Deveel.Data.Sql.QueryContextExtensions Class Reference

Static Public Member Functions
static bool	ObjectExists (this IQueryContext context, ObjectName objectName)
static bool	ObjectExists (this IQueryContext context, DbObjectType objectType, ObjectName objectName)
static IDbObject	GetObject (this IQueryContext context, DbObjectType objType, ObjectName objName)
static IDbObject	GetObject (this IQueryContext context, DbObjectType objType, ObjectName objName, AccessType accessType)
static bool	DropObject (this IQueryContext context, DbObjectType objectType, ObjectName objectName)
static void	AlterObject (this IQueryContext context, IObjectInfo objectInfo)
static ObjectName	ResolveObjectName (this IQueryContext context, string name)
static ObjectName	ResolveObjectName (this IQueryContext context, DbObjectType objectType, ObjectName objectName)
static IDbObject	FindObject (this IQueryContext context, ObjectName objectName)

Static Package Functions
static void	CreateObject (this IQueryContext context, IObjectInfo objectInfo)

Detailed Description

Definition at line 9 of file QueryContext.Objects.cs.

Member Function Documentation

static void Deveel.Data.Sql.QueryContextExtensions.AlterObject ( this IQueryContext  context, IObjectInfo  objectInfo  )

inlinestatic

Definition at line 90 of file QueryContext.Objects.cs.

                                                                                           {
            if (objectInfo == null)
                throw new ArgumentNullException("objectInfo");

            if (!context.UserCanAlterObject(objectInfo.ObjectType, objectInfo.FullName))
                throw new MissingPrivilegesException(context.UserName(), objectInfo.FullName, Privileges.Alter);

            context.Session().AlterObject(objectInfo);
        }

static void Deveel.Data.Sql.QueryContextExtensions.CreateObject ( this IQueryContext  context, IObjectInfo  objectInfo  )

inlinestaticpackage

Definition at line 65 of file QueryContext.Objects.cs.

                                                                                              {
            // TODO: throw a specialized exception
            if (!context.UserCanCreateObject(objectInfo.ObjectType, objectInfo.FullName))
                throw new InvalidOperationException();

            context.Session().CreateObject(objectInfo);
        }

static bool Deveel.Data.Sql.QueryContextExtensions.DropObject ( this IQueryContext  context, DbObjectType  objectType, ObjectName  objectName  )

inlinestatic

Definition at line 73 of file QueryContext.Objects.cs.

                                                                                                                  {
            if (objectType == DbObjectType.Variable &&
                context.DropVariable(objectName.Name)) {
                return true;
            }
            if (objectType == DbObjectType.Cursor &&
                context.DropCursor(objectName.Name)) {
                return true;
            }

            if (!context.UserCanDropObject(objectType, objectName))
                throw new MissingPrivilegesException(context.UserName(), objectName, Privileges.Drop);

            context.Session().DropObject(objectType, objectName);
            return true;
        }

static IDbObject Deveel.Data.Sql.QueryContextExtensions.FindObject ( this IQueryContext  context, ObjectName  objectName  )

inlinestatic

Definition at line 119 of file QueryContext.Objects.cs.

                                                                                              {
            return context.Session().FindObject(objectName);
        }

static IDbObject Deveel.Data.Sql.QueryContextExtensions.GetObject ( this IQueryContext  context, DbObjectType  objType, ObjectName  objName  )

inlinestatic

Definition at line 39 of file QueryContext.Objects.cs.

                                                                                                                {
            return GetObject(context, objType, objName, AccessType.ReadWrite);
        }

static IDbObject Deveel.Data.Sql.QueryContextExtensions.GetObject ( this IQueryContext  context, DbObjectType  objType, ObjectName  objName, AccessType  accessType  )

inlinestatic

Definition at line 43 of file QueryContext.Objects.cs.

                                                                                                                                       {
            // First handle the special cases of cursors and variable, that can be declared
            //  in a query context
            // If they are declared in the context, the user owns them and we don't need
            //  to verify the ownership
            if (objType == DbObjectType.Cursor) {
                var obj = context.FindCursor(objName.Name);
                if (obj != null)
                    return obj;
            } else if (objType == DbObjectType.Variable) {
                var obj = context.FindVariable(objName.Name);
                if (obj != null)
                    return obj;
            }

            // TODO: throw a specialized exception
            if (!context.UserCanAccessObject(objType, objName))
                throw new InvalidOperationException();

            return context.Session().GetObject(objType, objName, accessType);
        }

static bool Deveel.Data.Sql.QueryContextExtensions.ObjectExists ( this IQueryContext  context, ObjectName  objectName  )

inlinestatic

Definition at line 10 of file QueryContext.Objects.cs.

                                                                                           {
            // Special types for these database objects that can be 
            // declared in a limited context
            if (context.CursorExists(objectName.Name))
                return true;
            if (context.VariableExists(objectName.Name))
                return true;

            // We haven't found it neither in this context nor in the parent: 
            //   fallback to the transaction scope
            return context.Session().ObjectExists(objectName);
        }

static bool Deveel.Data.Sql.QueryContextExtensions.ObjectExists ( this IQueryContext  context, DbObjectType  objectType, ObjectName  objectName  )

inlinestatic

Definition at line 23 of file QueryContext.Objects.cs.

                                                                                                                    {
            // Special types for these database objects that can be 
            // declared in a limited context
            if (objectType == DbObjectType.Cursor &&
                context.CursorExists(objectName.Name))
                return true;

            if (objectType == DbObjectType.Variable &&
                context.VariableExists(objectName.Name))
                return true;

            // We haven't found it neither in this context nor in the parent: 
            //   fallback to the transaction scope
            return context.Session().ObjectExists(objectType, objectName);
        }

static ObjectName Deveel.Data.Sql.QueryContextExtensions.ResolveObjectName ( this IQueryContext  context, string  name  )

inlinestatic

Definition at line 100 of file QueryContext.Objects.cs.

                                                                                            {
            if (context.VariableExists(name) ||
                context.CursorExists(name))
                return new ObjectName(name);

            return context.Session().ResolveObjectName(name);
        }

static ObjectName Deveel.Data.Sql.QueryContextExtensions.ResolveObjectName ( this IQueryContext  context, DbObjectType  objectType, ObjectName  objectName  )

inlinestatic

Definition at line 108 of file QueryContext.Objects.cs.

                                                                                                                               {
            if (objectType == DbObjectType.Variable &&
                context.VariableExists(objectName.Name))
                return new ObjectName(objectName.Name);
            if (objectType == DbObjectType.Cursor &&
                context.CursorExists(objectName.Name))
                return new ObjectName(objectName.Name);

            return context.Session().ResolveObjectName(objectType, objectName);
        }

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The documentation for this class was generated from the following file:

• /var/calculate/remote/distfiles/egit-src/deveeldb.git/src/deveeldb/Deveel.Data.Sql/QueryContext.Objects.cs