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Oracle contains num > 1000

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sunkaixuan
2020-11-10 19:33:27 +08:00
parent 15573551bf
commit f71fb3d9d8
3 changed files with 85 additions and 1 deletions
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39
Src/Asp.Net/SqlSugar/Realization/Oracle/SqlBuilder/OracleExpressionContext.cs
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@@ -1,4 +1,5 @@
using System;
using System.Collections;
using System.Collections.Generic;
using System.Collections.ObjectModel;
using System.Linq;
@@ -14,7 +15,7 @@ namespace SqlSugar
public SqlSugarProvider Context { get; set; }
public OracleExpressionContext()
{
base.DbMehtods = new OracleMethod();
base.DbMehtods = new OracleMethod();
}
public override string SqlParameterKeyWord
{
@@ -40,6 +41,42 @@ namespace SqlSugar
}
public partial class OracleMethod : DefaultDbMethod, IDbMethods
{
private void PageEach<T>(IEnumerable<T> pageItems, int pageSize, Action<List<T>> action)
{
if (pageItems != null && pageItems.Any())
{
int totalRecord = pageItems.Count();
int pageCount = (totalRecord + pageSize - 1) / pageSize;
for (int i = 1; i <= pageCount; i++)
{
var list = pageItems.Skip((i - 1) * pageSize).Take(pageSize).ToList();
action(list);
}
}
}
public override string ContainsArray(MethodCallExpressionModel model)
{
if (model.Args[0].MemberValue == null)
{
return base.ContainsArray(model);
}
var inValueIEnumerable = ((IEnumerable)model.Args[0].MemberValue).Cast<object>().ToArray();
if (inValueIEnumerable.Count() < 1000)
{
return base.ContainsArray(model);
}
else
{
string result = "";
PageEach(inValueIEnumerable, 999, it =>
{
model.Args.First().MemberValue = it;
result+= (base.ContainsArray(model) + " OR ");
});
return " ( "+result.TrimEnd(' ').TrimEnd('R').TrimEnd('O')+" ) ";
}
}
public override string ToInt64(MethodCallExpressionModel model)
{
var parameter = model.Args[0];