mirror of
https://github.com/nsnail/FreeSql.git
synced 2025-05-01 14:52:50 +08:00
28 lines
1.3 KiB
C#
28 lines
1.3 KiB
C#
using FreeSql;
|
||
using FreeSql.PostgreSQL.Curd;
|
||
using System;
|
||
using System.Linq.Expressions;
|
||
|
||
public static partial class FreeSqlPostgreSQLGlobalExtensions
|
||
{
|
||
|
||
/// <summary>
|
||
/// 特殊处理类似 string.Format 的使用方法，防止注入，以及 IS NULL 转换
|
||
/// </summary>
|
||
/// <param name="that"></param>
|
||
/// <param name="args"></param>
|
||
/// <returns></returns>
|
||
public static string FormatPostgreSQL(this string that, params object[] args) => _postgresqlAdo.Addslashes(that, args);
|
||
static FreeSql.PostgreSQL.PostgreSQLAdo _postgresqlAdo = new FreeSql.PostgreSQL.PostgreSQLAdo();
|
||
|
||
/// <summary>
|
||
/// PostgreSQL9.5+ 特有的功能，On Conflict Do Update<para></para>
|
||
/// 注意：此功能会开启插入【自增列】
|
||
/// </summary>
|
||
/// <typeparam name="T1"></typeparam>
|
||
/// <param name="that"></param>
|
||
/// <param name="columns">默认是以主键作为重复判断，也可以指定其他列：a => a.Name | a => new{a.Name,a.Time} | a => new[]{"name","time"}</param>
|
||
/// <returns></returns>
|
||
public static OnConflictDoUpdate<T1> OnConflictDoUpdate<T1>(this IInsert<T1> that, Expression<Func<T1, object>> columns = null) where T1 : class => new FreeSql.PostgreSQL.Curd.OnConflictDoUpdate<T1>(that.InsertIdentity(), columns);
|
||
}
|