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This commit is contained in:
sunkaixuan 2017-06-19 02:01:17 +08:00
parent 41d3af5277
commit d3516c872f
1 changed files with 32 additions and 20 deletions
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52
SqlSugar/Abstract/SqlBuilderProvider/InsertBuilder.cs
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@ -3,17 +3,21 @@ using System.Collections.Generic;
using System.Text;
using System.Linq;
using System.Linq.Expressions;
namespace SqlSugar
{
public class InsertBuilder : IDMLBuilder
{
#region Init
public InsertBuilder()
{
this.sql = new StringBuilder();
this.Parameters = new List<SugarParameter>();
this.DbColumnInfoList = new List<DbColumnInfo>();
}
#endregion
#region Common Properties
public SqlSugarClient Context { get; set; }
public ILambdaExpressions LambdaExpressions { get; set; }
public ISqlBuilder Builder { get; set; }
@ -23,8 +27,10 @@ namespace SqlSugar
public List<DbColumnInfo> DbColumnInfoList { get; set; }
public bool IsNoInsertNull { get; set; }
public bool IsReturnIdentity { get; set; }
public EntityInfo EntityInfo { get; set; }
public EntityInfo EntityInfo { get; set; }
#endregion
#region SqlTemplate
public virtual string SqlTemplate
{
get
@ -46,19 +52,20 @@ namespace SqlSugar
}
}
}
public virtual string SqlTemplateBatch {
get {
public virtual string SqlTemplateBatch
{
get
{
return "INSERT {0} ({1})";
}
}
public virtual string SqlTemplateBatchSelect {
get {
public virtual string SqlTemplateBatchSelect
{
get
{
return "{0} AS {1}";
}
}
public virtual string SqlTemplateBatchUnion
{
get
@ -67,6 +74,9 @@ namespace SqlSugar
}
}
#endregion
#region Methods
public virtual void Clear()
{
@ -84,8 +94,6 @@ namespace SqlSugar
return result;
}
}
public virtual ExpressionResult GetExpressionValue(Expression expression, ResolveExpressType resolveType)
{
ILambdaExpressions resolveExpress = this.LambdaExpressions;
@ -112,16 +120,18 @@ namespace SqlSugar
string columnParametersString = string.Join(",", this.DbColumnInfoList.Select(it => Builder.SqlParameterKeyWord + it.DbColumnName));
return string.Format(SqlTemplate, GetTableNameString, columnsString, columnParametersString);
}
else {
else
{
StringBuilder batchInsetrSql = new StringBuilder();
int pageSize = 200;
int pageIndex = 1;
int totalRecord = groupList.Count;
int pageCount = (totalRecord + pageSize - 1) / pageSize;
while (pageCount >= pageIndex) {
while (pageCount >= pageIndex)
{
batchInsetrSql.AppendFormat(SqlTemplateBatch, GetTableNameString, columnsString);
int i = 0;
foreach (var columns in groupList.Skip((pageIndex-1)*pageSize).Take(pageSize).ToList())
foreach (var columns in groupList.Skip((pageIndex - 1) * pageSize).Take(pageSize).ToList())
{
var isFirst = i == 0;
if (!isFirst)
@ -137,27 +147,29 @@ namespace SqlSugar
return batchInsetrSql.ToString();
}
}
public object FormatValue(object value)
public virtual object FormatValue(object value)
{
if (value == null)
{
return "NULL";
}
else {
else
{
var type = value.GetType();
if (type == PubConst.DateType)
{
return "'" + value.ObjToDate().ToString("yyyy-MM-dd hh:mm:ss.fff") + "'";
}
else if (type == PubConst.StringType|| type == PubConst.ObjType)
else if (type == PubConst.StringType || type == PubConst.ObjType)
{
return "N'" + value.ToString().ToSqlFilter() + "'";
}
else {
else
{
return "N'" + value.ToString() + "'";
}
}
}
}
#endregion
}
}