Esempio n. 1
0
        public DatabaseTable Execute(CancellationToken ct, string tableName)
        {
            if (ct.IsCancellationRequested)
            {
                return(null);
            }

            var tables = _readerAdapter.Tables(tableName);

            if (tables.Count == 0)
            {
                return(null);
            }
            if (string.IsNullOrEmpty(_readerAdapter.Parameters.Owner))
            {
                var owner = tables[0].SchemaOwner;
                Trace.WriteLine("Using first schema " + owner);
                _readerAdapter.Parameters.Owner = owner;
            }
            var columns          = _readerAdapter.Columns(tableName);
            var identityColumns  = _readerAdapter.IdentityColumns(tableName);
            var checkConstraints = _readerAdapter.CheckConstraints(tableName);
            var pks        = _readerAdapter.PrimaryKeys(tableName);
            var uks        = _readerAdapter.UniqueKeys(tableName);
            var fks        = _readerAdapter.ForeignKeys(tableName);
            var dfs        = _readerAdapter.DefaultConstraints(tableName);
            var triggers   = _readerAdapter.Triggers(tableName);
            var tableDescs = _readerAdapter.TableDescriptions(tableName);
            var colDescs   = _readerAdapter.ColumnDescriptions(tableName);
            var computed   = _readerAdapter.ComputedColumns(tableName);

            var indexes = MergeIndexColumns(_readerAdapter.Indexes(tableName), _readerAdapter.IndexColumns(tableName));

            if (columns.Count == 0)
            {
                return(null);
            }

            var table = new DatabaseTable
            {
                SchemaOwner = _readerAdapter.Parameters.Owner,
                Name        = tableName
            };

            table.Columns.AddRange(columns);
            UpdateCheckConstraints(table, checkConstraints);
            UpdateIdentities(table.Columns, identityColumns);
            UpdateComputed(table.Columns, computed);
            UpdateConstraints(table, pks, ConstraintType.PrimaryKey);
            UpdateConstraints(table, uks, ConstraintType.UniqueKey);
            UpdateConstraints(table, fks, ConstraintType.ForeignKey);
            UpdateConstraints(table, dfs, ConstraintType.Default);
            UpdateIndexes(table, indexes);
            UpdateTriggers(table, triggers);
            UpdateTableDescriptions(table, tableDescs);
            UpdateColumnDescriptions(table, colDescs);
            _readerAdapter.PostProcessing(table);
            return(table);
        }