D T*_*D T 5 vb.net postgresql npgsql
我习惯CommandTimeout=5设置超时,但不行。
这是我的代码:
Dim con As New NpgsqlConnection
Dim cmd As New NpgsqlCommand
Dim conStr As String
Try
Dim sql = "Select * from dat_extract_text a join dat_replace_text b on a.tm_id=b.tm_id
join dat_base_text_dt c on c.tm_id=a.tm_id
join dat_base_text_dt_font d on d.tm_id=c.tm_id
limit 250000"
conStr = "Server=192.168.1.10;Port=5434;UserId=testuser;Password=1234;Database=testdb;CommandTimeout=5;"
con.ConnectionString = conStr
con.Open()
cmd.Connection = con
cmd.CommandText = sql
Dim st = DateTime.Now
Dim rs = cmd.ExecuteNonQuery
Dim et = DateTime.Now
Dim t = (et - st).TotalSeconds
Catch ex As Exception
End Try
Run Code Online (Sandbox Code Playgroud)
我的查询时间约为40s,但没有发生超时。
如何设置Npgsql的超时值?
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