/// <summary>
/// Execute the command and take the first cell of each row to build an Enumerable of string
/// </summary>
/// <param name="cmd">A sql or mdx query to execute</param>
/// <returns>The first cell of row returned by the query</returns>
public virtual IEnumerable<string> Build(IDbCommand cmd)
{
var qe = new QueryEngineFactory().GetExecutor(cmd);
var ds = qe.Execute();
var list = Load(ds);
return list;
}
public void PersistResultSets()
{
if (ProgressStatusChanged != null)
ProgressStatusChanged(this, new ProgressStatusEventArgs(string.Format("Parsing directory {0}", DirectoryQueries)));
var files = Directory.GetFiles(DirectoryQueries, Pattern);
var i = 1;
foreach (var file in files)
{
i++;
if (ProgressStatusChanged != null)
ProgressStatusChanged(this, new ProgressStatusEventArgs(String.Format("Executing query {0} of {1}", i, files.Length+1), i, files.Length+1));
var query = File.ReadAllText(file);
var qe = new QueryEngineFactory().GetExecutor(query, ConnectionString);
var ds = qe.Execute();
if (ProgressStatusChanged != null)
ProgressStatusChanged(this, new ProgressStatusEventArgs(String.Format("Persisting results set for {0} of {1}", i, files.Length+1), i, files.Length+1));
ResultSetWriter.Write(Path.GetFileNameWithoutExtension(file) + String.Format(".csv"), ds);
}
if (ProgressStatusChanged != null)
ProgressStatusChanged(this, new ProgressStatusEventArgs(string.Format("Directory {0} parsed", DirectoryQueries)));
}
public virtual ResultSet Build(IDbCommand cmd)
{
var qe = new QueryEngineFactory().GetExecutor(cmd);
var ds = qe.Execute();
var rs = new ResultSet();
rs.Load(ds);
return rs;
}
/// <summary>
/// Execute the command and take the first cell of each row to build an Enumerable of string
/// </summary>
/// <param name="cmd">A sql or mdx query to execute</param>
/// <returns>The first cell of row returned by the query</returns>
public virtual IEnumerable <string> Build(IDbCommand cmd)
{
var qe = new QueryEngineFactory().GetExecutor(cmd);
var ds = qe.Execute();
var list = Load(ds);
return(list);
}
public void Parse_CorrectTableName_Success()
{
var sql = "SELECT * FROM [HumanResources].[Department];";
var cmd = new SqlCommand(sql, new SqlConnection(ConnectionStringReader.GetSqlClient()));
var qp = new QueryEngineFactory().GetParser(cmd);
var res = qp.Parse();
Assert.That(res.IsSuccesful, Is.True);
}
public void Parse_WrongField_Failed()
{
var sql = "select [DepartmentID], Name, WrongField from [HumanResources].[Department];";
var cmd = new SqlCommand(sql, new SqlConnection(ConnectionStringReader.GetSqlClient()));
var qp = new QueryEngineFactory().GetParser(cmd);
var res = qp.Parse();
Assert.That(res.IsSuccesful, Is.False);
Assert.That(res.Errors[0], Is.EqualTo("Invalid column name 'WrongField'."));
}
public void CheckPerformance_OneQuery_ReturnElapsedTime()
{
var sql = "WAITFOR DELAY '00:00:00';";
var cmd = new SqlCommand(sql, new SqlConnection(ConnectionStringReader.GetSqlClient()));
var qp = new QueryEngineFactory().GetPerformance(cmd);
var res = qp.CheckPerformance();
Assert.That(res.TimeElapsed.TotalMilliseconds, Is.GreaterThanOrEqualTo(0).And.LessThan(5000));
Assert.That(res.IsTimeOut, Is.False);
}
public void CheckPerformance_OneQueryHavingTimeout_ReturnTimeoutInfo()
{
var sql = "WAITFOR DELAY '00:00:03';";
var cmd = new SqlCommand(sql, new SqlConnection(ConnectionStringReader.GetSqlClient()));
var qp = new QueryEngineFactory().GetPerformance(cmd);
var res = qp.CheckPerformance(1000);
Assert.That(res.TimeOut.TotalMilliseconds, Is.EqualTo(1000));
Assert.That(res.IsTimeOut, Is.True);
}
public void Parse_DontExecuteEffectivelyQuery()
{
var sqlCount = @"SELECT COUNT(*) from [HumanResources].[Department]";
var sql = @"DELETE from [HumanResources].[Department]";
var countBefore = ExecuteCount(sqlCount);
if (countBefore == 0) //If nothing was present we cannot assert
Assert.Inconclusive();
var cmd = new SqlCommand(sql, new SqlConnection(ConnectionStringReader.GetSqlClient()));
var qp = new QueryEngineFactory().GetParser(cmd);
var res = qp.Parse();
if (!res.IsSuccesful)//If syntax is incorrect we cannot assert
Assert.Inconclusive();
var countAfter = ExecuteCount(sqlCount);
Assert.That(countAfter, Is.EqualTo(countBefore));
}
public void CreateResultSet(string queriesDirectory)
{
var queryFiles = System.IO.Directory.EnumerateFiles(queriesDirectory);
if(!Directory.Exists(_resultSetWriter.PersistencePath))
Directory.CreateDirectory(_resultSetWriter.PersistencePath);
foreach (var queryFile in queryFiles)
{
string query;
using (StreamReader infile = new StreamReader(Path.Combine(queriesDirectory, queryFile)))
{
query=infile.ReadToEnd();
}
var qe = new QueryEngineFactory().GetExecutor(query, ConnectionString);
var ds = qe.Execute();
var resultFile = Path.GetFileName(Path.ChangeExtension(queryFile,"csv"));
_resultSetWriter.Write(resultFile, ds);
}
}
public void Parse_WrongSyntax_Failed()
{
var sql = "SELECTION [DepartmentID], Name, WrongField1, WrongField2 from [HumanResources].[Department];";
var cmd = new SqlCommand(sql, new SqlConnection(ConnectionStringReader.GetSqlClient()));
var qp = new QueryEngineFactory().GetParser(cmd);
var res = qp.Parse();
Assert.That(res.IsSuccesful, Is.False);
Assert.That(res.Errors[0], Is.EqualTo("Incorrect syntax near 'SELECTION'."));
}
public void Parse_WrongTableName_Failed()
{
var sql = "SELECT * FROM WrongTableName;";
var cmd = new SqlCommand(sql, new SqlConnection(ConnectionStringReader.GetSqlClient()));
var qp = new QueryEngineFactory().GetParser(cmd);
var res = qp.Parse();
Assert.That(res.IsSuccesful, Is.False);
Assert.That(res.Errors[0], Is.EqualTo("Invalid object name 'WrongTableName'."));
}
public void ReadFromQuery(string query, string connectionString)
{
var queryEngineFactory = new QueryEngineFactory();
var queryEngine = queryEngineFactory.GetExecutor(query, connectionString);
var ds = queryEngine.Execute();
content = ds.Tables[0];
variables.Clear();
foreach (DataColumn col in Content.Columns)
variables.Add(col.ColumnName);
}
