Elight.Utility/Extension/SqlSugar/ExtMethods.cs

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using SqlSugar;
using System;
using System.Collections.Generic;
using System.Text;

namespace Elight.Utility.Extension.SqlSugar
{
    public class ExtMethods
    {
        public static List<SqlFuncExternal> GetExpMethods
        {
            get
            {
                var expMethods = new List<SqlFuncExternal>();
                //abs
                expMethods.Add(new SqlFuncExternal()
                {
                    UniqueMethodName = "Abs",
                    MethodValue = (expInfo, dbType, expContext) =>
                    {
                        if (dbType == DbType.MySql)
                            return string.Format("ABS({0})", expInfo.Args[0].MemberName);
                        else if (dbType == DbType.SqlServer)
                            return string.Format("ABS({0})", expInfo.Args[0].MemberName);
                        else if (dbType == DbType.PostgreSQL)
                            return string.Format("abs({0})", expInfo.Args[0].MemberName);
                        else if (dbType == DbType.Oracle)
                            return string.Format("ABS({0})", expInfo.Args[0].MemberName);
                        else if (dbType == DbType.Sqlite)
                            return string.Format("ABS({0})", expInfo.Args[0].MemberName);
                        else
                            throw new Exception("未实现");
                    }
                });
                //sin
                expMethods.Add(new SqlFuncExternal()
                {
                    UniqueMethodName = "Sin",
                    MethodValue = (expInfo, dbType, expContext) =>
                    {
                        if (dbType == DbType.MySql)
                            return string.Format("SIN({0})", expInfo.Args[0].MemberName);
                        else if (dbType == DbType.SqlServer)
                            return string.Format("SIN({0})", expInfo.Args[0].MemberName);
                        else if (dbType == DbType.PostgreSQL)
                            return string.Format("sin({0})", expInfo.Args[0].MemberName);
                        else if (dbType == DbType.Oracle)
                            return string.Format("SIN({0})", expInfo.Args[0].MemberName);
                        else if (dbType == DbType.Sqlite)
                            return string.Format("SIN({0})", expInfo.Args[0].MemberName);
                        else
                            throw new Exception("未实现");
                    }
                });
                //cos
                expMethods.Add(new SqlFuncExternal()
                {
                    UniqueMethodName = "Cos",
                    MethodValue = (expInfo, dbType, expContext) =>
                    {
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