329 lines
14 KiB
C#
329 lines
14 KiB
C#
|
using System;
|
|||
|
|
using System.Linq;
|
|||
|
|
namespace SqlSugar
|
|||
|
|
{
|
|||
|
|
public class SqliteExpressionContext : ExpressionContext, ILambdaExpressions
|
|||
|
|
{
|
|||
|
|
public override ExpressionContextCase Case { get; set; } = new ExpressionContextCase() {
|
|||
|
|
IsDateString= true,
|
|||
|
|
};
|
|||
|
|
public SqlSugarProvider Context { get; set; }
|
|||
|
|
public SqliteExpressionContext()
|
|||
|
|
{
|
|||
|
|
base.DbMehtods = new SqliteMethod();
|
|||
|
|
}
|
|||
|
|
public override string SqlTranslationLeft { get { return "`"; } }
|
|||
|
|
public override string SqlTranslationRight { get { return "`"; } }
|
|||
|
|
}
|
|||
|
|
public class SqliteMethod : DefaultDbMethod, IDbMethods
|
|||
|
|
{
|
|||
|
|
public override string WeekOfYear(MethodCallExpressionModel mode)
|
|||
|
|
{
|
|||
|
|
var parameterNameA = mode.Args[0].MemberName;
|
|||
|
|
return $"STRFTIME('%W', {parameterNameA})+1 ";
|
|||
|
|
}
|
|||
|
|
public override string Equals(MethodCallExpressionModel model)
|
|||
|
|
{
|
|||
|
|
var result= base.Equals(model);
|
|||
|
|
if (model.Args.Count == 3&& result.Trim().Last()==')')
|
|||
|
|
{
|
|||
|
|
result = (" "+result.Trim().TrimEnd(')') + " COLLATE NOCASE ) ");
|
|||
|
|
}
|
|||
|
|
return result;
|
|||
|
|
}
|
|||
|
|
public override string GetStringJoinSelector(string result, string separator)
|
|||
|
|
{
|
|||
|
|
return $"group_concat({result},'{separator}') ";
|
|||
|
|
}
|
|||
|
|
public override string DateDiff(MethodCallExpressionModel model)
|
|||
|
|
{
|
|||
|
|
var parameter = (DateType)(Enum.Parse(typeof(DateType), model.Args[0].MemberValue.ObjToString()));
|
|||
|
|
var begin = model.Args[1].MemberName;
|
|||
|
|
var end = model.Args[2].MemberName;
|
|||
|
|
switch (parameter)
|
|||
|
|
{
|
|||
|
|
case DateType.Year:
|
|||
|
|
return $" ( strftime('%Y',{end}) - strftime('%Y',{begin}) )";
|
|||
|
|
case DateType.Month:
|
|||
|
|
return $" ( (strftime('%m',{end}) - strftime('%m',{begin}))+(strftime('%Y',{end}) - strftime('%Y',{begin}))*12 )";
|
|||
|
|
case DateType.Day:
|
|||
|
|
return $" (julianday( strftime('%Y-%m-%d',datetime({end})) )-julianday(strftime('%Y-%m-%d',datetime({begin})))) ";
|
|||
|
|
case DateType.Hour:
|
|||
|
|
return $" ((julianday( strftime('%Y-%m-%d %H:%M',datetime({end})) )- julianday(strftime('%Y-%m-%d %H:%M',datetime({begin}))))*24 )";
|
|||
|
|
case DateType.Minute:
|
|||
|
|
return $" ((julianday( strftime('%Y-%m-%d %H:%M',datetime({end})) )- julianday(strftime('%Y-%m-%d %H:%M',datetime({begin}))))*24*60 )";
|
|||
|
|
case DateType.Second:
|
|||
|
|
return $" ((julianday( strftime('%Y-%m-%d %H:%M:%S',datetime({end})) )- julianday(strftime('%Y-%m-%d %H:%M:%S',datetime({begin}))))*24*60*60 )";
|
|||
|
|
case DateType.Millisecond:
|
|||
|
|
break;
|
|||
|
|
default:
|
|||
|
|
break;
|
|||
|
|
}
|
|||
|
|
throw new Exception(parameter + " datediff no support");
|
|||
|
|
}
|
|||
|
|
public override string Length(MethodCallExpressionModel model)
|
|||
|
|
{
|
|||
|
|
var parameter = model.Args[0];
|
|||
|
|
return string.Format("LENGTH({0})", parameter.MemberName);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
public override string Substring(MethodCallExpressionModel model)
|
|||
|
|
{
|
|||
|
|
var parameter = model.Args[0];
|
|||
|
|
var parameter2 = model.Args[1];
|
|||
|
|
var parameter3 = model.Args[2];
|
|||
|
|
return string.Format("SUBSTR({0},1 + {1},{2})", parameter.MemberName, parameter2.MemberName, parameter3.MemberName);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
public override string Contains(MethodCallExpressionModel model)
|
|||
|
|
{
|
|||
|
|
var parameter = model.Args[0];
|
|||
|
|
var parameter2 = model.Args[1];
|
|||
|
|
return string.Format(" ({0} like '%'||{1}||'%') ", parameter.MemberName, parameter2.MemberName);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
public override string StartsWith(MethodCallExpressionModel model)
|
|||
|
|
{
|
|||
|
|
var parameter = model.Args[0];
|
|||
|
|
var parameter2 = model.Args[1];
|
|||
|
|
return string.Format(" ({0} like {1}||'%') ", parameter.MemberName, parameter2.MemberName);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
public override string EndsWith(MethodCallExpressionModel model)
|
|||
|
|
{
|
|||
|
|
var parameter = model.Args[0];
|
|||
|
|
var parameter2 = model.Args[1];
|
|||
|
|
return string.Format(" ({0} like '%'||{1}) ", parameter.MemberName, parameter2.MemberName);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
public override string ToInt32(MethodCallExpressionModel model)
|
|||
|
|
{
|
|||
|
|
var parameter = model.Args[0];
|
|||
|
|
return string.Format(" CAST({0} AS INTEGER)", parameter.MemberName);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
public override string ToInt64(MethodCallExpressionModel model)
|
|||
|
|
{
|
|||
|
|
var parameter = model.Args[0];
|
|||
|
|
return string.Format(" CAST({0} AS INTEGER)", parameter.MemberName);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
public override string ToString(MethodCallExpressionModel model)
|
|||
|
|
{
|
|||
|
|
var parameter = model.Args[0];
|
|||
|
|
return string.Format(" CAST({0} AS TEXT)", parameter.MemberName);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
public override string ToGuid(MethodCallExpressionModel model)
|
|||
|
|
{
|
|||
|
|
var parameter = model.Args[0];
|
|||
|
|
return string.Format(" CAST({0} AS TEXT)", parameter.MemberName);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
public override string ToDouble(MethodCallExpressionModel model)
|
|||
|
|
{
|
|||
|
|
var parameter = model.Args[0];
|
|||
|
|
return string.Format(" CAST({0} AS DECIMAL(18,4))", parameter.MemberName);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
public override string ToBool(MethodCallExpressionModel model)
|
|||
|
|
{
|
|||
|
|
var parameter = model.Args[0];
|
|||
|
|
return string.Format(" CAST({0} AS SIGNED)", parameter.MemberName);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
public override string ToDecimal(MethodCallExpressionModel model)
|
|||
|
|
{
|
|||
|
|
var parameter = model.Args[0];
|
|||
|
|
return string.Format(" CAST({0} AS DECIMAL(18,4))", parameter.MemberName);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
public override string ToDate(MethodCallExpressionModel model)
|
|||
|
|
{
|
|||
|
|
var parameter = model.Args[0];
|
|||
|
|
return string.Format(" DATETIME({0})", parameter.MemberName);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
public override string ToDateShort(MethodCallExpressionModel model)
|
|||
|
|
{
|
|||
|
|
var parameter = model.Args[0];
|
|||
|
|
return string.Format(" strftime('%Y-%m-%d', {0})", parameter.MemberName);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
public override string DateAddDay(MethodCallExpressionModel model)
|
|||
|
|
{
|
|||
|
|
var parameter = model.Args[0];
|
|||
|
|
var parameter2 = model.Args[1];
|
|||
|
|
if (parameter2.MemberValue.ObjToInt() < 0)
|
|||
|
|
{
|
|||
|
|
return string.Format(" DATE(DATETIME({0}), '-{1} days')", parameter.MemberName, Math.Abs(parameter2.MemberValue.ObjToInt()));
|
|||
|
|
}
|
|||
|
|
else
|
|||
|
|
{
|
|||
|
|
return string.Format(" DATE(DATETIME({0}), '+{1} days')", parameter.MemberName, parameter2.MemberValue);
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
public override string DateAddByType(MethodCallExpressionModel model)
|
|||
|
|
{
|
|||
|
|
var parameter = model.Args[0].MemberName;
|
|||
|
|
var parameter2 = model.Args[1].MemberValue;
|
|||
|
|
var parameter3 = model.Args[2].MemberValue;
|
|||
|
|
if (parameter2.ObjToInt() < 0)
|
|||
|
|
{
|
|||
|
|
return string.Format(" DATETIME(DATETIME({0}), '-{1} {2}s')", parameter, Math.Abs(parameter2.ObjToInt()), parameter3);
|
|||
|
|
}
|
|||
|
|
else
|
|||
|
|
{
|
|||
|
|
return string.Format(" DATETIME(DATETIME({0}), '+{1} {2}s')", parameter, parameter2, parameter3);
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
public override string DateValue(MethodCallExpressionModel model)
|
|||
|
|
{
|
|||
|
|
var parameter = model.Args[0];
|
|||
|
|
var typeName = model.Args[1].MemberValue.ToString();
|
|||
|
|
var parameter2 = typeName;
|
|||
|
|
var type = (DateType)Enum.Parse(typeof(DateType), parameter2, false);
|
|||
|
|
switch (type)
|
|||
|
|
{
|
|||
|
|
case DateType.Year:
|
|||
|
|
parameter2 = "%Y";
|
|||
|
|
break;
|
|||
|
|
case DateType.Month:
|
|||
|
|
parameter2 = "%m";
|
|||
|
|
break;
|
|||
|
|
case DateType.Day:
|
|||
|
|
parameter2 = "%d";
|
|||
|
|
return string.Format(" CAST(STRFTIME('{1}', DATETIME(DATETIME(strftime('%Y-%m-%d', {0})), 'LOCALTIME')) AS INTEGER)", parameter.MemberName, parameter2);
|
|||
|
|
case DateType.Hour:
|
|||
|
|
parameter2 = "%H";
|
|||
|
|
break;
|
|||
|
|
case DateType.Second:
|
|||
|
|
parameter2 = "%S";
|
|||
|
|
break;
|
|||
|
|
case DateType.Minute:
|
|||
|
|
parameter2 = "%M";
|
|||
|
|
break;
|
|||
|
|
case DateType.Weekday:
|
|||
|
|
return $" cast (strftime('%w', {parameter.MemberName}) as integer) ";
|
|||
|
|
case DateType.Millisecond:
|
|||
|
|
default:
|
|||
|
|
Check.ThrowNotSupportedException(typeName);
|
|||
|
|
break;
|
|||
|
|
}
|
|||
|
|
return string.Format(" CAST(STRFTIME('{1}', DATETIME({0}) ) AS INTEGER)", parameter.MemberName, parameter2);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
public override string DateIsSameDay(MethodCallExpressionModel model)
|
|||
|
|
{
|
|||
|
|
var parameter = model.Args[0].MemberName;
|
|||
|
|
var parameter2 = model.Args[1].MemberName;
|
|||
|
|
int time = 1;
|
|||
|
|
return string.Format(" strftime('%Y-%m-%d', {0})= strftime('%Y-%m-%d', {1}) ", parameter, parameter2, time);
|
|||
|
|
}
|
|||
|
|
public override string DateIsSameByType(MethodCallExpressionModel model)
|
|||
|
|
{
|
|||
|
|
var parameter = model.Args[0].MemberName;
|
|||
|
|
var parameter2 = model.Args[1].MemberName;
|
|||
|
|
var parameter3 = model.Args[2].MemberValue;
|
|||
|
|
var type = (DateType)Enum.Parse(typeof(DateType), parameter3.ObjToString(), false);
|
|||
|
|
int time = 1;
|
|||
|
|
switch (type)
|
|||
|
|
{
|
|||
|
|
case DateType.Year:
|
|||
|
|
time = time * 1 / 365;
|
|||
|
|
break;
|
|||
|
|
case DateType.Month:
|
|||
|
|
time = time * 1 / 30;
|
|||
|
|
break;
|
|||
|
|
case DateType.Day:
|
|||
|
|
break;
|
|||
|
|
case DateType.Hour:
|
|||
|
|
time = time * 24;
|
|||
|
|
break;
|
|||
|
|
case DateType.Second:
|
|||
|
|
time = time * 24 * 60 * 60;
|
|||
|
|
break;
|
|||
|
|
case DateType.Minute:
|
|||
|
|
time = time * 24 * 60;
|
|||
|
|
break;
|
|||
|
|
case DateType.Millisecond:
|
|||
|
|
time = time * 24 * 60 * 60 * 1000;
|
|||
|
|
break;
|
|||
|
|
}
|
|||
|
|
return string.Format(" Cast((JulianDay({0}) - JulianDay({1})) *{2} As INTEGER)", parameter, parameter2, time);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
public override string MergeString(params string[] strings)
|
|||
|
|
{
|
|||
|
|
return string.Join("||", strings).Replace("+","");
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
public override string IsNull(MethodCallExpressionModel model)
|
|||
|
|
{
|
|||
|
|
var parameter = model.Args[0];
|
|||
|
|
var parameter1 = model.Args[1];
|
|||
|
|
return string.Format("IFNULL({0},{1})", parameter.MemberName, parameter1.MemberName);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
public override string GetDate()
|
|||
|
|
{
|
|||
|
|
return "DATETIME('now', 'localtime')";
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
public override string GetRandom()
|
|||
|
|
{
|
|||
|
|
return "RANDOM()";
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
public override string CharIndex(MethodCallExpressionModel model)
|
|||
|
|
{
|
|||
|
|
var parameterNameA = model.Args[0].MemberName;
|
|||
|
|
var parameterNameB = model.Args[1].MemberName;
|
|||
|
|
return $" INSTR(LOWER({parameterNameA}), LOWER({parameterNameB})) ";
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
public override string TrimEnd(MethodCallExpressionModel mode)
|
|||
|
|
{
|
|||
|
|
var parameterNameA = mode.Args[0].MemberName;
|
|||
|
|
var parameterNameB = mode.Args[1].MemberName;
|
|||
|
|
return $" CASE WHEN SUBSTR({parameterNameA}, -1) = {parameterNameB} THEN SUBSTR({parameterNameA}, 1, LENGTH({parameterNameA}) - 1) ELSE {parameterNameA} END ";
|
|||
|
|
}
|
|||
|
|
public override string TrimStart(MethodCallExpressionModel mode)
|
|||
|
|
{
|
|||
|
|
|
|||
|
|
var parameterNameA = mode.Args[0].MemberName;
|
|||
|
|
var parameterNameB = mode.Args[1].MemberName;
|
|||
|
|
return $" CASE WHEN SUBSTR({parameterNameA}, 1, 1) ={parameterNameB} THEN SUBSTR({parameterNameA}, 2) ELSE {parameterNameA} END ";
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
public override string PadLeft(MethodCallExpressionModel mode)
|
|||
|
|
{
|
|||
|
|
var parameterNameA = mode.Args[0].MemberName;
|
|||
|
|
var parameterNameB = mode.Args[1].MemberName;
|
|||
|
|
var parameterNameC = mode.Args[2].MemberName;
|
|||
|
|
var value = new string[mode.Args[1].MemberValue.ObjToInt()].Select(it=> parameterNameC);
|
|||
|
|
return $"substr({string.Join("||", value)} || {parameterNameA}, {parameterNameB}*-1) ";
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
public override string Left(MethodCallExpressionModel mode)
|
|||
|
|
{
|
|||
|
|
var parameterNameA = mode.Args[0].MemberName;
|
|||
|
|
var parameterNameB = mode.Args[1].MemberName;
|
|||
|
|
return $" SUBSTR({parameterNameA}, 1, {parameterNameB}) ";
|
|||
|
|
}
|
|||
|
|
public override string Right(MethodCallExpressionModel mode)
|
|||
|
|
{
|
|||
|
|
var parameterNameA = mode.Args[0].MemberName;
|
|||
|
|
var parameterNameB = mode.Args[1].MemberName;
|
|||
|
|
return $" SUBSTR({parameterNameA}, -2, {parameterNameB}) ";
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
public override string NewUid(MethodCallExpressionModel mode)
|
|||
|
|
{
|
|||
|
|
return " substr(upper(hex(randomblob(4))), 1, 8) || '-' ||\r\n substr(upper(hex(randomblob(2))), 1, 4) || '-' ||\r\n '4' || substr(upper(hex(randomblob(2))), 2, 3) || '-' ||\r\n substr('89ab', 1 + (abs(random()) % 4), 1) || substr(upper(hex(randomblob(2))), 2, 3) || '-' ||\r\n substr(upper(hex(randomblob(6))), 1, 12) ";
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
}
|