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reader GetString存在bug #182

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merged 2 commits into from
Mar 21, 2022
Merged

reader GetString存在bug #182

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7b3c5f8
reader的getString中,内容出现横杆(-)的时候会有串一起的问题
pigwing Mar 21, 2022
aa29c8d
改回数据源名称
pigwing Mar 21, 2022
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22 changes: 16 additions & 6 deletions src/Example/Program.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -74,13 +74,22 @@ static void Main(string[] args)
connection.ChangeDatabase("IoTSharp");
connection.CreateCommand("CREATE TABLE IF NOT EXISTS telemetrydata (ts timestamp,value_type tinyint, value_boolean bool, value_string binary(10240), value_long bigint,value_datetime timestamp,value_double double) TAGS (deviceid binary(32),keyname binary(64));").ExecuteNonQuery();
//connection.CreateCommand($"CREATE TABLE dev_Thermometer USING telemetrydata TAGS (\"Temperature\")").ExecuteNonQuery();
var devid = $"{Guid.NewGuid():N}";
UploadTelemetryData(connection, devid, "Temperature", 999);
UploadTelemetryData(connection,devid, "Humidity", 888);
var devid1 = $"{Guid.NewGuid():N}";
var devid2 = $"{Guid.NewGuid():N}";
UploadTelemetryData(connection, devid2, "Temperature", 777);
UploadTelemetryData(connection, devid2, "Humidity", 666);
UploadTelemetryData(connection, devid1, "1#air-compressor-two-level-discharge-temperature", 2000);
UploadTelemetryData(connection, devid2, "1#air-compressor-load-rate", 2000);
var reader2 = connection.CreateCommand("select last_row(*) from telemetrydata group by deviceid,keyname ;").ExecuteReader();
var reader3 = connection.CreateCommand("select * from telemetrydata").ExecuteReader();

List<string> list = new List<string>();
while (reader3.Read())
{
list.Add(reader3.GetString("keyname"));
}

var k = list.GroupBy(e => e);
var dic = k.ToDictionary(en => en.Key, en => en.ToList());

ConsoleTableBuilder.From(reader2.ToDataTable()).WithFormat(ConsoleTableBuilderFormat.Default).ExportAndWriteLine();


Expand Down Expand Up @@ -117,11 +126,12 @@ static void Main(string[] args)

}


static void UploadTelemetryData( TaosConnection connection, string devid, string keyname, int count)
{
for (int i = 0; i < count; i++)
{
connection.CreateCommand($"INSERT INTO device_{devid}_{keyname} USING telemetrydata TAGS(\"{devid}\",\"{keyname}\") (ts,value_type,value_long) values (now,2,{i});").ExecuteNonQuery();
connection.CreateCommand($"INSERT INTO device_{devid} USING telemetrydata TAGS(\"{devid}\",\"{keyname}\") (ts,value_type,value_long) values (now,2,{i});").ExecuteNonQuery();
}
}
}
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2 changes: 1 addition & 1 deletion src/Maikebing.Data.Taos/Maikebing.Data.Taos.csproj
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Expand Up @@ -16,7 +16,7 @@
Maikebing.Data.Taos.TaosParameter
Maikebing.Data.Taos.TaosTransaction
</Description>
<TargetFrameworks>net5;netstandard2.0;net45</TargetFrameworks>
<TargetFrameworks>net5;netstandard2.0</TargetFrameworks>

<PackageTags>Taos;Data;ADO.NET;Entity Framework,;EF; Core;Data O/RM,;entity-framework-core;TDengine</PackageTags>

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