public static string CreateAggregate_CommandText(Type type, string schema, IDictionary <string, string> map)
{
StringBuilder sb = new StringBuilder();
SqlUserDefinedAggregateAttribute aggregateAttr = type.GetCustomAttribute <SqlUserDefinedAggregateAttribute>();
if (aggregateAttr == null)
{
throw new ArgumentException(string.Format("Type '{0}' is not sql clr user defined aggregate.", type.FullName));
}
string name = aggregateAttr.Name ?? type.Name;
MethodInfo miAccumulate = type.GetMethods(BindingFlags.Instance | BindingFlags.Public | BindingFlags.DeclaredOnly)
.SingleOrDefault(t => t.Name == "Accumulate" && t.ReturnType == typeof(void));
if (miAccumulate == null)
{
throw new InvalidOperationException("Accumulate method is not found");
}
MethodInfo miTerminate = type.GetMethods(BindingFlags.Instance | BindingFlags.Public | BindingFlags.DeclaredOnly)
.SingleOrDefault(t => t.Name == "Terminate" && t.GetParameters().Length == 0);
if (miTerminate == null)
{
throw new InvalidOperationException("Terminate method is not found");
}
sb.Append(@"
CREATE AGGREGATE ");
if (schema != null)
{
sb.AppendFormat(@"[{0}].[{1}]", schema, name);
}
else
{
sb.AppendFormat(@"[{0}]", name);
}
sb.AppendFormat(@"({0})
RETURNS {1}
EXTERNAL NAME [{2}].[{3}];
GO", string.Join(", ", miAccumulate.GetParameters().Select(pi => GetSqlParameterArgument_Text(pi, map))),
GetSqlType_Text(miTerminate.ReturnParameter.ParameterType, miTerminate.ReturnParameter, map), type.Assembly.GetName().Name, type.FullName);
return(sb.ToString());
}
public static string DropAggregate_CommandText(Type type, string schema)
{
StringBuilder sb = new StringBuilder();
SqlUserDefinedAggregateAttribute aggregateAttr = type.GetCustomAttribute <SqlUserDefinedAggregateAttribute>();
if (aggregateAttr == null)
{
throw new InvalidOperationException(string.Format("Type '{0}' is not sql clr user defined aggregate.", type.FullName));
}
string name = aggregateAttr.Name ?? type.Name;
sb.AppendFormat(@"
IF EXISTS (
SELECT *
FROM sys.objects
WHERE [name] = N'{0}' AND [type] = 'AF'", name);
if (schema != null)
{
sb.AppendFormat(@" AND EXISTS (
SELECT *
FROM sys.schemas
WHERE sys.objects.schema_id = sys.schemas.schema_id AND sys.schemas.name = N'{0}')", schema);
}
sb.Append(@")
DROP AGGREGATE ");
if (schema != null)
{
sb.AppendFormat(@"[{0}].[{1}]", schema, name);
}
else
{
sb.AppendFormat(@"[{0}]", name);
}
sb.Append(@";
GO");
return(sb.ToString());
}
public void TestSqlUserDefinedAggregateAttributeMaxByteSize()
{
Func <int, SqlUserDefinedAggregateAttribute> create
= (size) => new SqlUserDefinedAggregateAttribute(Format.UserDefined)
{
MaxByteSize = size
};
SqlUserDefinedAggregateAttribute attribute1 = create(-1);
SqlUserDefinedAggregateAttribute attribute2 = create(0);
SqlUserDefinedAggregateAttribute attribute3 = create(SqlUserDefinedAggregateAttribute.MaxByteSizeValue);
string udtError = SystemDataResourceManager.Instance.SQLUDT_MaxByteSizeValue;
string errorMessage = (new ArgumentOutOfRangeException("MaxByteSize", 8001, udtError)).Message;
DataTestUtility.AssertThrowsWrapper <ArgumentOutOfRangeException>(
() => create(SqlUserDefinedAggregateAttribute.MaxByteSizeValue + 1),
errorMessage);
errorMessage = (new ArgumentOutOfRangeException("MaxByteSize", -2, udtError)).Message;
DataTestUtility.AssertThrowsWrapper <ArgumentOutOfRangeException>(
() => create(-2),
errorMessage);
}
public AggregatorWrapper(SqlUserDefinedAggregateAttribute functiondef, Type aggregatesyg, string schema)
: base(aggregatesyg, schema)
{
_functiondef = functiondef;
}
public ArrayList GetCreateString(string assemblyPath, string AssemblyName, bool IsInfer, ArrayList alMeths)
{
string parameters = "";
string retType;
string[] retString = null;
string stringName;
ArrayList al = new ArrayList();
//Type attr = typeof(IDeployMethods);
Assembly a = Assembly.LoadFile(assemblyPath);
Type aggAttr = typeof(SqlUserDefinedAggregateAttribute);
foreach (Type asmType in a.GetTypes())
{
string aggName = "";
//check for aggregates
if (asmType.IsDefined(aggAttr, false))
{
object[] attrs = asmType.GetCustomAttributes(aggAttr, false);
SqlUserDefinedAggregateAttribute agg = (SqlUserDefinedAggregateAttribute)attrs[0];
//string typeName = udt.Name;
if (agg.Name != string.Empty && agg.Name != null)
{
aggName = agg.Name;
}
else
{
aggName = asmType.Name;
}
aggName = Utility.GetSysName(aggName, out stringName);
if (alterAsm && CheckMethodExists(asmType.Name, aggName, alMeths))
{
continue;
}
string dropString = "if exists(select * from sys.objects where name = '{0}')\nDROP AGGREGATE {1}";
dropString = string.Format(dropString, stringName, aggName);
string createString = GetAggregate(asmType, aggName, AssemblyName);
al.Add(dropString);
al.Add(createString);
}
foreach (MethodInfo m in asmType.GetMethods(BindingFlags.Static | BindingFlags.Public))
{
string realName = m.Name;
string aliasName = m.Name;
string sysName = "";
bool addString = false;
//get the parameters
parameters = ReflectParameters(m, out retType);
//get custom attributes for the method
object[] attr = m.GetCustomAttributes(false);
if (attr.Length > 0)
{
for (int i = 0; i < attr.Length; i++)
{
addString = false;
Type t = attr[i].GetType();
if (t == typeof(SqlProcedureAttribute))
{
SqlProcedureAttribute sql = (SqlProcedureAttribute)attr[i];
if (sql.Name != string.Empty && sql.Name != null)
{
sysName = GetSysName(sql.Name, out aliasName);
}
DMSqlProcedure id = new DMSqlProcedure(sql);
retString = id.GetCreateString(false, m, AssemblyName, parameters);
addString = true;
}
if (t == typeof(SqlFunctionAttribute))
{
SqlFunctionAttribute sql = (SqlFunctionAttribute)attr[i];
if (sql.Name != string.Empty && sql.Name != null)
{
sysName = GetSysName(sql.Name, out aliasName);
}
DMSqlFunction id = new DMSqlFunction(sql);
retString = id.GetCreateString(false, m, AssemblyName, parameters, retType);
addString = true;
}
if (t == typeof(SqlTriggerAttribute))
{
SqlTriggerAttribute sql = (SqlTriggerAttribute)attr[i];
if (sql.Name != string.Empty && sql.Name != null)
{
sysName = GetSysName(sql.Name, out aliasName);
}
DMSqlTrigger id = new DMSqlTrigger(sql);
retString = id.GetCreateString(false, m, AssemblyName);
addString = true;
}
if (alterAsm && CheckMethodExists(realName, aliasName, alMeths))
{
break;
}
if (addString)
{
foreach (String s in retString)
{
al.Add(s);
}
}
}
}
else if (IsInfer)
{
//Debugger.Launch();
if (retType == "Void")
{
DMSqlProcedure id = new DMSqlProcedure();
retString = id.GetCreateString(true, m, AssemblyName, parameters);
foreach (String s in retString)
{
al.Add(s);
}
}
if (retType != "Void")
{
DMSqlFunction id = new DMSqlFunction();
retString = id.GetCreateString(true, m, AssemblyName, parameters, retType);
foreach (String s in retString)
{
al.Add(s);
}
}
}
}
}
return(al);
}
