public async Task TestExecuteStatement()
{
//ARRANGE
PrestoClientSessionConfig Config = new PrestoClientSessionConfig("hive", Table)
{
Host = "localhost",
Port = 8080
};
IPrestoClient Client = new PrestodbClient(Config);
ExecuteQueryV1Request Req = new ExecuteQueryV1Request("select * from tracklets limit 5;");
// ACT
ExecuteQueryV1Response Res = await Client.ExecuteQueryV1(Req);
// ASSERT
Assert.True(Res.QueryClosed == true);
}
public async Task TestExecuteStatementWhere()
{
//ARRANGE
PrestoClientSessionConfig Config = new PrestoClientSessionConfig("hive", Schema)
{
Host = "localhost",
Port = 8080
};
IPrestoClient Client = new PrestodbClient(Config);
ExecuteQueryV1Request Req = new ExecuteQueryV1Request("select id,length,objectclass from tracklets WHERE length > 1000 LIMIT 5;");
// ACT
ExecuteQueryV1Response Res = await Client.ExecuteQueryV1(Req);
// ASSERT
Assert.True(Res.QueryClosed == true);
}
public async Task CreateTable()
{
// ARRANGE
PrestoClientSessionConfig Config = new PrestoClientSessionConfig("hive", Schema)
{
Host = "localhost",
Port = 8080
};
IPrestoClient Client = new PrestodbClient(Config);
ExecuteQueryV1Request Req = new ExecuteQueryV1Request($"CREATE TABLE IF NOT EXISTS tracklets (id bigint, objectclass varchar, length double, trackdata array(varchar), platform varchar,spectrum varchar, timestamp bigint) WITH (format = 'AVRO', external_location = '{S3_Location}');");
// ACT
ExecuteQueryV1Response Res = await Client.ExecuteQueryV1(Req);
// ASSERT
Assert.True(Res.QueryClosed == true);
}
public async Task CreateSchema()
{
// ARRANGE
PrestoClientSessionConfig Config = new PrestoClientSessionConfig()
{
Host = "localhost",
Port = 8080
};
IPrestoClient Client = new PrestodbClient(Config);
ExecuteQueryV1Request Req = new ExecuteQueryV1Request($"CREATE SCHEMA IF NOT EXISTS hive.{Schema}");
// ACT
ExecuteQueryV1Response Res = await Client.ExecuteQueryV1(Req);
// ASSERT
Assert.True(Res.QueryClosed == true);
}
public async Task TestQueryResultDataToCsv()
{
//ARRANGE
PrestoClientSessionConfig Config = new PrestoClientSessionConfig("hive", Table)
{
Host = "localhost",
Port = 8080
};
IPrestoClient Client = new PrestodbClient(Config);
ExecuteQueryV1Request Req = new ExecuteQueryV1Request("select * from tracklets limit 5;");
// ACT
ExecuteQueryV1Response Res = await Client.ExecuteQueryV1(Req);
string Csv = String.Join("\n", Res.DataToCsv());
// ASSERT
Assert.True(Res.QueryClosed == true && !String.IsNullOrEmpty(Csv));
}
