291 lines
12 KiB
C#
291 lines
12 KiB
C#
using System;
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using System.Collections.Generic;
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using System.Collections.ObjectModel;
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using System.Linq;
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using System.Linq.Expressions;
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using System.Reflection;
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using System.Text;
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using System.Threading.Tasks;
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namespace SqlSugar
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{
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public partial class DmExpressionContext : ExpressionContext, ILambdaExpressions
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{
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public SqlSugarProvider Context { get; set; }
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public DmExpressionContext()
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{
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base.DbMehtods = new DmMethod();
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}
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public override string SqlParameterKeyWord
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{
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get
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{
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return ":";
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}
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}
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public override string SqlTranslationLeft { get { return "\""; } }
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public override string SqlTranslationRight { get { return "\""; } }
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public override string GetTranslationTableName(string entityName, bool isMapping = true)
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{
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return base.GetTranslationTableName(entityName, isMapping).ToUpper(IsUppper);
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}
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public override string GetTranslationColumnName(string columnName)
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{
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return base.GetTranslationColumnName(columnName).ToUpper(IsUppper);
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}
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public override string GetDbColumnName(string entityName, string propertyName)
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{
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return base.GetDbColumnName(entityName, propertyName).ToUpper(IsUppper);
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}
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public bool IsUppper
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{
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get
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{
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if (this.SugarContext?.Context?.Context?.CurrentConnectionConfig?.MoreSettings==null)
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{
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return true;
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}
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else
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{
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return this.SugarContext?.Context?.Context?.CurrentConnectionConfig?.MoreSettings.IsAutoToUpper == true;
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}
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}
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}
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}
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public partial class DmMethod : DefaultDbMethod, IDbMethods
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{
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public override string WeekOfYear(MethodCallExpressionModel mode)
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{
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var parameterNameA = mode.Args[0].MemberName;
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return $"TO_NUMBER(TO_CHAR({parameterNameA}, 'WW')) ";
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}
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public override string ParameterKeyWord { get; set; } = ":";
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public override string GetStringJoinSelector(string result, string separator)
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{
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return $"listagg(to_char({result}),'{separator}') within group(order by {result}) ";
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}
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public override string ToInt64(MethodCallExpressionModel model)
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{
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var parameter = model.Args[0];
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return string.Format(" CAST({0} AS Number)", parameter.MemberName);
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}
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public override string ToTime(MethodCallExpressionModel model)
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{
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var parameter = model.Args[0];
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return string.Format(" to_timestamp({0},'0000-01-01 hh24:mi:ss') ", parameter.MemberName);
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}
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public override string Substring(MethodCallExpressionModel model)
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{
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var parameter = model.Args[0];
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var parameter2 = model.Args[1];
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var parameter3 = model.Args[2];
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return string.Format("SUBSTR({0},1 + {1},{2})", parameter.MemberName, parameter2.MemberName, parameter3.MemberName);
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}
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public override string DateValue(MethodCallExpressionModel model)
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{
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var parameter = model.Args[0];
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var parameter2 = model.Args[1];
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var type = (DateType)Enum.Parse(typeof(DateType), parameter2.MemberValue.ObjToString(), false);
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switch (type)
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{
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case DateType.Year:
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return string.Format("(CAST(TO_CHAR({0},'yyyy') AS NUMBER))", parameter.MemberName);
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case DateType.Month:
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return string.Format("(CAST(TO_CHAR({0},'mm') AS NUMBER))", parameter.MemberName);
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case DateType.Hour:
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return string.Format("(CAST(TO_CHAR({0},'hh24') AS NUMBER))", parameter.MemberName);
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case DateType.Second:
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return string.Format("(CAST(TO_CHAR({0},'ss') AS NUMBER))", parameter.MemberName);
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case DateType.Minute:
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return string.Format("(CAST(TO_CHAR({0},'mi') AS NUMBER))", parameter.MemberName);
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case DateType.Millisecond:
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return string.Format("(CAST(TO_CHAR({0},'ff3') AS NUMBER))", parameter.MemberName);
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case DateType.Quarter:
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return string.Format("(CAST(TO_CHAR({0},'q') AS NUMBER))", parameter.MemberName);
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case DateType.Weekday:
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return $" (TO_NUMBER(TO_CHAR({parameter.MemberName}, 'D'))-1) ";
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case DateType.Day:
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default:
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return string.Format("(CAST(TO_CHAR({0},'dd') AS NUMBER))", parameter.MemberName);
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}
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}
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//public override string DateAddByType(MethodCallExpressionModel model)
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//{
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// var parameter = model.Args[0];
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// var parameter2 = model.Args[1];
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// var parameter3 = model.Args[2];
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// var type = (DateType)Enum.Parse(typeof(DateType), parameter3.MemberValue.ObjToString(), false);
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// double time = 1;
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// switch (type)
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// {
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// case DateType.Year:
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// time = 1 * 365;
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// break;
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// case DateType.Month:
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// time = 1 * 30;
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// break;
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// case DateType.Day:
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// break;
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// case DateType.Hour:
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// time = 1 / 24.0;
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// break;
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// case DateType.Second:
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// time = 1 / 24.0 / 60.0 / 60.0;
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// break;
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// case DateType.Minute:
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// time = 1 / 24.0 / 60.0;
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// break;
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// case DateType.Millisecond:
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// time = 1 / 24.0 / 60.0 / 60.0 / 1000;
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// break;
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// }
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// return string.Format("({0}+({1}*{2})) ", parameter.MemberName, time, parameter2.MemberName);
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//}
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public override string DateAddDay(MethodCallExpressionModel model)
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{
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var parameter = model.Args[0];
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var parameter2 = model.Args[1];
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return string.Format("({0}+(1*{1})) ", parameter.MemberName, parameter2.MemberName);
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}
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public override string ToString(MethodCallExpressionModel model)
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{
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var parameter = model.Args[0];
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return string.Format(" CAST({0} AS VARCHAR2(4000))", parameter.MemberName);
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}
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public override string ToDate(MethodCallExpressionModel model)
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{
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var parameter = model.Args[0];
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return string.Format(" to_date({0},'yyyy-mm-dd hh24:mi:ss')", parameter.MemberName);
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}
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public override string Contains(MethodCallExpressionModel model)
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{
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var parameter = model.Args[0];
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var parameter2 = model.Args[1];
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return string.Format(" ({0} like '%'||{1}||'%') ", parameter.MemberName, parameter2.MemberName);
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}
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public override string StartsWith(MethodCallExpressionModel model)
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{
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var parameter = model.Args[0];
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var parameter2 = model.Args[1];
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return string.Format(" ({0} like {1}||'%') ", parameter.MemberName, parameter2.MemberName);
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}
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public override string EndsWith(MethodCallExpressionModel model)
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{
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var parameter = model.Args[0];
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var parameter2 = model.Args[1];
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return string.Format(" ({0} like '%'||{1}) ", parameter.MemberName, parameter2.MemberName);
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}
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public override string Trim(MethodCallExpressionModel model)
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{
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var parameter = model.Args[0];
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return string.Format(" trim({0}) ", parameter.MemberName);
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}
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public override string DateIsSameDay(MethodCallExpressionModel model)
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{
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var parameter = model.Args[0];
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var parameter2 = model.Args[1];
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return string.Format(" ( cast({0} as date)= cast( {1} as date) ) ", parameter.MemberName, parameter2.MemberName); ;
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}
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public override string DateIsSameByType(MethodCallExpressionModel model)
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{
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throw new NotSupportedException("Oracle NotSupportedException DateIsSameDay");
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}
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public override string Length(MethodCallExpressionModel model)
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{
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var parameter = model.Args[0];
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return string.Format(" LENGTH({0}) ", parameter.MemberName);
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}
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public override string IsNull(MethodCallExpressionModel model)
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{
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var parameter = model.Args[0];
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var parameter1 = model.Args[1];
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return string.Format("NVL({0},{1})", parameter.MemberName, parameter1.MemberName);
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}
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public override string MergeString(params string[] strings)
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{
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return string.Join("||", strings);
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}
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public override string GetDate()
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{
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return "sysdate";
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}
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public override string GetRandom()
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{
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return "dbms_random.value";
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}
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public override string CharIndex(MethodCallExpressionModel model)
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{
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return string.Format("instr ({0},{1},1,1) ", model.Args[0].MemberName, model.Args[1].MemberName);
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}
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public override string ToDecimal(MethodCallExpressionModel model)
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{
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var parameter = model.Args[0];
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return string.Format(" CAST({0} AS decimal(18,4))", parameter.MemberName);
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}
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public override string TrimEnd(MethodCallExpressionModel mode)
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{
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var parameterNameA = mode.Args[0].MemberName;
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var parameterNameB = mode.Args[1].MemberName;
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return $" RTRIM({parameterNameA}, {parameterNameB}) ";
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}
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public override string TrimStart(MethodCallExpressionModel mode)
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{
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var parameterNameA = mode.Args[0].MemberName;
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var parameterNameB = mode.Args[1].MemberName;
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return $" LTRIM({parameterNameA}, {parameterNameB}) ";
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}
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public override string Left(MethodCallExpressionModel mode)
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{
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var parameterNameA = mode.Args[0].MemberName;
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var parameterNameB = mode.Args[1].MemberName;
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return $" SUBSTR({parameterNameA}, 1, {parameterNameB}) ";
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}
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public override string Right(MethodCallExpressionModel mode)
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{
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var parameterNameA = mode.Args[0].MemberName;
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var parameterNameB = mode.Args[1].MemberName;
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return $" SUBSTR({parameterNameA}, -2, {parameterNameB}) ";
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}
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public override string Ceil(MethodCallExpressionModel mode)
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{
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var parameterNameA = mode.Args[0].MemberName;
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return $" CEIL({parameterNameA}) ";
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}
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public override string NewUid(MethodCallExpressionModel mode)
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{
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return " SUBSTR(LOWER(RAWTOHEX(SYS_GUID())), 1, 8) ||\r\n '-' ||\r\n SUBSTR(LOWER(RAWTOHEX(SYS_GUID())), 9, 4) ||\r\n '-' ||\r\n SUBSTR(LOWER(RAWTOHEX(SYS_GUID())), 13, 4) ||\r\n '-' ||\r\n SUBSTR(LOWER(RAWTOHEX(SYS_GUID())), 17, 4) ||\r\n '-' ||\r\n SUBSTR(LOWER(RAWTOHEX(SYS_GUID())), 21) ";
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}
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public override string JsonField(MethodCallExpressionModel model)
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{
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return $"JSON_VALUE({model.Args[0].MemberName}, '$.{model.Args[1].MemberValue.ToString().ToSqlFilter()}')";
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//"JSON_VALUE(j.kingorder, '$.Id') = '1'";
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}
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public override string FullTextContains(MethodCallExpressionModel mode)
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{
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var columns = mode.Args[0].MemberName;
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if (mode.Args[0].MemberValue is List<string>)
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{
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columns = "(" + string.Join(",", mode.Args[0].MemberValue as List<string>) + ")";
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}
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var searchWord = mode.Args[1].MemberName;
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return $" CONTAINS({columns}, {searchWord}, 1) ";
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}
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}
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}
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