lsm/SqlSugar
1
0
Fork 0
mirror of https://gitee.com/dotnetchina/SqlSugar.git synced 2025-09-19 18:22:23 +08:00
Code Issues Actions Packages Projects Releases Wiki Activity

TDengine SqlFunc.Substring

Browse Source
This commit is contained in:
sunkaixuan
2024-01-02 14:34:58 +08:00
parent eb701e3a17
commit c2b2971f25
1 changed files with 16 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

16
Src/Asp.NetCore2/SqlSugar.TDengineCore/TDengine/SqlBuilder/TDengineExpressionContext.cs
View File

@@ -145,6 +145,22 @@ namespace SqlSugar.TDengine
{ {
return "false"; return "false";
} }
public override string Substring(MethodCallExpressionModel model)
{
var parameter = model.Args[0];
var parameter2 = model.Args[1];
var parameter3 = model.Args[2];
if (parameter2.MemberValue is int&& parameter3.MemberValue is int)
{
model.Parameters.RemoveAll(it => it.ParameterName.Equals(parameter2.MemberName) || it.ParameterName.Equals(parameter3.MemberName));
return string.Format("SUBSTR({0},{1},{2})", parameter.MemberName, Convert.ToInt32(parameter2.MemberValue) + 1, parameter3.MemberValue);
}
else
{
return string.Format("SUBSTR({0},{1},{2})", parameter.MemberName, parameter2.MemberName, parameter3.MemberName);
}
}
public override string DateDiff(MethodCallExpressionModel model) public override string DateDiff(MethodCallExpressionModel model)
{ {
var parameter = model.Args[0]; var parameter = model.Args[0];