[hibernate-issues] [Hibernate-JIRA] Created: (HHH-7324) Add support for SERIAL columns in SapDB (MaxDB) dialect

[Adam Dyga (JIRA)]

Add support for SERIAL columns in SapDB (MaxDB) dialect
-------------------------------------------------------

                 Key: HHH-7324
                 URL: https://hibernate.onjira.com/browse/HHH-7324
             Project: Hibernate ORM
          Issue Type: Improvement
          Components: core
    Affects Versions: 3.6.10
            Reporter: Adam Dyga
            Priority: Minor


Currently org.hibernate.dialect.SAPDBDialect doesn't support SERIAL columns. The code below shows how how to do it by subclassing SAPDBDialect but it could be included in SAPDBDialect directly...


{code}
/**
 * Extends SAPDBDialect to support identity (serial) columns in MaxDB. 
 * 
 * @author Adam Dyga
 *
 */
public class MaxDBDialect extends SAPDBDialect {

	/**
	 * 
	 */
	public MaxDBDialect() {		
	}

	@Override
	public String getIdentitySelectString(String table, String column, int type) throws MappingException {
		return "select " + table + ".currval from dual";
	}

	@Override
	public boolean supportsIdentityColumns() {
		return true;
	}

	@Override
	public boolean hasDataTypeInIdentityColumn() {
		return true;
	}

	@Override
	public String getIdentityColumnString(int type) throws MappingException {
		return "serial";
	}	
	

}
{code}

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