public object[] SelectWhere(Type type, string where, dynamic paramenter)
{
//Concret declaration is nessesary because we are working with dynmaics, so the compiler has ne space to guess the type wrong
IEnumerable <IQueryParameter> enumarateFromDynamics = DbAccessLayerHelper.EnumarateFromDynamics(paramenter);
return(SelectWhere(type, where, enumarateFromDynamics));
}
public T[] RunPrimetivSelect <T>(string query, dynamic parameters)
{
IEnumerable <IQueryParameter> enumarateFromDynamics = DbAccessLayerHelper.EnumarateFromDynamics(parameters);
var runPrimetivSelect = RunPrimetivSelect(typeof(T), query, enumarateFromDynamics);
return(runPrimetivSelect.Cast <T>().ToArray());
}
/// <summary>
/// Adds Parameter to the QueryCommand object without adding a Statement
/// </summary>
/// <returns></returns>
public static TQuery WithParamerters <TQuery>(this TQuery query, dynamic paramerters)
where TQuery : class, IQueryBuilder
{
IEnumerable <IQueryParameter> parameters = DbAccessLayerHelper.EnumarateFromDynamics(paramerters);
return(query.QueryQ(string.Empty, parameters.ToArray()));
}
/// <summary>
/// Runs
/// <paramref name="command" />
/// and parses output into
/// <paramref name="type" />
/// </summary>
/// <returns></returns>
public async Task <object[]> SelectNativeAsync(Type type, IDbCommand command, dynamic paramenter)
{
IEnumerable <IQueryParameter> enumarateFromDynamics = DbAccessLayerHelper.EnumarateFromDynamics(paramenter);
foreach (var enumarateFromDynamic in enumarateFromDynamics)
{
command.Parameters.AddWithValue(enumarateFromDynamic.Name, enumarateFromDynamic.Value, Database);
}
return(await RunSelectAsync(type, command));
}
/// <summary>
/// Adds a QueryCommand part to <paramref name="builder" />
/// </summary>
/// <returns></returns>
public static TQuery QueryD <TQuery>(this TQuery builder, string query, dynamic paramerters)
where TQuery : class, IQueryBuilder
{
if (paramerters != null)
{
IEnumerable <IQueryParameter> parameters = DbAccessLayerHelper.EnumarateFromDynamics(paramerters);
return(builder.Add(new GenericQueryPart(query, parameters, builder)));
}
return(builder.Add(new GenericQueryPart(query)));
}
/// <summary>
/// Wraps a QueryCommand and its Paramters from Dynamic and then executes it
/// </summary>
/// <returns></returns>
public int ExecuteGenericCommand(string query, dynamic paramenter)
{
var parameters = paramenter as IEnumerable <IQueryParameter>;
if (parameters != null)
{
var parm = parameters;
return(ExecuteGenericCommand(query, parm));
}
return(ExecuteGenericCommand(query,
(IEnumerable <IQueryParameter>)DbAccessLayerHelper.EnumarateFromDynamics(paramenter)));
}
/// <summary>
/// Wraps a QueryCommand and its Paramters and then executes it
/// </summary>
/// <returns></returns>
public int ExecuteGenericCommand(string query, IEnumerable <IQueryParameter> values)
{
var command = DbAccessLayerHelper.CreateCommand(Database, query);
if (values != null)
{
foreach (var item in values)
{
command.Parameters.AddWithValue(item.Name, item.Value, Database);
}
}
Database.LastExecutedQuery?.Refresh();
return(ExecuteGenericCommand(command));
}
public IQueryFactoryResult Process(IQueryContainer container)
{
var subSelect =
DbAccessLayerHelper.MergeQueryFactoryResult(true, 1, true, null,
SubSelectionQueryParts.Select(e => e.Process(container)).Where(e => e != null).ToArray());
var modifer = Distinct ? "DISTINCT" : "";
modifer += Limit.HasValue ? " TOP" + Limit.Value : "";
var select = new QueryFactoryResult(
$"SELECT {modifer} {Columns.Select(e => e.ColumnAliasStatement()).Aggregate((e, f) => e + "," + f)} " +
$"FROM ({subSelect.Query}) AS [{Alias.GetAlias()}]",
subSelect.Parameters.ToArray());
return(select);
}
/// <inheritdoc />
public IQueryFactoryResult Compile(out IEnumerable <ColumnInfo> columns)
{
var commands = new List <IQueryFactoryResult>();
columns = new ColumnInfo[0];
foreach (var queryPart in Parts)
{
commands.Add(queryPart.Process(this));
var isSelectQuery = (queryPart is ISelectableQueryPart && !(queryPart is JoinTableQueryPart));
if (isSelectQuery)
{
columns = (queryPart as ISelectableQueryPart).Columns;
}
}
return(DbAccessLayerHelper.MergeQueryFactoryResult(true, 1, true, null,
commands.Where(e => e != null).ToArray()));
}
public object[] RunSelect(Type type, string queryString,
IEnumerable <IQueryParameter> paramenter)
{
return
(Database.Run(
s =>
{
var query = DbAccessLayerHelper.CreateCommand(s, queryString);
foreach (var item in paramenter)
{
query.Parameters.AddWithValue(item.Name, item.Value, s);
}
if (Database.LastExecutedQuery != null)
{
Database.LastExecutedQuery.Refresh();
}
Database.PrepaireRemoteExecution(query);
return RunSelect(type, query);
}
));
}
public IQueryFactoryResult Process(IQueryContainer container)
{
var commandBuilder = new StringBuilder();
var commands = new List <IQueryFactoryResult>();
var first = true;
foreach (var cteInfo in CteInfos)
{
if (!first)
{
commandBuilder.Append(", ");
}
first = false;
commandBuilder.Append($"WITH {cteInfo.Name.Value} AS (");
var cteCommand = DbAccessLayerHelper.MergeQueryFactoryResult(true, 1, true, null,
cteInfo.CteContentParts.Select(e => e.Process(container)).Where(e => e != null).ToArray());
commandBuilder.Append(cteCommand.Query);
commandBuilder.Append(")");
commands.Add(new QueryFactoryResult(commandBuilder.ToString(), cteCommand.Parameters.ToArray()));
}
return(DbAccessLayerHelper.MergeQueryFactoryResult(true, 1, true, null, commands.ToArray()));
}
/// <summary>
/// Execute a QueryCommand without Paramters
/// </summary>
/// <returns></returns>
public int ExecuteGenericCommand(string query)
{
return(ExecuteGenericCommand(DbAccessLayerHelper.CreateCommand(Database, query)));
}
internal IDbCommand GenericQueryCreation <TE>(
DbClassInfoCache type,
Func <object, IDatabase, IDbCommand> fallback,
object entity = null,
params object[] parameter)
where TE : DbAccessTypeAttribute
{
if (type == null)
{
throw new ArgumentNullException("type");
}
if (fallback == null)
{
throw new ArgumentNullException("fallback");
}
var factoryAttribute = typeof(TE);
try
{
if (_isIndented.Value)
{
if (Multipath)
{
return(fallback(entity, Database));
}
else
{
throw new InvalidOperationException(
"This method is not allowed in the context of any FactoryMethod. Enable Multipath to allow the Intiligent Query creation");
}
}
_isIndented.Value = true;
var arguments = parameter.ToList();
//try to get the attribute for static selection
if (!arguments.Any())
{
if (factoryAttribute == typeof(SelectFactoryMethodAttribute) && type.SelectFactory != null &&
(!IsMultiProviderEnvironment || type.SelectFactory.Attribute.TargetDatabase == Database.TargetDatabase))
{
return(DbAccessLayerHelper.CreateCommand(Database, type.SelectFactory.Attribute.Query));
}
}
var methods =
type.Mehtods
.Where(s => s.Attributes.Any(e => e.Attribute is TE && (!IsMultiProviderEnvironment
||
((TE)e.Attribute).TargetDatabase ==
Database.TargetDatabase)))
.ToArray();
if (methods.Any())
{
var searchMethodWithFittingParams = methods.Where(s =>
{
var parameterInfos = s.Arguments.Where(f => typeof(RootQuery) != f.Type).ToArray();
if (parameterInfos.Length != arguments.Count)
{
return(false);
}
for (var i = 0; i < parameterInfos.Length; i++)
{
var para = parameterInfos[i];
if (para.ParameterInfo.IsOptional)
{
continue;
}
var tryParam = arguments[i];
if (tryParam == null)
{
return(false);
}
if (!(para.Type == tryParam.GetType()))
{
return(false);
}
}
return(true);
}).ToArray();
if (searchMethodWithFittingParams.Length != 1)
{
if (CheckFactoryArguments && arguments.Any())
{
ThrowNoFactoryFoundException <TE>(arguments);
}
return(fallback(entity, Database));
}
var method = searchMethodWithFittingParams.First();
//must be public static if its an Select otherwise it has to be an instance member
if (factoryAttribute == typeof(SelectFactoryMethodAttribute) &&
!method.MethodInfo.IsStatic ||
factoryAttribute != typeof(SelectFactoryMethodAttribute) &&
method.MethodInfo.IsStatic)
{
if (CheckFactoryArguments && arguments.Any())
{
ThrowNoFactoryFoundException <TE>(arguments);
}
return(fallback(entity, Database));
}
var cleanParams = arguments.Any() ? arguments : null;
var dbMethodArgument = method.Arguments.FirstOrDefault();
IQueryBuilder queryBuilder = null;
if (dbMethodArgument != null && dbMethodArgument.Type == typeof(RootQuery))
{
if (method.ReturnType != typeof(IQueryBuilder))
{
ThrowNoFactoryFoundException <TE>(arguments);
}
queryBuilder = Query();
if (cleanParams == null)
{
cleanParams = new List <object>();
}
cleanParams.Insert(0, queryBuilder);
}
object invoke;
if (cleanParams != null)
{
invoke = method.Invoke(entity, cleanParams.ToArray());
}
else
{
invoke = method.Invoke(entity);
}
if (invoke != null)
{
if (invoke is IQueryBuilder)
{
return((invoke as IQueryBuilder).ContainerObject.Compile());
}
if (!string.IsNullOrEmpty(invoke as string))
{
return(DbAccessLayerHelper.CreateCommand(Database, invoke as string));
}
if (invoke is IQueryFactoryResult)
{
var result = invoke as IQueryFactoryResult;
return(Database.CreateCommandWithParameterValues(result.Query, result.Parameters));
}
}
}
if (CheckFactoryArguments && arguments.Any())
{
ThrowNoFactoryFoundException <TE>(arguments);
}
return(fallback(entity, Database));
}
finally
{
_isIndented.Value = false;
}
}
/// <summary>
/// Creates a Select with appended query.
/// Should be only executed inside an open <code>Database.Run</code>
/// </summary>
/// <returns></returns>
public IDbCommand CreateSelect(Type type, string query)
{
return(DbAccessLayerHelper.CreateCommand(Database,
CreateSelectQueryFactory(GetClassInfo(type)).CommandText + " " + query));
}
/// <summary>
/// Runs
/// <paramref name="query" />
/// and parses output into
/// <paramref name="type" />
/// </summary>
/// <returns></returns>
public async Task <object[]> SelectNativeAsync(Type type, string query, dynamic paramenter)
{
IEnumerable <IQueryParameter> enumarateFromDynamics = DbAccessLayerHelper.EnumarateFromDynamics(paramenter);
return(await SelectNativeAsync(type, query, enumarateFromDynamics));
}
/// <summary>
/// Runs
/// <paramref name="query" />
/// and parses output into
/// <paramref name="type" />
/// </summary>
/// <returns></returns>
public async Task <object[]> SelectNativeAsync(Type type, string query)
{
return(await SelectNativeAsync(type, DbAccessLayerHelper.CreateCommand(Database, query)));
}
