protected string DbNullAndDefault(TableFieldDefInfo fieldInfo)
{
if (fieldInfo == null)
{
return(DBConstants.EMPTY_STRING);
}
bool bColumnDefault = DbColumnDefault();
bool bFieldDefault = (fieldInfo.m_strDefaultValue.Length != 0);
bool bRequiredDefault = DBPlatform.DefaultBindRequired(fieldInfo.m_lAttributes);
bool bAutoIncremField = ((fieldInfo.m_lAttributes & DBConstants.dbAutoIncrField) != 0);
string strFieldNames = DBConstants.EMPTY_STRING;
if (bColumnDefault)
{
if (fieldInfo.m_bRequired && bRequiredDefault)
{
strFieldNames = StringUtils.JoinNonEmpty(" ", strFieldNames, DbTypeDefault(fieldInfo.m_nType));
}
}
if (bAutoIncremField == false)
{
if (fieldInfo.m_bRequired)
{
strFieldNames = StringUtils.JoinNonEmpty(" ", strFieldNames, "NOT NULL");
}
else
{
strFieldNames = StringUtils.JoinNonEmpty(" ", strFieldNames, "NULL");
}
}
return(strFieldNames);
}
protected string DbIdentity(TableFieldDefInfo fieldInfo)
{
bool identityColumn = DBPlatform.AutoIncrField(fieldInfo.m_lAttributes);
string strDbIdentity = DBConstants.EMPTY_STRING;
if (identityColumn)
{
strDbIdentity = DbIdentitySQL();
}
return(strDbIdentity);
}
public string ClassColumnName(TableFieldDefInfo columnInfo)
{
return(columnInfo.ColumnName());
}
protected override string DbConvertDataType(TableFieldDefInfo fieldInfo)
{
string strFieldType = DBPlatform.MsSQLConvertDataType(fieldInfo.m_nType, fieldInfo.m_lSize);
return(strFieldType);
}
protected abstract string DbConvertDataType(TableFieldDefInfo fieldInfo);
