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static private GetLanguageViewNameList ( SqlSugarClient db ) : List |
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| db | SqlSugarClient | |
| return | List |
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internal static StringBuilder GetQueryableSql <T>(SqlSugar.Queryable <T> queryable)
{
StringBuilder sbSql = new StringBuilder();
string tableName = queryable.TableName.IsNullOrEmpty() ? queryable.TName : queryable.TableName;
if (queryable.DB.Language.IsValuable() && queryable.DB.Language.Suffix.IsValuable())
{
var viewNameList = LanguageHelper.GetLanguageViewNameList(queryable.DB);
var isLanView = viewNameList.IsValuable() && viewNameList.Any(it => it == tableName);
if (!queryable.DB.Language.Suffix.StartsWith(LanguageHelper.PreSuffix))
{
queryable.DB.Language.Suffix = LanguageHelper.PreSuffix + queryable.DB.Language.Suffix;
}
//将视图变更为多语言的视图
if (isLanView)
{
tableName = typeof(T).Name + queryable.DB.Language.Suffix;
}
}
if (queryable.DB.PageModel == PageModel.RowNumber)
{
#region rowNumber
string withNoLock = queryable.DB.IsNoLock ? "WITH(NOLOCK)" : null;
var order = queryable.OrderBy.IsValuable() ? (",row_index=ROW_NUMBER() OVER(ORDER BY " + queryable.OrderBy + " )") : null;
sbSql.AppendFormat("SELECT " + queryable.Select.GetSelectFiles() + " {1} FROM {0} {2} WHERE 1=1 {3} {4} ", tableName, order, withNoLock, string.Join("", queryable.Where), queryable.GroupBy.GetGroupBy());
if (queryable.Skip == null && queryable.Take != null)
{
sbSql.Insert(0, "SELECT " + queryable.Select.GetSelectFiles() + " FROM ( ");
sbSql.Append(") t WHERE t.row_index<=" + queryable.Take);
}
else if (queryable.Skip != null && queryable.Take == null)
{
sbSql.Insert(0, "SELECT " + queryable.Select.GetSelectFiles() + " FROM ( ");
sbSql.Append(") t WHERE t.row_index>" + (queryable.Skip));
}
else if (queryable.Skip != null && queryable.Take != null)
{
sbSql.Insert(0, "SELECT " + queryable.Select.GetSelectFiles() + " FROM ( ");
sbSql.Append(") t WHERE t.row_index BETWEEN " + (queryable.Skip + 1) + " AND " + (queryable.Skip + queryable.Take));
}
#endregion
}
else
{
#region offset
string withNoLock = queryable.DB.IsNoLock ? "WITH(NOLOCK)" : null;
var order = queryable.OrderBy.IsValuable() ? ("ORDER BY " + queryable.OrderBy + " ") : null;
sbSql.AppendFormat("SELECT " + queryable.Select.GetSelectFiles() + " {1} FROM {0} {2} WHERE 1=1 {3} {4} ", tableName, "", withNoLock, string.Join("", queryable.Where), queryable.GroupBy.GetGroupBy());
sbSql.Append(order);
sbSql.AppendFormat("OFFSET {0} ROW FETCH NEXT {1} ROWS ONLY", queryable.Skip, queryable.Take);
#endregion
}
return(sbSql);
}
internal static StringBuilder GetQueryableSql <T>(SqlSugar.Queryable <T> queryable)
{
string joinInfo = string.Join(" ", queryable.JoinTableValue);
StringBuilder sbSql = new StringBuilder();
string tableName = queryable.TableName.IsNullOrEmpty() ? queryable.TName : queryable.TableName;
if (queryable.DB.Language.IsValuable() && queryable.DB.Language.Suffix.IsValuable())
{
var viewNameList = LanguageHelper.GetLanguageViewNameList(queryable.DB);
var isLanView = viewNameList.IsValuable() && viewNameList.Any(it => it == tableName);
if (!queryable.DB.Language.Suffix.StartsWith(LanguageHelper.PreSuffix))
{
queryable.DB.Language.Suffix = LanguageHelper.PreSuffix + queryable.DB.Language.Suffix;
}
//将视图变更为多语言的视图
if (isLanView)
{
tableName = typeof(T).Name + queryable.DB.Language.Suffix;
}
}
if (queryable.DB.PageModel == PageModel.RowNumber)
{
#region rowNumber
string withNoLock = queryable.DB.IsNoLock ? "WITH(NOLOCK)" : null;
sbSql.AppendFormat("SELECT " + queryable.SelectValue.GetSelectFiles() + " FROM {0} {4} {1} WHERE 1=1 {2} {3} ", tableName.GetTranslationSqlName(), withNoLock, string.Join("", queryable.WhereValue), queryable.GroupByValue.GetGroupBy(), joinInfo);
string strTmp = string.Empty;
string strOrder = string.Empty;
string strSql = string.Empty;
if (queryable.OrderByValue.IsValuable())
{
strOrder = " order by " + queryable.OrderByValue;
strTmp = queryable.OrderByValue.IndexOf("DESC") >= 0 ? " <(select min " : " >(select max ";
}
if (queryable.Skip == null && queryable.Take != null)
{
//if (joinInfo.IsValuable())
//{
// sbSql.Insert(0, "SELECT * FROM ( ");
//}
//else
//{
// sbSql.Insert(0, "SELECT " + queryable.SelectValue.GetSelectFiles() + " FROM ( ");
//}
//sbSql.Append(") t WHERE t.row_index<=" + queryable.Take);
strSql = string.Format("select top {0} {1} from {2} {3} {4} where 1=1 {5} {6} {7}", queryable.Take, queryable.SelectValue.GetSelectFiles(), tableName.GetTranslationSqlName(), joinInfo, withNoLock, string.Join("", queryable.WhereValue), queryable.GroupByValue.GetGroupBy(), strOrder);
}
else if (queryable.Skip != null && queryable.Take == null)
{
//if (joinInfo.IsValuable())
//{
// sbSql.Insert(0, "SELECT * FROM ( ");
//}
//else
//{
// sbSql.Insert(0, "SELECT " + queryable.SelectValue.GetSelectFiles() + " FROM ( ");
//}
//sbSql.Append(") t WHERE t.row_index>" + (queryable.Skip));
strSql = string.Format("select {0} from {1}{2}{3} where 1=1 and [{5}]{6}([{5}]) from (select top {7} [{5}] from {1}{2}{3} where 1=1 {4}{9}) as tblTmp) {4} {8} {9}", queryable.SelectValue.GetSelectFiles(), tableName.GetTranslationSqlName(), joinInfo, withNoLock, string.Join("", queryable.WhereValue), queryable.OrderByField, strTmp, queryable.Skip, queryable.GroupByValue.GetGroupBy(), strOrder);
}
else if (queryable.Skip != null && queryable.Take != null)
{
if (queryable.Skip == 0)
{
strSql = string.Format("select top {0} {1} from {2} {3} {4} where 1=1 {5} {6} {7}", queryable.Take, queryable.SelectValue.GetSelectFiles(), tableName.GetTranslationSqlName(), joinInfo, withNoLock, string.Join("", queryable.WhereValue), queryable.GroupByValue.GetGroupBy(), strOrder);
}
else
{
strSql = string.Format("select top {0} {1} from {2}{3}{4} where 1=1 and [{6}]{7}([{6}]) from (select top {8} [{6}] from {2}{3}{4} where 1=1 {5}{10}) as tblTmp) {5} {9} {10}", queryable.Take, queryable.SelectValue.GetSelectFiles(), tableName.GetTranslationSqlName(), joinInfo, withNoLock, string.Join("", queryable.WhereValue), queryable.OrderByField, strTmp, queryable.Skip, queryable.GroupByValue.GetGroupBy(), strOrder);
}
sbSql.Clear();
sbSql.Append(strSql);
//if (joinInfo.IsValuable())
//{
// sbSql.Insert(0, "SELECT * FROM ( ");
//}
//else
//{
// sbSql.Insert(0, "SELECT " + queryable.SelectValue.GetSelectFiles() + " FROM ( ");
//}
//sbSql.Append(") t WHERE t.row_index BETWEEN " + (queryable.Skip + 1) + " AND " + (queryable.Skip + queryable.Take));
}
#endregion
}
else
{
#region offset
string withNoLock = queryable.DB.IsNoLock ? "WITH(NOLOCK)" : null;
var order = queryable.OrderByValue.IsValuable() ? ("ORDER BY " + queryable.OrderByValue + " ") : null;
sbSql.AppendFormat("SELECT " + queryable.SelectValue.GetSelectFiles() + " {1} FROM {0} {5} {2} WHERE 1=1 {3} {4} ", tableName.GetTranslationSqlName(), "", withNoLock, string.Join("", queryable.WhereValue), queryable.GroupByValue.GetGroupBy(), joinInfo);
sbSql.Append(order);
if (queryable.Skip != null || queryable.Take != null)
{
sbSql.AppendFormat("OFFSET {0} ROW FETCH NEXT {1} ROWS ONLY", Convert.ToInt32(queryable.Skip), Convert.ToInt32(queryable.Take));
}
#endregion
}
return(sbSql);
}
