48 lines
1.5 KiB
C++
48 lines
1.5 KiB
C++
// Modifications copyright (C) 2017, Baidu.com, Inc.
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// Copyright 2017 The Apache Software Foundation
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// Licensed to the Apache Software Foundation (ASF) under one
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// or more contributor license agreements. See the NOTICE file
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// distributed with this work for additional information
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// regarding copyright ownership. The ASF licenses this file
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// to you under the Apache License, Version 2.0 (the
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// "License"); you may not use this file except in compliance
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// with the License. You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing,
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// software distributed under the License is distributed on an
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// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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// KIND, either express or implied. See the License for the
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// specific language governing permissions and limitations
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// under the License.
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#ifndef BDG_PALO_BE_SRC_QUERY_EXEC_SCHEMA_SCANNER_SCHEMA_SCHEMATA_SCANNER_H
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#define BDG_PALO_BE_SRC_QUERY_EXEC_SCHEMA_SCANNER_SCHEMA_SCHEMATA_SCANNER_H
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#include "exec/schema_scanner.h"
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#include "gen_cpp/FrontendService_types.h"
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namespace palo {
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class SchemaSchemataScanner : public SchemaScanner {
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public:
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SchemaSchemataScanner();
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virtual ~SchemaSchemataScanner();
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virtual Status start(RuntimeState *state);
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virtual Status get_next_row(Tuple *tuple, MemPool *pool, bool *eos);
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private:
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Status fill_one_row(Tuple *tuple, MemPool *pool);
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int _db_index;
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TGetDbsResult _db_result;
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static SchemaScanner::ColumnDesc _s_columns[];
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};
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}
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#endif
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