/// <summary>
/// 根据已经解析的SqlSchema，解析生成带数据的Update语句。
/// </summary>
/// <param name="sqlSchemata">已经解析的SqlSchema。</param>
/// <param name="domainModel">领域对象</param>
/// <param name="context">数据上下文</param>
/// <returns>Insert语句集合</returns>
private SqlStatementCollection ParseUpdateSqlDetail(SqlStatementCollection sqlSchemata, DomainModel.Spi.DomainModel domainModel, DomainModel.Spi.DomainObject domainObject,
DataContext dataContext, Dictionary<string, ShardingTarget> routeInfo)
{
var result = new SqlStatementCollection();
if (!dataContext.Data.ContainsKey(domainObject.ID))
{
return result;
}
var data = dataContext.Data[domainObject.ID];
if (data == null || data.Count == 0) return result;
var strategy = new UpdateSqlBuildStrategy();
for (int i = 0; i < dataContext.Data[domainObject.ID].Count; i++)
{
dataContext.CurrentDataIndex = i;
var context = new SqlBuildingContext(domainModel, domainObject, SQLBuilderUtils.GetCurrentDbType(), dataContext);
context.RouteInfo = routeInfo;
var rowSqls = new SqlStatementCollection();
var sqls = sqlSchemata.Where(s => s.SqlBuildingInfo.CurrentNode.ID == domainObject.ID).ToList();
rowSqls.AddRangeClone(sqls);
strategy.BuildTableSqlDetail(rowSqls, context);
result.AddRange(rowSqls);
}
return result;
}
private void ParseDeleteSqlDetail(SqlStatementCollection sqlSchemata, SqlStatementCollection result, DomainModel.Spi.DomainModel domainModel,
DomainModel.Spi.DomainObject domainObject, DataContext dataContext, Dictionary <string, ShardingTarget> routeInfo)
{
//构造SQL语句的条件
var strategy = new DeleteSqlBuildStrategy();
var context = new SqlBuildingContext(domainModel, domainObject, domainObject.DataObject.DataSource.DbType, dataContext);
context.RouteInfo = routeInfo;
var rowSqls = new SqlStatementCollection();
var sqls = sqlSchemata.Where(s => s.SqlBuildingInfo.CurrentNode.ID == domainObject.ID).ToList();
rowSqls.AddRangeClone(sqls);
strategy.BuildTableSqlDetail(rowSqls, context);
result.AddRange(rowSqls);
//递归处理子对象
if (domainObject.ChildDomainObjects.Count == 0)
{
return;
}
foreach (var childModelObject in domainObject.ChildDomainObjects)
{
ParseDeleteSqlDetail(sqlSchemata, result, domainModel, childModelObject, dataContext, routeInfo);
}
}
