/// <summary>
/// Reads the table data and returns the INSERT statements
/// </summary>
/// <param name="databaseTable">The database table.</param>
/// <param name="connectionString">The connection string.</param>
/// <param name="providerName">Name of the provider.</param>
/// <returns></returns>
public string ReadTable(DatabaseTable databaseTable, string connectionString, string providerName)
{
var r = new Reader(databaseTable, connectionString, providerName);
r.PageSize = PageSize;
var dt = r.Read();
var w = new InsertWriter(databaseTable, dt);
w.IncludeIdentity = IncludeIdentity;
w.IncludeBlobs = IncludeBlobs;
return w.Write(FindSqlType(providerName));
}
public void TestInsertIntegration()
{
//arrange
var dbReader = TestHelper.GetNorthwindReader();
var table = dbReader.Table("Orders");
var rdr = new Reader(table, ConnectionString, Providername);
var dt = rdr.Read();
var insertWriter = new InsertWriter(table, dt);
insertWriter.IncludeIdentity = true;
//act
string txt = insertWriter.Write(SqlType.SqlServer);
//assert
Console.WriteLine(txt);
//check this manually
}
public bool RunData(DirectoryInfo directory, SqlType dialect, DatabaseTable table)
{
if (table == null)
{
Message = "No table";
return false;
}
var path = Path.Combine(directory.FullName, table.Name + "_data.sql");
try
{
var rdr = new Reader(table, table.DatabaseSchema.ConnectionString, table.DatabaseSchema.Provider);
var dt = rdr.Read();
var insertWriter = new InsertWriter(table, dt);
//we have special processing for sqlserver
if (dialect == SqlType.SqlServer || dialect == SqlType.SqlServerCe
//assume db2 uses "generated by default" not "generated always".
|| dialect == SqlType.SQLite
//SQLite is fine with identity inserts and MySQL autoincrement is effectively DEFAULT=MAX(col) anyway
|| dialect == SqlType.Db2 || dialect == SqlType.MySql)
{
insertWriter.IncludeIdentity = true;
}
//act
string txt = insertWriter.Write(dialect);
File.WriteAllText(path, txt);
Message = @"Wrote " + path;
return true;
}
catch (Exception exception)
{
Message =
@"An error occurred while creating the script.\n" + exception.Message;
}
return false;
}
/// <summary>
/// Reads the table data and invokes the function for each INSERT statement. The databaseTable must have dataTypes (call DataReader.DataTypes()).
/// </summary>
/// <param name="databaseTable">The database table.</param>
/// <param name="connectionString">The connection string.</param>
/// <param name="providerName">Name of the provider.</param>
/// <param name="processRecord">The process record.</param>
public void ReadTable(DatabaseTable databaseTable, string connectionString, string providerName,
Func<string, bool> processRecord)
{
var r = new Reader(databaseTable, connectionString, providerName);
var w = new InsertWriter(databaseTable, FindSqlType(providerName));
r.Read(record =>
{
var s = w.WriteInsert(record);
return processRecord(s);
});
}
