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grzegorz.russek
2016-09-29 10:14:34 +00:00
parent 4fcef4d1ef
commit d8b6c8f488
9 changed files with 883 additions and 290 deletions
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719
AmalgamationTool/DynamORM.Amalgamation.cs
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@@ -60,6 +60,492 @@ using DynamORM.Mapper;
namespace DynamORM
{
/// <summary>Cache data reader in memory.</summary>
internal class DynamicCachedReader : DynamicObject, IDataReader
{
#region Constructor and Data
private DataTable _schema;
private int _fields;
private int _rows;
private int _position;
private int _cachePos;
private IList<string> _names;
private IDictionary<string, int> _ordinals;
private IList<Type> _types;
private IList<object> _cache;
private DynamicCachedReader()
{
}
/// <summary>Initializes a new instance of the <see cref="DynamicCachedReader"/> class.</summary>
/// <param name="reader">Reader to cache.</param>
public DynamicCachedReader(IDataReader reader)
{
InitDataReader(reader);
}
#endregion Constructor and Data
#region Helpers
/// <summary>Create data reader from enumerable.</summary>
/// <typeparam name="T">Type of enumerated objects.</typeparam>
/// <param name="objects">List of objects.</param>
/// <returns>Instance of <see cref="DynamicCachedReader"/> containing objects data.</returns>
public static DynamicCachedReader FromEnumerable<T>(IEnumerable<T> objects)
{
var mapper = DynamicMapperCache.GetMapper<T>();
if (mapper == null)
throw new InvalidCastException(string.Format("Object type '{0}' can't be mapped.", typeof(T).FullName));
var r = new DynamicCachedReader();
r.Init(mapper.ColumnsMap.Count + 1);
r.CreateSchemaTable(mapper);
r.FillFromEnumerable(objects, mapper);
return r;
}
private void InitDataReader(IDataReader reader)
{
_schema = reader.GetSchemaTable();
Init(reader.FieldCount);
int i = 0;
for (i = 0; i < _fields; i++)
{
_names.Add(reader.GetName(i));
_types.Add(reader.GetFieldType(i));
if (!_ordinals.ContainsKey(reader.GetName(i).ToUpper()))
_ordinals.Add(reader.GetName(i).ToUpper(), i);
}
while (reader.Read())
{
for (i = 0; i < _fields; i++)
_cache.Add(reader[i]);
_rows++;
}
IsClosed = false;
_position = -1;
_cachePos = -1;
reader.Close();
}
private void FillFromEnumerable<T>(IEnumerable<T> objects, DynamicTypeMap mapper)
{
foreach (var elem in objects)
{
foreach (var col in mapper.ColumnsMap)
{
object val = null;
if (col.Value.Get != null)
val = col.Value.Get(elem);
_cache.Add(val);
}
_cache.Add(elem);
_rows++;
}
}
private void CreateSchemaTable(DynamicTypeMap mapper)
{
_schema = new DataTable("DYNAMIC");
_schema.Columns.Add(new DataColumn("ColumnName", typeof(string)));
_schema.Columns.Add(new DataColumn("ColumnOrdinal", typeof(int)));
_schema.Columns.Add(new DataColumn("ColumnSize", typeof(int)));
_schema.Columns.Add(new DataColumn("NumericPrecision", typeof(short)));
_schema.Columns.Add(new DataColumn("NumericScale", typeof(short)));
_schema.Columns.Add(new DataColumn("DataType", typeof(Type)));
_schema.Columns.Add(new DataColumn("ProviderType", typeof(int)));
_schema.Columns.Add(new DataColumn("NativeType", typeof(int)));
_schema.Columns.Add(new DataColumn("AllowDBNull", typeof(bool)));
_schema.Columns.Add(new DataColumn("IsUnique", typeof(bool)));
_schema.Columns.Add(new DataColumn("IsKey", typeof(bool)));
_schema.Columns.Add(new DataColumn("IsAutoIncrement", typeof(bool)));
int ordinal = 0;
DataRow dr = null;
foreach (var column in mapper.ColumnsMap)
{
dr = _schema.NewRow();
dr[0] = column.Value.Column.NullOr(x => x.Name ?? column.Value.Name, column.Value.Name);
dr[1] = ordinal;
dr[2] = column.Value.Column.NullOr(x => x.Size ?? int.MaxValue, int.MaxValue);
dr[3] = column.Value.Column.NullOr(x => x.Precision ?? 0, 0);
dr[4] = column.Value.Column.NullOr(x => x.Scale ?? 0, 0);
dr[5] = column.Value.Column.NullOr(x => x.Type.HasValue ? x.Type.Value.ToType() : column.Value.Type, column.Value.Type);
dr[6] = column.Value.Column.NullOr(x => x.Type ?? column.Value.Type.ToDbType(), column.Value.Type.ToDbType());
dr[7] = column.Value.Column.NullOr(x => x.Type ?? column.Value.Type.ToDbType(), column.Value.Type.ToDbType());
dr[8] = !column.Value.Column.NullOr(x => x.IsKey, false);
dr[9] = false;
dr[10] = column.Value.Column.NullOr(x => x.IsKey, false);
dr[11] = false;
_schema.Rows.Add(dr);
_names.Add(dr[0].ToString());
_ordinals.Add(dr[0].ToString().ToUpper(), ordinal++);
_types.Add((Type)dr[5]);
dr.AcceptChanges();
}
dr = _schema.NewRow();
dr[0] = "#O";
dr[1] = ordinal;
dr[2] = int.MaxValue;
dr[3] = 0;
dr[4] = 0;
dr[5] = mapper.Type;
dr[6] = DbType.Object;
dr[7] = DbType.Object;
dr[8] = true;
dr[9] = false;
dr[10] = false;
dr[11] = false;
_schema.Rows.Add(dr);
_names.Add("#O");
_ordinals.Add("#O".ToUpper(), ordinal++);
_types.Add(mapper.Type);
dr.AcceptChanges();
}
private void Init(int fieldCount)
{
_rows = 0;
_fields = fieldCount;
_names = new List<string>(_fields);
_ordinals = new Dictionary<string, int>(_fields);
_types = new List<Type>(_fields);
_cache = new List<object>(_fields * 100);
}
#endregion Helpers
#region IDataReader Members
/// <summary>Closes the System.Data.IDataReader Object.</summary>
public void Close()
{
IsClosed = true;
_position = _rows;
_cachePos = -1;
}
/// <summary>Gets a value indicating the depth of nesting for the current row.</summary>
/// <remarks>This implementation use this field to indicate row count.</remarks>
public int Depth
{
get { return _rows; }
}
/// <summary>Returns a System.Data.DataTable that describes the column metadata of the
/// System.Data.IDataReader.</summary><returns>A System.Data.DataTable that describes
/// the column metadata.</returns><exception cref="System.InvalidOperationException">
/// The System.Data.IDataReader is closed.</exception>
public DataTable GetSchemaTable()
{
return _schema;
}
/// <summary>Gets a value indicating whether the data reader is closed.</summary>
public bool IsClosed { get; private set; }
/// <summary>Advances the data reader to the next result, when reading the results of batch SQL statements.</summary>
/// <returns>Returns true if there are more rows; otherwise, false.</returns>
public bool NextResult()
{
_cachePos = (++_position) * _fields;
return _position < _rows;
}
/// <summary>Advances the System.Data.IDataReader to the next record.</summary>
/// <returns>Returns true if there are more rows; otherwise, false.</returns>
public bool Read()
{
_cachePos = (++_position) * _fields;
return _position < _rows;
}
/// <summary>Gets the number of rows changed, inserted, or deleted by execution of the SQL statement.</summary>
/// <returns>The number of rows changed, inserted, or deleted; 0 if no rows were affected or the statement
/// failed; and -1 for SELECT statements.</returns>
public int RecordsAffected { get { return 0; } }
#endregion IDataReader Members
#region IDisposable Members
/// <summary>Performs application-defined tasks associated with
/// freeing, releasing, or resetting unmanaged resources.</summary>
public void Dispose()
{
_names.Clear();
_types.Clear();
_cache.Clear();
_schema.Dispose();
}
#endregion IDisposable Members
#region IDataRecord Members
/// <summary>Gets the number of columns in the current row.</summary>
/// <remarks>When not positioned in a valid record set, 0; otherwise, the number of columns in the current record. The default is -1.</remarks>
public int FieldCount { get { return _fields; } }
/// <summary>Return the value of the specified field.</summary>
/// <param name="i">The index of the field to find.</param>
/// <returns>Field value upon return.</returns>
public bool GetBoolean(int i)
{
return (bool)_cache[_cachePos + i];
}
/// <summary>Return the value of the specified field.</summary>
/// <param name="i">The index of the field to find.</param>
/// <returns>Field value upon return.</returns>
public byte GetByte(int i)
{
return (byte)_cache[_cachePos + i];
}
/// <summary>Reads a stream of bytes from the specified column offset into the buffer
/// as an array, starting at the given buffer offset.</summary>
/// <param name="i">The index of the field to find.</param>
/// <param name="fieldOffset">The index within the field from which to start the read operation.</param>
/// <param name="buffer">The buffer into which to read the stream of bytes.</param>
/// <param name="bufferoffset">The index for buffer to start the read operation.</param>
/// <param name="length">The number of bytes to read.</param>
/// <returns>The actual number of bytes read.</returns>
public long GetBytes(int i, long fieldOffset, byte[] buffer, int bufferoffset, int length)
{
using (MemoryStream ms = new MemoryStream((byte[])_cache[_cachePos + i]))
return ms.Read(buffer, bufferoffset, length);
}
/// <summary>Return the value of the specified field.</summary>
/// <param name="i">The index of the field to find.</param>
/// <returns>Field value upon return.</returns>
public char GetChar(int i)
{
return (char)_cache[_cachePos + i];
}
/// <summary>Reads a stream of characters from the specified column offset into the buffer
/// as an array, starting at the given buffer offset.</summary>
/// <param name="i">The zero-based column ordinal.</param>
/// <param name="fieldoffset">The index within the row from which to start the read operation.</param>
/// <param name="buffer">The buffer into which to read the stream of bytes.</param>
/// <param name="bufferoffset">The index for buffer to start the read operation.</param>
/// <param name="length">The number of bytes to read.</param>
/// <returns>The actual number of characters read.</returns>
public long GetChars(int i, long fieldoffset, char[] buffer, int bufferoffset, int length)
{
using (MemoryStream ms = new MemoryStream((byte[])_cache[_cachePos + i]))
{
byte[] buff = new byte[buffer.Length];
long ret = ms.Read(buff, bufferoffset, length);
for (int n = bufferoffset; n < ret; n++)
buffer[n] = (char)buff[n];
return ret;
}
}
/// <summary>Returns an System.Data.IDataReader for the specified column ordinal.</summary>
/// <param name="i">The index of the field to find.</param>
/// <returns>An System.Data.IDataReader.</returns>
public IDataReader GetData(int i)
{
return null;
}
/// <summary>Gets the data type information for the specified field.</summary>
/// <param name="i">The index of the field to find.</param>
/// <returns>The data type information for the specified field.</returns>
public string GetDataTypeName(int i)
{
return _types[i].Name;
}
/// <summary>Return the value of the specified field.</summary>
/// <param name="i">The index of the field to find.</param>
/// <returns>Field value upon return.</returns>
public DateTime GetDateTime(int i)
{
return (DateTime)_cache[_cachePos + i];
}
/// <summary>Return the value of the specified field.</summary>
/// <param name="i">The index of the field to find.</param>
/// <returns>Field value upon return.</returns>
public decimal GetDecimal(int i)
{
return (decimal)_cache[_cachePos + i];
}
/// <summary>Return the value of the specified field.</summary>
/// <param name="i">The index of the field to find.</param>
/// <returns>Field value upon return.</returns>
public double GetDouble(int i)
{
return (double)_cache[_cachePos + i];
}
/// <summary>Gets the System.Type information corresponding to the type of System.Object
/// that would be returned from System.Data.IDataRecord.GetValue(System.Int32).</summary>
/// <param name="i">The index of the field to find.</param>
/// <returns>The System.Type information corresponding to the type of System.Object that
/// would be returned from System.Data.IDataRecord.GetValue(System.Int32).</returns>
public Type GetFieldType(int i)
{
return _types[i];
}
/// <summary>Return the value of the specified field.</summary>
/// <param name="i">The index of the field to find.</param>
/// <returns>Field value upon return.</returns>
public float GetFloat(int i)
{
return (float)_cache[_cachePos + i];
}
/// <summary>Return the value of the specified field.</summary>
/// <param name="i">The index of the field to find.</param>
/// <returns>Field value upon return.</returns>
public Guid GetGuid(int i)
{
return (Guid)_cache[_cachePos + i];
}
/// <summary>Return the value of the specified field.</summary>
/// <param name="i">The index of the field to find.</param>
/// <returns>Field value upon return.</returns>
public short GetInt16(int i)
{
return (short)_cache[_cachePos + i];
}
/// <summary>Return the value of the specified field.</summary>
/// <param name="i">The index of the field to find.</param>
/// <returns>Field value upon return.</returns>
public int GetInt32(int i)
{
return (int)_cache[_cachePos + i];
}
/// <summary>Return the value of the specified field.</summary>
/// <param name="i">The index of the field to find.</param>
/// <returns>Field value upon return.</returns>
public long GetInt64(int i)
{
return (long)_cache[_cachePos + i];
}
/// <summary>Gets the name for the field to find.</summary>
/// <param name="i">The index of the field to find.</param>
/// <returns>The name of the field or the empty string (""), if there is no value to return.</returns>
public string GetName(int i)
{
return _names[i];
}
/// <summary>Return the index of the named field.</summary>
/// <param name="name">The name of the field to find.</param>
/// <returns>The index of the named field.</returns>
public int GetOrdinal(string name)
{
if (_ordinals.ContainsKey(name.ToUpper()))
return _ordinals[name.ToUpper()];
return -1;
}
/// <summary>Return the value of the specified field.</summary>
/// <param name="i">The index of the field to find.</param>
/// <returns>Field value upon return.</returns>
public string GetString(int i)
{
return (string)_cache[_cachePos + i];
}
/// <summary>Return the value of the specified field.</summary>
/// <param name="i">The index of the field to find.</param>
/// <returns>Field value upon return.</returns>
public object GetValue(int i)
{
return _cache[_cachePos + i];
}
/// <summary>Gets all the attribute fields in the collection for the current record.</summary>
/// <param name="values">An array of System.Object to copy the attribute fields into.</param>
/// <returns>The number of instances of System.Object in the array.</returns>
public int GetValues(object[] values)
{
for (int i = 0; i < _fields; i++)
values[i] = _cache[_cachePos + i];
return _fields;
}
/// <summary>Return whether the specified field is set to null.</summary>
/// <param name="i">The index of the field to find.</param>
/// <returns>Returns true if the specified field is set to null; otherwise, false.</returns>
public bool IsDBNull(int i)
{
return _cache[_cachePos + i] == null || _cache[_cachePos + i] == DBNull.Value;
}
/// <summary>Gets or sets specified value in current record.</summary>
/// <param name="name">Name of column.</param>
/// <returns>Value of specified column.</returns>
public object this[string name]
{
get
{
if (_ordinals.ContainsKey(name.ToUpper()))
return _cache[_cachePos + _ordinals[name.ToUpper()]];
throw new IndexOutOfRangeException(String.Format("Field '{0}' not found.", name));
}
}
/// <summary>Gets or sets specified value in current record.</summary>
/// <param name="i">The index of the field to find.</param>
/// <returns>Value of specified column.</returns>
public object this[int i]
{
get { return _cache[_cachePos + i]; }
}
#endregion IDataRecord Members
}
/// <summary>Small utility class to manage single columns.</summary>
public class DynamicColumn
{
@@ -1059,6 +1545,15 @@ namespace DynamORM
/// <param name="options">Connection options. <see cref="DynamicDatabaseOptions.SingleConnection"/> required.</param>
public DynamicDatabase(IDbConnection connection, DynamicDatabaseOptions options)
{
// Try to find correct provider if possible
Type t = connection.GetType();
if (t == typeof(System.Data.SqlClient.SqlConnection))
_provider = System.Data.SqlClient.SqlClientFactory.Instance;
else if (t == typeof(System.Data.Odbc.OdbcConnection))
_provider = System.Data.Odbc.OdbcFactory.Instance;
else if (t == typeof(System.Data.OleDb.OleDbConnection))
_provider = System.Data.OleDb.OleDbFactory.Instance;
IsDisposed = false;
InitCommon(connection.ConnectionString, options);
TransactionPool.Add(connection, new Stack<IDbTransaction>());
@@ -1205,6 +1700,15 @@ namespace DynamORM
return new DynamicSelectQueryBuilder(this).From(x => x(typeof(T)));
}
/// <summary>Adds to the <code>FROM</code> clause using <see cref="Type"/>.</summary>
/// <typeparam name="T">Type which can be represented in database.</typeparam>
/// <param name="alias">Table alias.</param>
/// <returns>This instance to permit chaining.</returns>
public virtual IDynamicSelectQueryBuilder From<T>(string alias)
{
return new DynamicSelectQueryBuilder(this).From(x => x(typeof(T)).As(alias));
}
/// <summary>Adds to the <code>FROM</code> clause using <see cref="Type"/>.</summary>
/// <param name="t">Type which can be represented in database.</param>
/// <returns>This instance to permit chaining.</returns>
@@ -2001,13 +2505,17 @@ namespace DynamORM
/// <returns>Enumerator of objects expanded from query.</returns>
public virtual IEnumerable<dynamic> Query(string sql, params object[] args)
{
DynamicCachedReader cache = null;
using (IDbConnection con = Open())
using (IDbCommand cmd = con.CreateCommand())
using (IDataReader rdr = cmd
.SetCommand(sql)
.AddParameters(this, args)
.ExecuteReader())
while (rdr.Read())
{
using (IDataReader rdr = cmd
.SetCommand(sql)
.AddParameters(this, args)
.ExecuteReader())
cache = new DynamicCachedReader(rdr);
while (cache.Read())
{
dynamic val = null;
@@ -2015,7 +2523,7 @@ namespace DynamORM
// http://stackoverflow.com/questions/346365/why-cant-yield-return-appear-inside-a-try-block-with-a-catch
try
{
val = rdr.RowToDynamic();
val = cache.RowToDynamic();
}
catch (ArgumentException argex)
{
@@ -2028,6 +2536,7 @@ namespace DynamORM
yield return val;
}
}
}
/// <summary>Enumerate the reader and yield the result.</summary>
@@ -2035,12 +2544,16 @@ namespace DynamORM
/// <returns>Enumerator of objects expanded from query.</returns>
public virtual IEnumerable<dynamic> Query(IDynamicQueryBuilder builder)
{
DynamicCachedReader cache = null;
using (IDbConnection con = Open())
using (IDbCommand cmd = con.CreateCommand())
using (IDataReader rdr = cmd
.SetCommand(builder)
.ExecuteReader())
while (rdr.Read())
{
using (IDataReader rdr = cmd
.SetCommand(builder)
.ExecuteReader())
cache = new DynamicCachedReader(rdr);
while (cache.Read())
{
dynamic val = null;
@@ -2048,7 +2561,7 @@ namespace DynamORM
// http://stackoverflow.com/questions/346365/why-cant-yield-return-appear-inside-a-try-block-with-a-catch
try
{
val = rdr.RowToDynamic();
val = cache.RowToDynamic();
}
catch (ArgumentException argex)
{
@@ -2061,6 +2574,7 @@ namespace DynamORM
yield return val;
}
}
}
#endregion Query
@@ -2210,8 +2724,12 @@ namespace DynamORM
/// If your database doesn't get those values in upper case (like most of the databases) you should override this method.</returns>
protected virtual IEnumerable<DynamicSchemaColumn> ReadSchema(IDbCommand cmd)
{
DataTable st = null;
using (IDataReader rdr = cmd.ExecuteReader(CommandBehavior.SchemaOnly | CommandBehavior.KeyInfo))
using (DataTable st = rdr.GetSchemaTable())
st = rdr.GetSchemaTable();
using (st)
foreach (DataRow col in st.Rows)
{
dynamic c = col.RowToDynamicUpper();
@@ -2219,7 +2737,7 @@ namespace DynamORM
yield return new DynamicSchemaColumn
{
Name = c.COLUMNNAME,
Type = DynamicExtensions.TypeMap.TryGetNullable((Type)c.DATATYPE) ?? DbType.String,
Type = ReadSchemaType(c),
IsKey = c.ISKEY ?? false,
IsUnique = c.ISUNIQUE ?? false,
Size = (int)(c.COLUMNSIZE ?? 0),
@@ -2229,6 +2747,31 @@ namespace DynamORM
}
}
/// <summary>Reads the type of column from the schema.</summary>
/// <param name="schema">The schema.</param>
/// <returns>GEneric parameter type.</returns>
protected virtual DbType ReadSchemaType(dynamic schema)
{
Type type = (Type)schema.DATATYPE;
// Small hack for SQL Server Provider
if (type == typeof(string) && Provider != null && Provider.GetType() == typeof(System.Data.SqlClient.SqlClientFactory))
{
var map = (schema as IDictionary<string, object>);
string typeName = (map.TryGetValue("DATATYPENAME") ?? string.Empty).ToString();
switch (typeName)
{
case "varchar":
return DbType.AnsiString;
case "nvarchar":
return DbType.String;
}
}
return DynamicExtensions.TypeMap.TryGetNullable(type) ?? DbType.String;
}
private Dictionary<string, DynamicSchemaColumn> BuildAndCacheSchema(string tableName, DynamicTypeMap mapper, string owner = null)
{
Dictionary<string, DynamicSchemaColumn> schema = null;
@@ -3107,6 +3650,8 @@ namespace DynamORM
if (p.DbType == DbType.String)
p.Size = item.ToString().Length > 4000 ? -1 : 4000;
else if (p.DbType == DbType.AnsiString)
p.Size = item.ToString().Length > 8000 ? -1 : 8000;
}
cmd.Parameters.Add(p);
@@ -3149,7 +3694,9 @@ namespace DynamORM
{
p.DbType = TypeMap.TryGetNullable(value.GetType()) ?? DbType.String;
if (p.DbType == DbType.String)
if (p.DbType == DbType.AnsiString)
p.Size = value.ToString().Length > 8000 ? -1 : 8000;
else if (p.DbType == DbType.String)
p.Size = value.ToString().Length > 4000 ? -1 : 4000;
p.Value = value;
@@ -3200,7 +3747,9 @@ namespace DynamORM
{
p.DbType = TypeMap.TryGetNullable(item.Value.GetType()) ?? DbType.String;
if (p.DbType == DbType.String)
if (p.DbType == DbType.AnsiString)
p.Size = item.Value.ToString().Length > 8000 ? -1 : 8000;
else if (p.DbType == DbType.String)
p.Size = item.Value.ToString().Length > 4000 ? -1 : 4000;
p.Value = item.Value;
@@ -3337,7 +3886,7 @@ namespace DynamORM
param.Direction = parameterDirection;
param.DbType = databaseType;
param.Size = size;
param.Value = value;
param.Value = value ?? DBNull.Value;
command.Parameters.Add(param);
return command;
@@ -3356,7 +3905,7 @@ namespace DynamORM
param.ParameterName = parameterName;
param.DbType = databaseType;
param.Size = size;
param.Value = value;
param.Value = value ?? DBNull.Value;
command.Parameters.Add(param);
return command;
@@ -3373,7 +3922,7 @@ namespace DynamORM
IDbDataParameter param = command.CreateParameter();
param.ParameterName = parameterName;
param.DbType = databaseType;
param.Value = value;
param.Value = value ?? DBNull.Value;
command.Parameters.Add(param);
return command;
@@ -3768,8 +4317,14 @@ namespace DynamORM
IDynamicSelectQueryBuilder sub = b.SubQuery();
subquery(b, sub);
(b as DynamicQueryBuilder).ParseCommand(sub as DynamicQueryBuilder, b.Parameters);
try
{
(b as DynamicQueryBuilder).ParseCommand(sub as DynamicQueryBuilder, b.Parameters);
}
catch (ArgumentException)
{
// This might occur if join was made to subquery
}
return b;
}
@@ -4164,6 +4719,9 @@ namespace DynamORM
/// provided <see cref="System.Data.DbType"/>.</returns>
public static Type ToType(this DbType dbt)
{
if (dbt == DbType.String)
return typeof(string);
foreach (KeyValuePair<Type, DbType> tdbt in TypeMap)
if (tdbt.Value == dbt)
return tdbt.Key;
@@ -4171,6 +4729,14 @@ namespace DynamORM
return typeof(object);
}
/// <summary>Determines whether the specified value is has only ASCII chars.</summary>
/// <param name="value">The value to check.</param>
/// <returns>Returns <c>true</c> if the specified value has only ASCII cars; otherwise, <c>false</c>.</returns>
public static bool IsASCII(this string value)
{
return Encoding.UTF8.GetByteCount(value) == value.Length;
}
#endregion Type extensions
#region IDictionary extensions
@@ -4243,6 +4809,14 @@ namespace DynamORM
yield return r.RowToDynamic();
}
internal static IDataReader CachedReader(this IDataReader r)
{
if (r is DynamicCachedReader)
return r;
return new DynamicCachedReader(r);
}
#endregion IDataReader extensions
#region Mapper extensions
@@ -4501,6 +5075,7 @@ namespace DynamORM
bool isOut = info.ArgumentNames[i].StartsWith("out_");
bool isRet = info.ArgumentNames[i].StartsWith("ret_");
bool isBoth = info.ArgumentNames[i].StartsWith("both_");
string paramName = isOut || isRet ?
info.ArgumentNames[i].Substring(4) :
isBoth ? info.ArgumentNames[i].Substring(5) :
@@ -4537,13 +5112,21 @@ namespace DynamORM
mainResult = types[0].GetDefaultValue();
if (types[0] == typeof(IDataReader))
mainResult = cmd.ExecuteReader();
{
using (IDataReader rdr = cmd.ExecuteReader())
mainResult = rdr.CachedReader();
}
else if (types[0].IsGenericEnumerable())
{
Type argType = types[0].GetGenericArguments().First();
if (argType == typeof(object))
{
IDataReader cache = null;
using (IDataReader rdr = cmd.ExecuteReader())
mainResult = rdr.EnumerateReader().ToList();
cache = rdr.CachedReader();
mainResult = cache.EnumerateReader().ToList();
}
else if (argType.IsValueType)
{
Type listType = typeof(List<>).MakeGenericType(new Type[] { argType });
@@ -4551,9 +5134,12 @@ namespace DynamORM
object defVal = listType.GetDefaultValue();
IDataReader cache = null;
using (IDataReader rdr = cmd.ExecuteReader())
while (rdr.Read())
listInstance.Add(rdr[0] == DBNull.Value ? defVal : argType.CastObject(rdr[0]));
cache = rdr.CachedReader();
while (cache.Read())
listInstance.Add(cache[0] == DBNull.Value ? defVal : argType.CastObject(cache[0]));
mainResult = listInstance;
}
@@ -4563,8 +5149,11 @@ namespace DynamORM
if (mapper == null)
throw new InvalidCastException(string.Format("Don't konw what to do with this type: '{0}'.", argType.ToString()));
IDataReader cache = null;
using (IDataReader rdr = cmd.ExecuteReader())
mainResult = rdr.EnumerateReader().MapEnumerable(argType).ToList();
cache = rdr.CachedReader();
mainResult = cache.EnumerateReader().MapEnumerable(argType).ToList();
}
}
else if (types[0].IsValueType)
@@ -7282,7 +7871,10 @@ namespace DynamORM
// If there are parameters to transform, but cannot store them, it is an error
if (node.Parameters.Count != 0 && pars == null)
throw new InvalidOperationException(string.Format("The parameters in this command '{0}' cannot be added to a null collection.", node.Parameters));
return string.Format("({0})", str);
// TODO: Make special condiion
//throw new InvalidOperationException(string.Format("The parameters in this command '{0}' cannot be added to a null collection.", node.Parameters));
// Copy parameters to new comand
foreach (KeyValuePair<string, IParameter> parameter in node.Parameters)
@@ -7762,7 +8354,7 @@ namespace DynamORM
ITableInfo tableInfo = !string.IsNullOrEmpty(tableName) ?
Tables.FirstOrDefault(x => !string.IsNullOrEmpty(x.Alias) && x.Alias.ToLower() == tableName) ??
Tables.FirstOrDefault(x => x.Name.ToLower() == tableName.ToLower()) ?? Tables.FirstOrDefault() :
this is DynamicModifyBuilder ? Tables.FirstOrDefault() : null;
this is DynamicModifyBuilder || Tables.Count == 1 ? Tables.FirstOrDefault() : null;
// Try to get column from schema
if (tableInfo != null && tableInfo.Schema != null)
@@ -7901,12 +8493,16 @@ namespace DynamORM
/// <returns>Enumerator of objects expanded from query.</returns>
public virtual IEnumerable<dynamic> Execute()
{
DynamicCachedReader cache = null;
using (IDbConnection con = Database.Open())
using (IDbCommand cmd = con.CreateCommand())
using (IDataReader rdr = cmd
.SetCommand(this)
.ExecuteReader())
while (rdr.Read())
{
using (IDataReader rdr = cmd
.SetCommand(this)
.ExecuteReader())
cache = new DynamicCachedReader(rdr);
while (cache.Read())
{
dynamic val = null;
@@ -7914,7 +8510,7 @@ namespace DynamORM
// http://stackoverflow.com/questions/346365/why-cant-yield-return-appear-inside-a-try-block-with-a-catch
try
{
val = rdr.RowToDynamic();
val = cache.RowToDynamic();
}
catch (ArgumentException argex)
{
@@ -7927,6 +8523,7 @@ namespace DynamORM
yield return val;
}
}
}
/// <summary>Execute this builder and map to given type.</summary>
@@ -7934,6 +8531,7 @@ namespace DynamORM
/// <returns>Enumerator of objects expanded from query.</returns>
public virtual IEnumerable<T> Execute<T>() where T : class
{
DynamicCachedReader cache = null;
DynamicTypeMap mapper = DynamicMapperCache.GetMapper<T>();
if (mapper == null)
@@ -7945,27 +8543,29 @@ namespace DynamORM
using (IDataReader rdr = cmd
.SetCommand(this)
.ExecuteReader())
while (rdr.Read())
cache = new DynamicCachedReader(rdr);
while (cache.Read())
{
dynamic val = null;
// Work around to avoid yield being in try...catchblock:
// http://stackoverflow.com/questions/346365/why-cant-yield-return-appear-inside-a-try-block-with-a-catch
try
{
dynamic val = null;
// Work around to avoid yield being in try...catchblock:
// http://stackoverflow.com/questions/346365/why-cant-yield-return-appear-inside-a-try-block-with-a-catch
try
{
val = rdr.RowToDynamic();
}
catch (ArgumentException argex)
{
StringBuilder sb = new StringBuilder();
cmd.Dump(sb);
throw new ArgumentException(string.Format("{0}{1}{2}", argex.Message, Environment.NewLine, sb),
argex.InnerException.NullOr(a => a, argex));
}
yield return mapper.Create(val) as T;
val = cache.RowToDynamic();
}
catch (ArgumentException argex)
{
StringBuilder sb = new StringBuilder();
cmd.Dump(sb);
throw new ArgumentException(string.Format("{0}{1}{2}", argex.Message, Environment.NewLine, sb),
argex.InnerException.NullOr(a => a, argex));
}
yield return mapper.Create(val) as T;
}
}
}
@@ -7981,6 +8581,23 @@ namespace DynamORM
reader(rdr);
}
/// <summary>Execute this builder as a data reader, but
/// first makes a full reader copy in memory.</summary>
/// <param name="reader">Action containing reader.</param>
public virtual void ExecuteCachedDataReader(Action<IDataReader> reader)
{
DynamicCachedReader cache = null;
using (IDbConnection con = Database.Open())
using (IDbCommand cmd = con.CreateCommand())
using (IDataReader rdr = cmd
.SetCommand(this)
.ExecuteReader())
cache = new DynamicCachedReader(rdr);
reader(cache);
}
/// <summary>Returns a single result.</summary>
/// <returns>Result of a query.</returns>
public virtual object Scalar()

15
DynamORM.Tests/Select/ParserTests.cs
View File

@@ -387,6 +387,21 @@ namespace DynamORM.Tests.Select
Assert.AreEqual(string.Format("SELECT usr.*, uc.\"Users\" FROM \"dbo\".\"Users\" AS usr INNER JOIN (SELECT * FROM \"dbo\".\"UserClients\") AS uc ON ((usr.\"Id_User\" = uc.\"User_Id\") AND (uc.\"Users\" IS NOT NULL))"), cmd.CommandText());
}
/// <summary>
/// Tests from method using invoke with sub query.
/// </summary>
[Test]
public void TestInnerJoin4()
{
IDynamicSelectQueryBuilder cmd = new DynamicSelectQueryBuilder(Database);
cmd.From(u => u.dbo.Users.As(u.usr))
.SubQuery((b, s) => b.Join(usr => usr(s.From(x => x.dbo.UserClients).Where(x => x.Deleted == 0)).Inner().As(usr.uc).On(usr.Id_User == usr.uc.User_Id && usr.uc.Users != null)))
.Select(usr => usr.All(), uc => uc.Users);
Assert.AreEqual(string.Format("SELECT usr.*, uc.\"Users\" FROM \"dbo\".\"Users\" AS usr INNER JOIN (SELECT * FROM \"dbo\".\"UserClients\" WHERE (\"Deleted\" = [${0}])) AS uc ON ((usr.\"Id_User\" = uc.\"User_Id\") AND (uc.\"Users\" IS NOT NULL))", cmd.Parameters.Keys.First()), cmd.CommandText());
}
/// <summary>
/// Tests left outer join method.
/// </summary>

7
DynamORM/Builders/Implementation/DynamicQueryBuilder.cs
View File

@@ -410,7 +410,10 @@ namespace DynamORM.Builders.Implementation
// If there are parameters to transform, but cannot store them, it is an error
if (node.Parameters.Count != 0 && pars == null)
throw new InvalidOperationException(string.Format("The parameters in this command '{0}' cannot be added to a null collection.", node.Parameters));
return string.Format("({0})", str);
// TODO: Make special condiion
//throw new InvalidOperationException(string.Format("The parameters in this command '{0}' cannot be added to a null collection.", node.Parameters));
// Copy parameters to new comand
foreach (KeyValuePair<string, IParameter> parameter in node.Parameters)
@@ -890,7 +893,7 @@ namespace DynamORM.Builders.Implementation
ITableInfo tableInfo = !string.IsNullOrEmpty(tableName) ?
Tables.FirstOrDefault(x => !string.IsNullOrEmpty(x.Alias) && x.Alias.ToLower() == tableName) ??
Tables.FirstOrDefault(x => x.Name.ToLower() == tableName.ToLower()) ?? Tables.FirstOrDefault() :
this is DynamicModifyBuilder ? Tables.FirstOrDefault() : null;
this is DynamicModifyBuilder || Tables.Count == 1 ? Tables.FirstOrDefault() : null;
// Try to get column from schema
if (tableInfo != null && tableInfo.Schema != null)

73
DynamORM/Builders/Implementation/DynamicSelectQueryBuilder.cs
View File

@@ -128,12 +128,16 @@ namespace DynamORM.Builders.Implementation
/// <returns>Enumerator of objects expanded from query.</returns>
public virtual IEnumerable<dynamic> Execute()
{
DynamicCachedReader cache = null;
using (IDbConnection con = Database.Open())
using (IDbCommand cmd = con.CreateCommand())
using (IDataReader rdr = cmd
.SetCommand(this)
.ExecuteReader())
while (rdr.Read())
{
using (IDataReader rdr = cmd
.SetCommand(this)
.ExecuteReader())
cache = new DynamicCachedReader(rdr);
while (cache.Read())
{
dynamic val = null;
@@ -141,7 +145,7 @@ namespace DynamORM.Builders.Implementation
// http://stackoverflow.com/questions/346365/why-cant-yield-return-appear-inside-a-try-block-with-a-catch
try
{
val = rdr.RowToDynamic();
val = cache.RowToDynamic();
}
catch (ArgumentException argex)
{
@@ -154,6 +158,7 @@ namespace DynamORM.Builders.Implementation
yield return val;
}
}
}
/// <summary>Execute this builder and map to given type.</summary>
@@ -161,6 +166,7 @@ namespace DynamORM.Builders.Implementation
/// <returns>Enumerator of objects expanded from query.</returns>
public virtual IEnumerable<T> Execute<T>() where T : class
{
DynamicCachedReader cache = null;
DynamicTypeMap mapper = DynamicMapperCache.GetMapper<T>();
if (mapper == null)
@@ -172,27 +178,29 @@ namespace DynamORM.Builders.Implementation
using (IDataReader rdr = cmd
.SetCommand(this)
.ExecuteReader())
while (rdr.Read())
cache = new DynamicCachedReader(rdr);
while (cache.Read())
{
dynamic val = null;
// Work around to avoid yield being in try...catchblock:
// http://stackoverflow.com/questions/346365/why-cant-yield-return-appear-inside-a-try-block-with-a-catch
try
{
dynamic val = null;
// Work around to avoid yield being in try...catchblock:
// http://stackoverflow.com/questions/346365/why-cant-yield-return-appear-inside-a-try-block-with-a-catch
try
{
val = rdr.RowToDynamic();
}
catch (ArgumentException argex)
{
StringBuilder sb = new StringBuilder();
cmd.Dump(sb);
throw new ArgumentException(string.Format("{0}{1}{2}", argex.Message, Environment.NewLine, sb),
argex.InnerException.NullOr(a => a, argex));
}
yield return mapper.Create(val) as T;
val = cache.RowToDynamic();
}
catch (ArgumentException argex)
{
StringBuilder sb = new StringBuilder();
cmd.Dump(sb);
throw new ArgumentException(string.Format("{0}{1}{2}", argex.Message, Environment.NewLine, sb),
argex.InnerException.NullOr(a => a, argex));
}
yield return mapper.Create(val) as T;
}
}
}
@@ -208,6 +216,23 @@ namespace DynamORM.Builders.Implementation
reader(rdr);
}
/// <summary>Execute this builder as a data reader, but
/// first makes a full reader copy in memory.</summary>
/// <param name="reader">Action containing reader.</param>
public virtual void ExecuteCachedDataReader(Action<IDataReader> reader)
{
DynamicCachedReader cache = null;
using (IDbConnection con = Database.Open())
using (IDbCommand cmd = con.CreateCommand())
using (IDataReader rdr = cmd
.SetCommand(this)
.ExecuteReader())
cache = new DynamicCachedReader(rdr);
reader(cache);
}
/// <summary>Returns a single result.</summary>
/// <returns>Result of a query.</returns>
public virtual object Scalar()

1
DynamORM/DynamORM.csproj
View File

@@ -79,6 +79,7 @@
<Compile Include="Builders\IDynamicQueryBuilder.cs" />
<Compile Include="Builders\IParameter.cs" />
<Compile Include="Builders\ITableInfo.cs" />
<Compile Include="DynamicCachedReader.cs" />
<Compile Include="DynamicColumn.cs" />
<Compile Include="DynamicCommand.cs" />
<Compile Include="DynamicConnection.cs" />

82
DynamORM/DynamicDatabase.cs
View File

@@ -170,6 +170,15 @@ namespace DynamORM
/// <param name="options">Connection options. <see cref="DynamicDatabaseOptions.SingleConnection"/> required.</param>
public DynamicDatabase(IDbConnection connection, DynamicDatabaseOptions options)
{
// Try to find correct provider if possible
Type t = connection.GetType();
if (t == typeof(System.Data.SqlClient.SqlConnection))
_provider = System.Data.SqlClient.SqlClientFactory.Instance;
else if (t == typeof(System.Data.Odbc.OdbcConnection))
_provider = System.Data.Odbc.OdbcFactory.Instance;
else if (t == typeof(System.Data.OleDb.OleDbConnection))
_provider = System.Data.OleDb.OleDbFactory.Instance;
IsDisposed = false;
InitCommon(connection.ConnectionString, options);
TransactionPool.Add(connection, new Stack<IDbTransaction>());
@@ -316,6 +325,15 @@ namespace DynamORM
return new DynamicSelectQueryBuilder(this).From(x => x(typeof(T)));
}
/// <summary>Adds to the <code>FROM</code> clause using <see cref="Type"/>.</summary>
/// <typeparam name="T">Type which can be represented in database.</typeparam>
/// <param name="alias">Table alias.</param>
/// <returns>This instance to permit chaining.</returns>
public virtual IDynamicSelectQueryBuilder From<T>(string alias)
{
return new DynamicSelectQueryBuilder(this).From(x => x(typeof(T)).As(alias));
}
/// <summary>Adds to the <code>FROM</code> clause using <see cref="Type"/>.</summary>
/// <param name="t">Type which can be represented in database.</param>
/// <returns>This instance to permit chaining.</returns>
@@ -1112,13 +1130,17 @@ namespace DynamORM
/// <returns>Enumerator of objects expanded from query.</returns>
public virtual IEnumerable<dynamic> Query(string sql, params object[] args)
{
DynamicCachedReader cache = null;
using (IDbConnection con = Open())
using (IDbCommand cmd = con.CreateCommand())
using (IDataReader rdr = cmd
.SetCommand(sql)
.AddParameters(this, args)
.ExecuteReader())
while (rdr.Read())
{
using (IDataReader rdr = cmd
.SetCommand(sql)
.AddParameters(this, args)
.ExecuteReader())
cache = new DynamicCachedReader(rdr);
while (cache.Read())
{
dynamic val = null;
@@ -1126,7 +1148,7 @@ namespace DynamORM
// http://stackoverflow.com/questions/346365/why-cant-yield-return-appear-inside-a-try-block-with-a-catch
try
{
val = rdr.RowToDynamic();
val = cache.RowToDynamic();
}
catch (ArgumentException argex)
{
@@ -1139,6 +1161,7 @@ namespace DynamORM
yield return val;
}
}
}
/// <summary>Enumerate the reader and yield the result.</summary>
@@ -1146,12 +1169,16 @@ namespace DynamORM
/// <returns>Enumerator of objects expanded from query.</returns>
public virtual IEnumerable<dynamic> Query(IDynamicQueryBuilder builder)
{
DynamicCachedReader cache = null;
using (IDbConnection con = Open())
using (IDbCommand cmd = con.CreateCommand())
using (IDataReader rdr = cmd
.SetCommand(builder)
.ExecuteReader())
while (rdr.Read())
{
using (IDataReader rdr = cmd
.SetCommand(builder)
.ExecuteReader())
cache = new DynamicCachedReader(rdr);
while (cache.Read())
{
dynamic val = null;
@@ -1159,7 +1186,7 @@ namespace DynamORM
// http://stackoverflow.com/questions/346365/why-cant-yield-return-appear-inside-a-try-block-with-a-catch
try
{
val = rdr.RowToDynamic();
val = cache.RowToDynamic();
}
catch (ArgumentException argex)
{
@@ -1172,6 +1199,7 @@ namespace DynamORM
yield return val;
}
}
}
#endregion Query
@@ -1321,8 +1349,12 @@ namespace DynamORM
/// If your database doesn't get those values in upper case (like most of the databases) you should override this method.</returns>
protected virtual IEnumerable<DynamicSchemaColumn> ReadSchema(IDbCommand cmd)
{
DataTable st = null;
using (IDataReader rdr = cmd.ExecuteReader(CommandBehavior.SchemaOnly | CommandBehavior.KeyInfo))
using (DataTable st = rdr.GetSchemaTable())
st = rdr.GetSchemaTable();
using (st)
foreach (DataRow col in st.Rows)
{
dynamic c = col.RowToDynamicUpper();
@@ -1330,7 +1362,7 @@ namespace DynamORM
yield return new DynamicSchemaColumn
{
Name = c.COLUMNNAME,
Type = DynamicExtensions.TypeMap.TryGetNullable((Type)c.DATATYPE) ?? DbType.String,
Type = ReadSchemaType(c),
IsKey = c.ISKEY ?? false,
IsUnique = c.ISUNIQUE ?? false,
Size = (int)(c.COLUMNSIZE ?? 0),
@@ -1340,6 +1372,30 @@ namespace DynamORM
}
}
/// <summary>Reads the type of column from the schema.</summary>
/// <param name="schema">The schema.</param>
/// <returns>GEneric parameter type.</returns>
protected virtual DbType ReadSchemaType(dynamic schema)
{
Type type = (Type)schema.DATATYPE;
// Small hack for SQL Server Provider
if (type == typeof(string) && Provider != null && Provider.GetType() == typeof(System.Data.SqlClient.SqlClientFactory))
{
var map = (schema as IDictionary<string, object>);
string typeName = (map.TryGetValue("DATATYPENAME") ?? string.Empty).ToString();
switch (typeName){
case "varchar":
return DbType.AnsiString;
case "nvarchar":
return DbType.String;
}
}
return DynamicExtensions.TypeMap.TryGetNullable(type) ?? DbType.String;
}
private Dictionary<string, DynamicSchemaColumn> BuildAndCacheSchema(string tableName, DynamicTypeMap mapper, string owner = null)
{
Dictionary<string, DynamicSchemaColumn> schema = null;

45
DynamORM/DynamicExtensions.cs
View File

@@ -286,6 +286,8 @@ namespace DynamORM
if (p.DbType == DbType.String)
p.Size = item.ToString().Length > 4000 ? -1 : 4000;
else if (p.DbType == DbType.AnsiString)
p.Size = item.ToString().Length > 8000 ? -1 : 8000;
}
cmd.Parameters.Add(p);
@@ -328,7 +330,9 @@ namespace DynamORM
{
p.DbType = TypeMap.TryGetNullable(value.GetType()) ?? DbType.String;
if (p.DbType == DbType.String)
if (p.DbType == DbType.AnsiString)
p.Size = value.ToString().Length > 8000 ? -1 : 8000;
else if (p.DbType == DbType.String)
p.Size = value.ToString().Length > 4000 ? -1 : 4000;
p.Value = value;
@@ -379,7 +383,9 @@ namespace DynamORM
{
p.DbType = TypeMap.TryGetNullable(item.Value.GetType()) ?? DbType.String;
if (p.DbType == DbType.String)
if (p.DbType == DbType.AnsiString)
p.Size = item.Value.ToString().Length > 8000 ? -1 : 8000;
else if (p.DbType == DbType.String)
p.Size = item.Value.ToString().Length > 4000 ? -1 : 4000;
p.Value = item.Value;
@@ -516,7 +522,7 @@ namespace DynamORM
param.Direction = parameterDirection;
param.DbType = databaseType;
param.Size = size;
param.Value = value;
param.Value = value ?? DBNull.Value;
command.Parameters.Add(param);
return command;
@@ -535,7 +541,7 @@ namespace DynamORM
param.ParameterName = parameterName;
param.DbType = databaseType;
param.Size = size;
param.Value = value;
param.Value = value ?? DBNull.Value;
command.Parameters.Add(param);
return command;
@@ -552,7 +558,7 @@ namespace DynamORM
IDbDataParameter param = command.CreateParameter();
param.ParameterName = parameterName;
param.DbType = databaseType;
param.Value = value;
param.Value = value ?? DBNull.Value;
command.Parameters.Add(param);
return command;
@@ -947,8 +953,14 @@ namespace DynamORM
IDynamicSelectQueryBuilder sub = b.SubQuery();
subquery(b, sub);
(b as DynamicQueryBuilder).ParseCommand(sub as DynamicQueryBuilder, b.Parameters);
try
{
(b as DynamicQueryBuilder).ParseCommand(sub as DynamicQueryBuilder, b.Parameters);
}
catch (ArgumentException)
{
// This might occur if join was made to subquery
}
return b;
}
@@ -1343,6 +1355,9 @@ namespace DynamORM
/// provided <see cref="System.Data.DbType"/>.</returns>
public static Type ToType(this DbType dbt)
{
if (dbt == DbType.String)
return typeof(string);
foreach (KeyValuePair<Type, DbType> tdbt in TypeMap)
if (tdbt.Value == dbt)
return tdbt.Key;
@@ -1350,6 +1365,14 @@ namespace DynamORM
return typeof(object);
}
/// <summary>Determines whether the specified value is has only ASCII chars.</summary>
/// <param name="value">The value to check.</param>
/// <returns>Returns <c>true</c> if the specified value has only ASCII cars; otherwise, <c>false</c>.</returns>
public static bool IsASCII(this string value)
{
return Encoding.UTF8.GetByteCount(value) == value.Length;
}
#endregion Type extensions
#region IDictionary extensions
@@ -1422,6 +1445,14 @@ namespace DynamORM
yield return r.RowToDynamic();
}
internal static IDataReader CachedReader(this IDataReader r)
{
if (r is DynamicCachedReader)
return r;
return new DynamicCachedReader(r);
}
#endregion IDataReader extensions
#region Mapper extensions

25
DynamORM/DynamicProcedureInvoker.cs
View File

@@ -122,6 +122,7 @@ namespace DynamORM
bool isOut = info.ArgumentNames[i].StartsWith("out_");
bool isRet = info.ArgumentNames[i].StartsWith("ret_");
bool isBoth = info.ArgumentNames[i].StartsWith("both_");
string paramName = isOut || isRet ?
info.ArgumentNames[i].Substring(4) :
isBoth ? info.ArgumentNames[i].Substring(5) :
@@ -158,13 +159,21 @@ namespace DynamORM
mainResult = types[0].GetDefaultValue();
if (types[0] == typeof(IDataReader))
mainResult = cmd.ExecuteReader();
{
using (IDataReader rdr = cmd.ExecuteReader())
mainResult = rdr.CachedReader();
}
else if (types[0].IsGenericEnumerable())
{
Type argType = types[0].GetGenericArguments().First();
if (argType == typeof(object))
{
IDataReader cache = null;
using (IDataReader rdr = cmd.ExecuteReader())
mainResult = rdr.EnumerateReader().ToList();
cache = rdr.CachedReader();
mainResult = cache.EnumerateReader().ToList();
}
else if (argType.IsValueType)
{
Type listType = typeof(List<>).MakeGenericType(new Type[] { argType });
@@ -172,9 +181,12 @@ namespace DynamORM
object defVal = listType.GetDefaultValue();
IDataReader cache = null;
using (IDataReader rdr = cmd.ExecuteReader())
while (rdr.Read())
listInstance.Add(rdr[0] == DBNull.Value ? defVal : argType.CastObject(rdr[0]));
cache = rdr.CachedReader();
while (cache.Read())
listInstance.Add(cache[0] == DBNull.Value ? defVal : argType.CastObject(cache[0]));
mainResult = listInstance;
}
@@ -184,8 +196,11 @@ namespace DynamORM
if (mapper == null)
throw new InvalidCastException(string.Format("Don't konw what to do with this type: '{0}'.", argType.ToString()));
IDataReader cache = null;
using (IDataReader rdr = cmd.ExecuteReader())
mainResult = rdr.EnumerateReader().MapEnumerable(argType).ToList();
cache = rdr.CachedReader();
mainResult = cache.EnumerateReader().MapEnumerable(argType).ToList();
}
}
else if (types[0].IsValueType)

206
Tester/Program.cs
View File

@@ -1,9 +1,5 @@
using System;
using System.Collections.Generic;
using System.Data;
using System.Data.SqlClient;
using System.IO;
using System.Text;
using System.Linq;
using DynamORM;
namespace Tester
{
@@ -25,194 +21,28 @@ namespace Tester
private static void Main(string[] args)
{
//StringBuilder code = new StringBuilder();
//using (var db = GetORM())
//{
// List<dynamic> procs = db.From(x => x.INFORMATION_SCHEMA.ROUTINES).OrderBy(x => x.SPECIFIC_NAME).Where(x => x.ROUTINE_TYPE == "PROCEDURE").Execute().ToList();
DynamicDatabase db = new DynamicDatabase(System.Data.SqlClient.SqlClientFactory.Instance, "packet size=4096;User Id=sa;Password=Sa123;data source=127.0.0.1,1434;initial catalog=MAH_Levant;",
DynamicDatabaseOptions.SingleConnection | DynamicDatabaseOptions.SingleTransaction | DynamicDatabaseOptions.SupportSchema |
DynamicDatabaseOptions.SupportStoredProcedures | DynamicDatabaseOptions.SupportTop | DynamicDatabaseOptions.DumpCommands);
// foreach (dynamic d in procs)
// PrintWhatYouKnow(d.SPECIFIC_NAME, code);
//}
//Console.ReadLine();
//Console.WriteLine(code.ToString());
//File.WriteAllText("code.cs", code.ToString());
//Console.ReadLine();
Dictionary<DateTime, DateTime> times = new Dictionary<DateTime, DateTime>()
try
{
/*{ new DateTime(2015,03,07,13,00,00), new DateTime(2015,03,07,23,30,00) },
{ new DateTime(2015,03,08,14,00,00), new DateTime(2015,03,08,19,00,00) },
{ new DateTime(2015,03,14,13,00,00), new DateTime(2015,03,15,01,30,00) },
{ new DateTime(2015,03,15,14,00,00), new DateTime(2015,03,16,00,00,00) },
{ new DateTime(2015,03,28,13,00,00), new DateTime(2015,03,28,22,30,00) },
{ new DateTime(2015,03,29,14,00,00), new DateTime(2015,03,29,21,00,00) },
{ new DateTime(2015,04,02,20,30,00), new DateTime(2015,04,03,00,30,00) },
{ new DateTime(2015,04,04,12,00,00), new DateTime(2015,04,04,23,30,00) },
{ new DateTime(2015,04,05,15,00,00), new DateTime(2015,04,05,21,00,00) },
{ new DateTime(2015,04,06,18,00,00), new DateTime(2015,04,06,23,30,00) },
{ new DateTime(2015,04,07,20,00,00), new DateTime(2015,04,08,00,00,00) },
{ new DateTime(2015,04,08,20,00,00), new DateTime(2015,04,08,23,30,00) },
{ new DateTime(2015,04,09,22,30,00), new DateTime(2015,04,10,00,00,00) },
{ new DateTime(2015,04,10,21,00,00), new DateTime(2015,04,11,00,00,00) },
{ new DateTime(2015,04,11,13,00,00), new DateTime(2015,04,11,18,00,00) },
{ new DateTime(2015,04,11,20,30,00), new DateTime(2015,04,11,23,30,00) },
{ new DateTime(2015,04,12,10,00,00), new DateTime(2015,04,12,13,00,00) },
{ new DateTime(2015,04,12,16,00,00), new DateTime(2015,04,13,00,00,00) },
{ new DateTime(2015,04,13,21,30,00), new DateTime(2015,04,14,00,00,00) },
{ new DateTime(2015,04,14,21,00,00), new DateTime(2015,04,15,00,30,00) },
{ new DateTime(2015,04,17,20,30,00), new DateTime(2015,04,17,23,30,00) },
{ new DateTime(2015,04,18,14,00,00), new DateTime(2015,04,18,18,30,00) },
{ new DateTime(2015,04,18,20,30,00), new DateTime(2015,04,19,02,00,00) },
{ new DateTime(2015,04,19,13,30,00), new DateTime(2015,04,19,17,00,00) },
{ new DateTime(2015,04,19,19,00,00), new DateTime(2015,04,20,00,00,00) },
{ new DateTime(2015,04,20,21,00,00), new DateTime(2015,04,21,00,00,00) },
{ new DateTime(2015,04,21,21,30,00), new DateTime(2015,04,22,00,00,00) },
{ new DateTime(2015,04,22,21,00,00), new DateTime(2015,04,22,23,30,00) },
{ new DateTime(2015,04,23,20,30,00), new DateTime(2015,04,24,00,00,00) },
{ new DateTime(2015,04,25,09,30,00), new DateTime(2015,04,25,15,00,00) },
{ new DateTime(2015,04,25,15,30,00), new DateTime(2015,04,25,19,30,00) },
{ new DateTime(2015,04,25,21,00,00), new DateTime(2015,04,26,02,00,00) },
{ new DateTime(2015,04,26,10,00,00), new DateTime(2015,04,26,12,00,00) },
{ new DateTime(2015,04,26,18,00,00), new DateTime(2015,04,26,19,30,00) },
{ new DateTime(2015,04,26,20,00,00), new DateTime(2015,04,27,00,00,00) },
{ new DateTime(2015,04,27,20,30,00), new DateTime(2015,04,28,01,00,00) },
{ new DateTime(2015,04,28,20,00,00), new DateTime(2015,04,29,01,00,00) },
{ new DateTime(2015,04,29,20,30,00), new DateTime(2015,04,30,01,00,00) },
{ new DateTime(2015,04,30,21,00,00), new DateTime(2015,05,01,02,30,00) },
{ new DateTime(2015,05,01,10,00,00), new DateTime(2015,05,01,14,30,00) },
{ new DateTime(2015,05,02,11,00,00), new DateTime(2015,05,02,17,30,00) },
{ new DateTime(2015,05,03,10,00,00), new DateTime(2015,05,03,22,00,00) },
{ new DateTime(2015,05,04,20,30,00), new DateTime(2015,05,05,01,00,00) },
{ new DateTime(2015,05,05,17,30,00), new DateTime(2015,05,05,19,00,00) },
{ new DateTime(2015,05,05,20,30,00), new DateTime(2015,05,06,01,00,00) },
{ new DateTime(2015,05,06,17,30,00), new DateTime(2015,05,06,19,00,00) },
{ new DateTime(2015,05,06,20,00,00), new DateTime(2015,05,07,01,00,00) },
{ new DateTime(2015,05,07,20,30,00), new DateTime(2015,05,08,01,00,00) },
{ new DateTime(2015,05,08,17,30,00), new DateTime(2015,05,08,19,00,00) },
{ new DateTime(2015,05,08,20,30,00), new DateTime(2015,05,09,02,00,00) },
{ new DateTime(2015,05,09,11,00,00), new DateTime(2015,05,09,16,30,00) },
{ new DateTime(2015,05,10,10,00,00), new DateTime(2015,05,10,15,30,00) },
{ new DateTime(2015,05,10,16,30,00), new DateTime(2015,05,10,23,30,00) },
{ new DateTime(2015,05,11,21,00,00), new DateTime(2015,05,12,01,00,00) },
{ new DateTime(2015,05,12,21,30,00), new DateTime(2015,05,13,01,30,00) },
{ new DateTime(2015,05,13,20,30,00), new DateTime(2015,05,14,00,30,00) },
{ new DateTime(2015,05,14,21,00,00), new DateTime(2015,05,15,02,00,00) },
{ new DateTime(2015,05,15,22,00,00), new DateTime(2015,05,16,02,00,00) },
{ new DateTime(2015,05,16,16,00,00), new DateTime(2015,05,17,01,00,00) },
{ new DateTime(2015,05,17,19,00,00), new DateTime(2015,05,18,00,30,00) },
{ new DateTime(2015,05,18,20,30,00), new DateTime(2015,05,19,01,00,00) },
{ new DateTime(2015,05,19,13,00,00), new DateTime(2015,05,19,15,00,00) },
{ new DateTime(2015,05,19,20,00,00), new DateTime(2015,05,20,00,30,00) },
{ new DateTime(2015,05,20,20,30,00), new DateTime(2015,05,21,00,00,00) },
{ new DateTime(2015,05,21,21,00,00), new DateTime(2015,05,21,23,00,00) },
{ new DateTime(2015,05,22,20,30,00), new DateTime(2015,05,23,02,30,00) },
{ new DateTime(2015,05,23,09,30,00), new DateTime(2015,05,23,17,30,00) },
{ new DateTime(2015,05,23,18,30,00), new DateTime(2015,05,23,22,30,00) },
{ new DateTime(2015,05,24,13,00,00), new DateTime(2015,05,25,00,00,00) },
{ new DateTime(2015,06,02,20,00,00), new DateTime(2015,06,02,23,00,00) },
{ new DateTime(2015,06,05,17,30,00), new DateTime(2015,06,05,19,30,00) },*/
{ new DateTime(2015,05,26,21,00,00), new DateTime(2015,05,26,23,30,00) },
{ new DateTime(2015,05,27,21,00,00), new DateTime(2015,05,28,01,00,00) },
{ new DateTime(2015,05,28,20,00,00), new DateTime(2015,05,29,00,00,00) },
{ new DateTime(2015,05,30,10,30,00), new DateTime(2015,05,30,14,30,00) },
{ new DateTime(2015,05,30,16,00,00), new DateTime(2015,05,30,21,00,00) },
{ new DateTime(2015,05,30,22,00,00), new DateTime(2015,05,31,02,30,00) },
{ new DateTime(2015,05,31,13,30,00), new DateTime(2015,05,31,15,30,00) },
{ new DateTime(2015,05,31,16,30,00), new DateTime(2015,05,31,23,30,00) },
{ new DateTime(2015,06,01,21,00,00), new DateTime(2015,06,01,22,00,00) },
{ new DateTime(2015,06,04,18,00,00), new DateTime(2015,06,04,22,00,00) },
};
StringBuilder inserts = new StringBuilder();
int counter = 0;
foreach (var item in times)
AddInserts(inserts, item.Key, item.Value, ref counter);
File.WriteAllText("times.sql", inserts.ToString());
}
private static void AddInserts(StringBuilder sb, DateTime from, DateTime to, ref int counter)
{
string format = @"
INSERT INTO ticket_change(ticket, ""time"", author, field, oldvalue, newvalue) VALUES (26114, {0}, 'grzegorz.russek', 'comment', '{1}', 'Google calendar import.');
INSERT INTO ticket_change(ticket, ""time"", author, field, oldvalue, newvalue) VALUES (26114, {0}, 'grzegorz.russek', 'hours', '0', '{2:0.000000}');";
if (from.Date != to.Date)
{
if (to.Hour == 0 && to.Minute == 0)
sb.AppendFormat(format, GetTracEpoch(to.AddSeconds(-1)), ++counter, (to - from).TotalHours);
else
{
sb.AppendFormat(format, GetTracEpoch(to.Date.AddSeconds(-1)), ++counter, (to.Date - from).TotalHours);
sb.AppendFormat(format, GetTracEpoch(to), ++counter, (to - to.Date).TotalHours);
}
db.Execute("DROP TABLE Experiments ");
}
else
sb.AppendFormat(format, GetTracEpoch(to), ++counter, (to - from).TotalHours);
}
catch { }
private static long GetTracEpoch(DateTime date)
{
return Convert.ToInt64((date.ToUniversalTime() - new DateTime(1970, 1, 1, 0, 0, 0, DateTimeKind.Utc)).TotalSeconds) * 1000000;
}
db.Execute("CREATE TABLE Experiments (t1 nvarchar(50) NOT NULL DEFAULT N'', t2 varchar(50) NOT NULL DEFAULT '');");
private static void PrintWhatYouKnow(string name, StringBuilder code)
{
string yourConnStr = "packet size=4096;User Id=sa;Password=sa123;data source=192.168.1.9,1433;initial catalog=MOM_NEXT_Florentyna_WMS_PROD;";
using (SqlConnection sqlConn = new SqlConnection(yourConnStr))
using (SqlCommand sqlCmd = new SqlCommand(name, sqlConn))
{
StringBuilder body = new StringBuilder();
var q = db.From(x => x.Experiments.As(x.e1));
q
.Where(x => x.t2 = "Dupą")
.Where(x => x.Exists(
q.SubQuery()
.From(y => y.Experiments.As(x.e2))
.Where(y => y.e2.t1 == y.e1.t1)))
.Execute().ToList();
sqlConn.Open();
sqlCmd.CommandType = CommandType.StoredProcedure;
try
{
SqlCommandBuilder.DeriveParameters(sqlCmd);
Console.WriteLine("PROCEDURE: {0}", name);
Console.WriteLine(sqlCmd.Parameters.Count.ToString());
code.AppendFormat("public static void {0}(this DynamicDatabase db", name);
body.AppendFormat(" db.Procedures.{0}(x$x$", name);
foreach (SqlParameter p in sqlCmd.Parameters)
{
Console.WriteLine(p.ParameterName.ToString() + "\t"
+ p.Direction.ToString() + "\t" + p.DbType.ToString());
if (p.Direction != ParameterDirection.ReturnValue)
{
code.Append(", "); body.Append(", ");
switch (p.Direction)
{
case ParameterDirection.InputOutput:
code.Append("ref "); body.Append("both_");
break;
case ParameterDirection.Output:
code.Append("out "); body.Append("out_");
break;
default:
break;
}
code.AppendFormat("{0} {1}", p.DbType, p.ParameterName.Trim('@'));
body.AppendFormat("{0}: {0}", p.ParameterName.Trim('@'));
}
}
code.AppendFormat("){0}{{{0}{1});{0}}}{0}", Environment.NewLine, body.ToString().Replace("(x$x$, ", "("));
}
catch (Exception ex)
{
Console.WriteLine("PROCEDURE: {0}, has errors: {1}", name, ex.Message);
}
}
db.Execute("DROP TABLE Experiments ");
}
}
}