -174,7 +178,7 @@ public class SQLServer2005Dialect extends SQLServerDialect {
/**
* Right after the select statement of a given query we must place the row_number function
*
*
* @param sql
* the initial sql query without the order by clause
* @param orderby