/// <summary>
/// 构造主键的过滤条件。
/// </summary>
/// <param name="context">SQL构造上下文信息。</param>
/// <param name="sqlInfo">SQL拼装的中间变量。</param>
/// <param name="currentObject">主键过滤条件对应的领域对象</param>
/// <param name="pkColumnData">主键值Dictionary，Key是ElemetID，Value是列的值。</param>
/// <param name="IsUseFieldPrefix">是否使用列全名。</param>
/// <returns>主键过滤条件</returns>
protected SqlPrimaryKey GetPrimaryKeyConditions(SqlBuildingContext context, SqlBuildingInfo sqlInfo,
DomainObject currentObject, IDictionary <string, object> data, bool IsUseFieldPrefix = false)
{
var curDataObject = currentObject.DataObject;
var tableName = context.DataObjectTableMapping[curDataObject.ID];
SqlTable curTable = this.FindSqlTable(tableName, sqlInfo);
if (curTable == null)
{
curTable = new SqlTable(tableName, tableName, tableName);
this.RegistSqlTable(tableName, curTable, sqlInfo);
}
//var data = context.DataContext.GetCurrentDataContextItem(currentObject.ID);
var primaryKey = new SqlPrimaryKey();
foreach (var column in curDataObject.PKColumns)
{
var keyField = new SqlPrimaryKeyField(curTable, column.ColumnName);
var pkElement = currentObject.Elements.FirstOrDefault(i => i.DataColumnID == column.ID);
keyField.Value.Value = data[pkElement.ID];
keyField.IsUseFieldPrefix = true;
primaryKey.ChildCollection.Add(keyField);
}
return(primaryKey);
}
/// <summary>
/// 获取CO上某GSPNode的GSPAbsDBTable主键的过滤条件。
/// </summary>
/// <param name="context">SQL构造上下文信息。</param>
/// <param name="sqlInfo">SQL拼装的中间变量。</param>
/// <param name="coNode">主键过滤条件对应的GSPNode。</param>
/// <param name="dbTable">主键过滤条件对应的GSPAbsDBTable。</param>
/// <param name="IsUseFieldPrefix">是否使用表名</param>
/// <returns>主键的过滤条件。</returns>
protected string GetPrimaryKeyCondition(SqlBuildingContext context, SqlBuildingInfo sqlInfo,
DomainObject coNode, bool IsUseFieldPrefix = false)
{
var tableName = context.TableName;
var tableKey = tableName;
var sqlPrimaryKey = new SqlPrimaryKey();
var sqlTable = this.TryFindAndRegistSqlTable(tableKey, tableName, tableName, tableName, sqlInfo);
var pkColumnData = context.DataContext.GetCurrentDataContextItem(context.Node.ID).PrimaryKeyData;
foreach (DataColumn item in context.DataObject.PKColumns)
{
var pkElement = context.Node.Elements.FirstOrDefault(i => i.DataColumnID == item.ID);
if (pkElement == null)
{
throw new Exception("Cannot find PkElement, Column ID: " + item.ID);
}
if (pkColumnData.ContainsKey(pkElement.ID))
{
var keyField = new SqlPrimaryKeyField();
keyField.Table = sqlTable;
keyField.FieldName = item.ColumnName;
keyField.Value.Value = pkColumnData[pkElement.ID];
keyField.IsUseFieldPrefix = IsUseFieldPrefix;
sqlPrimaryKey.ChildCollection.Add(keyField);
}
}
return(sqlPrimaryKey.ToSQL());
}
/// <summary>
/// 获取主键过滤条件。
/// </summary>
/// <param name="context">SQL构造上下文信息。</param>
/// <param name="domainObject">领域对象</param>
/// <param name="curDataObject">数据对象</param>
/// <param name="sqlInfo">SQL拼装的中间变量。</param>
/// <returns>主键的过滤条件。</returns>
private SqlPrimaryKey GetPrimaryKeyCondition(SqlBuildingContext context, DomainObject domainObject, DataObject curDataObject, SqlBuildingInfo sqlInfo)
{
var tableName = context.DataObjectTableMapping[curDataObject.ID];
SqlTable curTable = this.FindSqlTable(tableName, sqlInfo);
if (curTable == null)
{
curTable = new SqlTable(tableName, tableName, tableName);
this.RegistSqlTable(tableName, curTable, sqlInfo);
}
var data = context.DataContext.GetCurrentDataContextItem(domainObject.ID);
if (data.PrimaryKeyData.Count == 0)
{
return(null);
}
var primaryKey = new SqlPrimaryKey();
foreach (var column in curDataObject.PKColumns)
{
var keyField = new SqlPrimaryKeyField(curTable, column.ColumnName);
var pkElement = domainObject.Elements.FirstOrDefault(i => i.DataColumnID == column.ID);
keyField.Value.Value = data.PrimaryKeyData[pkElement.ID];
keyField.IsUseFieldPrefix = true;
primaryKey.ChildCollection.Add(keyField);
}
return(primaryKey);
}
/// <summary>
/// 主键实体的克隆。
/// </summary>
/// <returns>主键实体的副本。</returns>
public override object Clone()
{
SqlPrimaryKey newObj = this.MemberwiseClone() as SqlPrimaryKey;
return(newObj);
}
/// <summary>
/// 构造函数
/// </summary>
public SqlStatement()
: base()
{
PrimaryKeys = new SqlPrimaryKey();
SqlBuildingInfo = new SqlBuildingInfo();
}
