be/src/information_schema/schema_tables_scanner.cpp

Source
// Licensed to the Apache Software Foundation (ASF) under one
// or more contributor license agreements.  See the NOTICE file
// distributed with this work for additional information
// regarding copyright ownership.  The ASF licenses this file
// to you under the Apache License, Version 2.0 (the
// "License"); you may not use this file except in compliance
// with the License.  You may obtain a copy of the License at
//
//   http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing,
// software distributed under the License is distributed on an
// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
// KIND, either express or implied.  See the License for the
// specific language governing permissions and limitations
// under the License.

#include "information_schema/schema_tables_scanner.h"

#include <gen_cpp/Descriptors_types.h>
#include <gen_cpp/FrontendService_types.h>
#include <stdint.h>

#include <string>

#include "common/status.h"
#include "core/data_type/define_primitive_type.h"
#include "core/string_ref.h"
#include "core/value/decimalv2_value.h"
#include "core/value/vdatetime_value.h"
#include "information_schema/schema_helper.h"
#include "runtime/runtime_profile.h"
#include "runtime/runtime_state.h"
#include "util/timezone_utils.h"

namespace doris {
class RuntimeState;

class Block;

std::vector<SchemaScanner::ColumnDesc> SchemaTablesScanner::_s_tbls_columns = {
        //   name,       type,          size,     is_null
        {"TABLE_CATALOG", TYPE_VARCHAR, sizeof(StringRef), true},
        {"TABLE_SCHEMA", TYPE_VARCHAR, sizeof(StringRef), false},
        {"TABLE_NAME", TYPE_VARCHAR, sizeof(StringRef), false},
        {"TABLE_TYPE", TYPE_VARCHAR, sizeof(StringRef), false},
        {"ENGINE", TYPE_VARCHAR, sizeof(StringRef), true},
        {"VERSION", TYPE_BIGINT, sizeof(int64_t), true},
        {"ROW_FORMAT", TYPE_VARCHAR, sizeof(StringRef), true},
        {"TABLE_ROWS", TYPE_BIGINT, sizeof(int64_t), true},
        {"AVG_ROW_LENGTH", TYPE_BIGINT, sizeof(int64_t), true},
        {"DATA_LENGTH", TYPE_BIGINT, sizeof(int64_t), true},
        {"MAX_DATA_LENGTH", TYPE_BIGINT, sizeof(int64_t), true},
        {"INDEX_LENGTH", TYPE_BIGINT, sizeof(int64_t), true},
        {"DATA_FREE", TYPE_BIGINT, sizeof(int64_t), true},
        {"AUTO_INCREMENT", TYPE_BIGINT, sizeof(int64_t), true},
        {"CREATE_TIME", TYPE_DATETIME, sizeof(int128_t), true},
        {"UPDATE_TIME", TYPE_DATETIME, sizeof(int128_t), true},
        {"CHECK_TIME", TYPE_DATETIME, sizeof(int128_t), true},
        {"TABLE_COLLATION", TYPE_VARCHAR, sizeof(StringRef), true},
        {"CHECKSUM", TYPE_BIGINT, sizeof(int64_t), true},
        {"CREATE_OPTIONS", TYPE_VARCHAR, sizeof(StringRef), true},
        {"TABLE_COMMENT", TYPE_VARCHAR, sizeof(StringRef), false},
};

SchemaTablesScanner::SchemaTablesScanner()
        : SchemaScanner(_s_tbls_columns, TSchemaTableType::SCH_TABLES), _db_index(0) {}

SchemaTablesScanner::~SchemaTablesScanner() {}

Status SchemaTablesScanner::start(RuntimeState* state) {
    if (!_is_init) {
        return Status::InternalError("used before initialized.");
    }
    SCOPED_TIMER(_get_db_timer);
    TGetDbsParams db_params;
    if (nullptr != _param->common_param->db) {
        db_params.__set_pattern(*(_param->common_param->db));
    }
    if (nullptr != _param->common_param->catalog) {
        db_params.__set_catalog(*(_param->common_param->catalog));
    }
    if (nullptr != _param->common_param->current_user_ident) {
        db_params.__set_current_user_ident(*(_param->common_param->current_user_ident));
    } else {
        if (nullptr != _param->common_param->user) {
            db_params.__set_user(*(_param->common_param->user));
        }
        if (nullptr != _param->common_param->user_ip) {
            db_params.__set_user_ip(*(_param->common_param->user_ip));
        }
    }

    if (nullptr != _param->common_param->ip && 0 != _param->common_param->port) {
        RETURN_IF_ERROR(SchemaHelper::get_db_names(
                *(_param->common_param->ip), _param->common_param->port, db_params, &_db_result));
    } else {
        return Status::InternalError("IP or port doesn't exists");
    }
    return Status::OK();
}

Status SchemaTablesScanner::_get_new_table() {
    SCOPED_TIMER(_get_table_timer);
    TGetTablesParams table_params;
    table_params.__set_db(_db_result.dbs[_db_index]);
    if (_db_result.__isset.catalogs) {
        table_params.__set_catalog(_db_result.catalogs[_db_index]);
    }
    _db_index++;
    if (nullptr != _param->common_param->wild) {
        table_params.__set_pattern(*(_param->common_param->wild));
    }
    if (nullptr != _param->common_param->table) {
        table_params.__set_table(*(_param->common_param->table));
    }
    table_params.__set_required_columns(_param->common_param->required_columns);
    if (nullptr != _param->common_param->current_user_ident) {
        table_params.__set_current_user_ident(*(_param->common_param->current_user_ident));
    } else {
        if (nullptr != _param->common_param->user) {
            table_params.__set_user(*(_param->common_param->user));
        }
        if (nullptr != _param->common_param->user_ip) {
            table_params.__set_user_ip(*(_param->common_param->user_ip));
        }
    }

    if (nullptr != _param->common_param->ip && 0 != _param->common_param->port) {
        RETURN_IF_ERROR(SchemaHelper::list_table_status(*(_param->common_param->ip),
                                                        _param->common_param->port, table_params,
                                                        &_table_result));
    } else {
        return Status::InternalError("IP or port doesn't exists");
    }
    return Status::OK();
}

Status SchemaTablesScanner::_fill_block_impl(Block* block) {
    SCOPED_TIMER(_fill_block_timer);
    auto table_num = _table_result.tables.size();
    if (table_num == 0) {
        return Status::OK();
    }
    std::vector<void*> null_datas(table_num, nullptr);
    std::vector<void*> datas(table_num);

    // catalog
    {
        if (_db_result.__isset.catalogs) {
            std::string catalog_name = _db_result.catalogs[_db_index - 1];
            StringRef str_slot = StringRef(catalog_name.c_str(), catalog_name.size());
            for (int i = 0; i < table_num; ++i) {
                datas[i] = &str_slot;
            }
            RETURN_IF_ERROR(fill_dest_column_for_range(block, 0, datas));
        } else {
            RETURN_IF_ERROR(fill_dest_column_for_range(block, 0, null_datas));
        }
    }
    // schema
    {
        std::string db_name = SchemaHelper::extract_db_name(_db_result.dbs[_db_index - 1]);
        StringRef str_slot = StringRef(db_name.c_str(), db_name.size());
        for (int i = 0; i < table_num; ++i) {
            datas[i] = &str_slot;
        }
        RETURN_IF_ERROR(fill_dest_column_for_range(block, 1, datas));
    }
    // name
    {
        std::vector<StringRef> strs(table_num);
        for (int i = 0; i < table_num; ++i) {
            const std::string* src = &_table_result.tables[i].name;
            strs[i] = StringRef(src->c_str(), src->size());
            datas[i] = strs.data() + i;
        }
        RETURN_IF_ERROR(fill_dest_column_for_range(block, 2, datas));
    }
    // type
    {
        std::vector<StringRef> strs(table_num);
        for (int i = 0; i < table_num; ++i) {
            const std::string* src = &_table_result.tables[i].type;
            strs[i] = StringRef(src->c_str(), src->size());
            datas[i] = strs.data() + i;
        }
        RETURN_IF_ERROR(fill_dest_column_for_range(block, 3, datas));
    }
    // engine
    {
        std::vector<StringRef> strs(table_num);
        for (int i = 0; i < table_num; ++i) {
            const TTableStatus& tbl_status = _table_result.tables[i];
            if (tbl_status.__isset.engine) {
                const std::string* src = &tbl_status.engine;
                strs[i] = StringRef(src->c_str(), src->size());
                datas[i] = strs.data() + i;
            } else {
                datas[i] = nullptr;
            }
        }
        RETURN_IF_ERROR(fill_dest_column_for_range(block, 4, datas));
    }
    // version
    { RETURN_IF_ERROR(fill_dest_column_for_range(block, 5, null_datas)); }
    // row_format
    { RETURN_IF_ERROR(fill_dest_column_for_range(block, 6, null_datas)); }
    // rows
    {
        std::vector<int64_t> srcs(table_num);
        for (int i = 0; i < table_num; ++i) {
            const TTableStatus& tbl_status = _table_result.tables[i];
            if (tbl_status.__isset.rows) {
                srcs[i] = tbl_status.rows;
                datas[i] = srcs.data() + i;
            } else {
                datas[i] = nullptr;
            }
        }
        RETURN_IF_ERROR(fill_dest_column_for_range(block, 7, datas));
    }
    // avg_row_length
    {
        std::vector<int64_t> srcs(table_num);
        for (int i = 0; i < table_num; ++i) {
            const TTableStatus& tbl_status = _table_result.tables[i];
            if (tbl_status.__isset.avg_row_length) {
                srcs[i] = tbl_status.avg_row_length;
                datas[i] = srcs.data() + i;
            } else {
                datas[i] = nullptr;
            }
        }
        RETURN_IF_ERROR(fill_dest_column_for_range(block, 8, datas));
    }
    // data_length
    {
        std::vector<int64_t> srcs(table_num);
        for (int i = 0; i < table_num; ++i) {
            const TTableStatus& tbl_status = _table_result.tables[i];
            if (tbl_status.__isset.data_length) {
                srcs[i] = tbl_status.data_length;
                datas[i] = srcs.data() + i;
            } else {
                datas[i] = nullptr;
            }
        }
        RETURN_IF_ERROR(fill_dest_column_for_range(block, 9, datas));
    }
    // max_data_length
    { RETURN_IF_ERROR(fill_dest_column_for_range(block, 10, null_datas)); }
    // index_length
    {
        std::vector<int64_t> srcs(table_num);
        for (int i = 0; i < table_num; ++i) {
            const TTableStatus& tbl_status = _table_result.tables[i];
            if (tbl_status.__isset.index_length) {
                srcs[i] = tbl_status.index_length;
                datas[i] = srcs.data() + i;
            } else {
                datas[i] = nullptr;
            }
        }
        RETURN_IF_ERROR(fill_dest_column_for_range(block, 11, datas));
    }
    // data_free
    { RETURN_IF_ERROR(fill_dest_column_for_range(block, 12, null_datas)); }
    // auto_increment
    { RETURN_IF_ERROR(fill_dest_column_for_range(block, 13, null_datas)); }
    // creation_time
    {
        std::vector<VecDateTimeValue> srcs(table_num);
        for (int i = 0; i < table_num; ++i) {
            const TTableStatus& tbl_status = _table_result.tables[i];
            if (tbl_status.__isset.create_time) {
                int64_t create_time = tbl_status.create_time;
                if (create_time <= 0) {
                    datas[i] = nullptr;
                } else {
                    srcs[i].from_unixtime(create_time, _timezone_obj);
                    datas[i] = srcs.data() + i;
                }
            } else {
                datas[i] = nullptr;
            }
        }
        RETURN_IF_ERROR(fill_dest_column_for_range(block, 14, datas));
    }
    // update_time
    {
        std::vector<VecDateTimeValue> srcs(table_num);
        for (int i = 0; i < table_num; ++i) {
            const TTableStatus& tbl_status = _table_result.tables[i];
            if (tbl_status.__isset.update_time) {
                int64_t update_time = tbl_status.update_time;
                if (update_time <= 0) {
                    datas[i] = nullptr;
                } else {
                    srcs[i].from_unixtime(update_time, _timezone_obj);
                    datas[i] = srcs.data() + i;
                }
            } else {
                datas[i] = nullptr;
            }
        }
        RETURN_IF_ERROR(fill_dest_column_for_range(block, 15, datas));
    }
    // check_time
    {
        std::vector<VecDateTimeValue> srcs(table_num);
        for (int i = 0; i < table_num; ++i) {
            const TTableStatus& tbl_status = _table_result.tables[i];
            if (tbl_status.__isset.last_check_time) {
                int64_t check_time = tbl_status.last_check_time;
                if (check_time <= 0) {
                    datas[i] = nullptr;
                } else {
                    srcs[i].from_unixtime(check_time, _timezone_obj);
                    datas[i] = srcs.data() + i;
                }
            } else {
                datas[i] = nullptr;
            }
        }
        RETURN_IF_ERROR(fill_dest_column_for_range(block, 16, datas));
    }
    // collation
    {
        std::vector<StringRef> strs(table_num);
        for (int i = 0; i < table_num; ++i) {
            const TTableStatus& tbl_status = _table_result.tables[i];
            if (tbl_status.__isset.collation) {
                const std::string* src = &tbl_status.collation;
                strs[i] = StringRef(src->c_str(), src->size());
                datas[i] = strs.data() + i;
            } else {
                datas[i] = nullptr;
            }
        }
        RETURN_IF_ERROR(fill_dest_column_for_range(block, 17, datas));
    }
    // checksum
    { RETURN_IF_ERROR(fill_dest_column_for_range(block, 18, null_datas)); }
    // create_options
    { RETURN_IF_ERROR(fill_dest_column_for_range(block, 19, null_datas)); }
    // create_comment
    {
        std::vector<StringRef> strs(table_num);
        for (int i = 0; i < table_num; ++i) {
            const std::string* src = &_table_result.tables[i].comment;
            strs[i] = StringRef(src->c_str(), src->size());
            datas[i] = strs.data() + i;
        }
        RETURN_IF_ERROR(fill_dest_column_for_range(block, 20, datas));
    }
    return Status::OK();
}

Status SchemaTablesScanner::get_next_block_internal(Block* block, bool* eos) {
    if (!_is_init) {
        return Status::InternalError("Used before initialized.");
    }
    if (nullptr == block || nullptr == eos) {
        return Status::InternalError("input pointer is nullptr.");
    }
    if (_db_index < _db_result.dbs.size()) {
        RETURN_IF_ERROR(_get_new_table());
    } else {
        *eos = true;
        return Status::OK();
    }
    *eos = false;
    return _fill_block_impl(block);
}

} // namespace doris

Coverage Report

Created: 2026-07-08 16:24

Line	Count	Source
1		// Licensed to the Apache Software Foundation (ASF) under one
2		// or more contributor license agreements. See the NOTICE file
3		// distributed with this work for additional information
4		// regarding copyright ownership. The ASF licenses this file
5		// to you under the Apache License, Version 2.0 (the
6		// "License"); you may not use this file except in compliance
7		// with the License. You may obtain a copy of the License at
8		//
9		// http://www.apache.org/licenses/LICENSE-2.0
10		//
11		// Unless required by applicable law or agreed to in writing,
12		// software distributed under the License is distributed on an
13		// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
14		// KIND, either express or implied. See the License for the
15		// specific language governing permissions and limitations
16		// under the License.
17
18		#include "information_schema/schema_tables_scanner.h"
19
20		#include <gen_cpp/Descriptors_types.h>
21		#include <gen_cpp/FrontendService_types.h>
22		#include <stdint.h>
23
24		#include <string>
25
26		#include "common/status.h"
27		#include "core/data_type/define_primitive_type.h"
28		#include "core/string_ref.h"
29		#include "core/value/decimalv2_value.h"
30		#include "core/value/vdatetime_value.h"
31		#include "information_schema/schema_helper.h"
32		#include "runtime/runtime_profile.h"
33		#include "runtime/runtime_state.h"
34		#include "util/timezone_utils.h"
35
36		namespace doris {
37		class RuntimeState;
38
39		class Block;
40
41		std::vector<SchemaScanner::ColumnDesc> SchemaTablesScanner::_s_tbls_columns = {
42		// name, type, size, is_null
43		{"TABLE_CATALOG", TYPE_VARCHAR, sizeof(StringRef), true},
44		{"TABLE_SCHEMA", TYPE_VARCHAR, sizeof(StringRef), false},
45		{"TABLE_NAME", TYPE_VARCHAR, sizeof(StringRef), false},
46		{"TABLE_TYPE", TYPE_VARCHAR, sizeof(StringRef), false},
47		{"ENGINE", TYPE_VARCHAR, sizeof(StringRef), true},
48		{"VERSION", TYPE_BIGINT, sizeof(int64_t), true},
49		{"ROW_FORMAT", TYPE_VARCHAR, sizeof(StringRef), true},
50		{"TABLE_ROWS", TYPE_BIGINT, sizeof(int64_t), true},
51		{"AVG_ROW_LENGTH", TYPE_BIGINT, sizeof(int64_t), true},
52		{"DATA_LENGTH", TYPE_BIGINT, sizeof(int64_t), true},
53		{"MAX_DATA_LENGTH", TYPE_BIGINT, sizeof(int64_t), true},
54		{"INDEX_LENGTH", TYPE_BIGINT, sizeof(int64_t), true},
55		{"DATA_FREE", TYPE_BIGINT, sizeof(int64_t), true},
56		{"AUTO_INCREMENT", TYPE_BIGINT, sizeof(int64_t), true},
57		{"CREATE_TIME", TYPE_DATETIME, sizeof(int128_t), true},
58		{"UPDATE_TIME", TYPE_DATETIME, sizeof(int128_t), true},
59		{"CHECK_TIME", TYPE_DATETIME, sizeof(int128_t), true},
60		{"TABLE_COLLATION", TYPE_VARCHAR, sizeof(StringRef), true},
61		{"CHECKSUM", TYPE_BIGINT, sizeof(int64_t), true},
62		{"CREATE_OPTIONS", TYPE_VARCHAR, sizeof(StringRef), true},
63		{"TABLE_COMMENT", TYPE_VARCHAR, sizeof(StringRef), false},
64		};
65
66		SchemaTablesScanner::SchemaTablesScanner()
67	0	: SchemaScanner(_s_tbls_columns, TSchemaTableType::SCH_TABLES), _db_index(0) {}
68
69	0	SchemaTablesScanner::~SchemaTablesScanner() {}
70
71	0	Status SchemaTablesScanner::start(RuntimeState* state) {
72	0	if (!_is_init) {
73	0	return Status::InternalError("used before initialized.");
74	0	}
75	0	SCOPED_TIMER(_get_db_timer);
76	0	TGetDbsParams db_params;
77	0	if (nullptr != _param->common_param->db) {
78	0	db_params.__set_pattern(*(_param->common_param->db));
79	0	}
80	0	if (nullptr != _param->common_param->catalog) {
81	0	db_params.__set_catalog(*(_param->common_param->catalog));
82	0	}
83	0	if (nullptr != _param->common_param->current_user_ident) {
84	0	db_params.__set_current_user_ident(*(_param->common_param->current_user_ident));
85	0	} else {
86	0	if (nullptr != _param->common_param->user) {
87	0	db_params.__set_user(*(_param->common_param->user));
88	0	}
89	0	if (nullptr != _param->common_param->user_ip) {
90	0	db_params.__set_user_ip(*(_param->common_param->user_ip));
91	0	}
92	0	}
93
94	0	if (nullptr != _param->common_param->ip && 0 != _param->common_param->port) {
95	0	RETURN_IF_ERROR(SchemaHelper::get_db_names(
96	0	*(_param->common_param->ip), _param->common_param->port, db_params, &_db_result));
97	0	} else {
98	0	return Status::InternalError("IP or port doesn't exists");
99	0	}
100	0	return Status::OK();
101	0	}
102
103	0	Status SchemaTablesScanner::_get_new_table() {
104	0	SCOPED_TIMER(_get_table_timer);
105	0	TGetTablesParams table_params;
106	0	table_params.__set_db(_db_result.dbs[_db_index]);
107	0	if (_db_result.__isset.catalogs) {
108	0	table_params.__set_catalog(_db_result.catalogs[_db_index]);
109	0	}
110	0	_db_index++;
111	0	if (nullptr != _param->common_param->wild) {
112	0	table_params.__set_pattern(*(_param->common_param->wild));
113	0	}
114	0	if (nullptr != _param->common_param->table) {
115	0	table_params.__set_table(*(_param->common_param->table));
116	0	}
117	0	table_params.__set_required_columns(_param->common_param->required_columns);
118	0	if (nullptr != _param->common_param->current_user_ident) {
119	0	table_params.__set_current_user_ident(*(_param->common_param->current_user_ident));
120	0	} else {
121	0	if (nullptr != _param->common_param->user) {
122	0	table_params.__set_user(*(_param->common_param->user));
123	0	}
124	0	if (nullptr != _param->common_param->user_ip) {
125	0	table_params.__set_user_ip(*(_param->common_param->user_ip));
126	0	}
127	0	}
128
129	0	if (nullptr != _param->common_param->ip && 0 != _param->common_param->port) {
130	0	RETURN_IF_ERROR(SchemaHelper::list_table_status(*(_param->common_param->ip),
131	0	_param->common_param->port, table_params,
132	0	&_table_result));
133	0	} else {
134	0	return Status::InternalError("IP or port doesn't exists");
135	0	}
136	0	return Status::OK();
137	0	}
138
139	0	Status SchemaTablesScanner::_fill_block_impl(Block* block) {
140	0	SCOPED_TIMER(_fill_block_timer);
141	0	auto table_num = _table_result.tables.size();
142	0	if (table_num == 0) {
143	0	return Status::OK();
144	0	}
145	0	std::vector<void*> null_datas(table_num, nullptr);
146	0	std::vector<void*> datas(table_num);
147
148		// catalog
149	0	{
150	0	if (_db_result.__isset.catalogs) {
151	0	std::string catalog_name = _db_result.catalogs[_db_index - 1];
152	0	StringRef str_slot = StringRef(catalog_name.c_str(), catalog_name.size());
153	0	for (int i = 0; i < table_num; ++i) {
154	0	datas[i] = &str_slot;
155	0	}
156	0	RETURN_IF_ERROR(fill_dest_column_for_range(block, 0, datas));
157	0	} else {
158	0	RETURN_IF_ERROR(fill_dest_column_for_range(block, 0, null_datas));
159	0	}
160	0	}
161		// schema
162	0	{
163	0	std::string db_name = SchemaHelper::extract_db_name(_db_result.dbs[_db_index - 1]);
164	0	StringRef str_slot = StringRef(db_name.c_str(), db_name.size());
165	0	for (int i = 0; i < table_num; ++i) {
166	0	datas[i] = &str_slot;
167	0	}
168	0	RETURN_IF_ERROR(fill_dest_column_for_range(block, 1, datas));
169	0	}
170		// name
171	0	{
172	0	std::vector<StringRef> strs(table_num);
173	0	for (int i = 0; i < table_num; ++i) {
174	0	const std::string* src = &_table_result.tables[i].name;
175	0	strs[i] = StringRef(src->c_str(), src->size());
176	0	datas[i] = strs.data() + i;
177	0	}
178	0	RETURN_IF_ERROR(fill_dest_column_for_range(block, 2, datas));
179	0	}
180		// type
181	0	{
182	0	std::vector<StringRef> strs(table_num);
183	0	for (int i = 0; i < table_num; ++i) {
184	0	const std::string* src = &_table_result.tables[i].type;
185	0	strs[i] = StringRef(src->c_str(), src->size());
186	0	datas[i] = strs.data() + i;
187	0	}
188	0	RETURN_IF_ERROR(fill_dest_column_for_range(block, 3, datas));
189	0	}
190		// engine
191	0	{
192	0	std::vector<StringRef> strs(table_num);
193	0	for (int i = 0; i < table_num; ++i) {
194	0	const TTableStatus& tbl_status = _table_result.tables[i];
195	0	if (tbl_status.__isset.engine) {
196	0	const std::string* src = &tbl_status.engine;
197	0	strs[i] = StringRef(src->c_str(), src->size());
198	0	datas[i] = strs.data() + i;
199	0	} else {
200	0	datas[i] = nullptr;
201	0	}
202	0	}
203	0	RETURN_IF_ERROR(fill_dest_column_for_range(block, 4, datas));
204	0	}
205		// version
206	0	{ RETURN_IF_ERROR(fill_dest_column_for_range(block, 5, null_datas)); }
207		// row_format
208	0	{ RETURN_IF_ERROR(fill_dest_column_for_range(block, 6, null_datas)); }
209		// rows
210	0	{
211	0	std::vector<int64_t> srcs(table_num);
212	0	for (int i = 0; i < table_num; ++i) {
213	0	const TTableStatus& tbl_status = _table_result.tables[i];
214	0	if (tbl_status.__isset.rows) {
215	0	srcs[i] = tbl_status.rows;
216	0	datas[i] = srcs.data() + i;
217	0	} else {
218	0	datas[i] = nullptr;
219	0	}
220	0	}
221	0	RETURN_IF_ERROR(fill_dest_column_for_range(block, 7, datas));
222	0	}
223		// avg_row_length
224	0	{
225	0	std::vector<int64_t> srcs(table_num);
226	0	for (int i = 0; i < table_num; ++i) {
227	0	const TTableStatus& tbl_status = _table_result.tables[i];
228	0	if (tbl_status.__isset.avg_row_length) {
229	0	srcs[i] = tbl_status.avg_row_length;
230	0	datas[i] = srcs.data() + i;
231	0	} else {
232	0	datas[i] = nullptr;
233	0	}
234	0	}
235	0	RETURN_IF_ERROR(fill_dest_column_for_range(block, 8, datas));
236	0	}
237		// data_length
238	0	{
239	0	std::vector<int64_t> srcs(table_num);
240	0	for (int i = 0; i < table_num; ++i) {
241	0	const TTableStatus& tbl_status = _table_result.tables[i];
242	0	if (tbl_status.__isset.data_length) {
243	0	srcs[i] = tbl_status.data_length;
244	0	datas[i] = srcs.data() + i;
245	0	} else {
246	0	datas[i] = nullptr;
247	0	}
248	0	}
249	0	RETURN_IF_ERROR(fill_dest_column_for_range(block, 9, datas));
250	0	}
251		// max_data_length
252	0	{ RETURN_IF_ERROR(fill_dest_column_for_range(block, 10, null_datas)); }
253		// index_length
254	0	{
255	0	std::vector<int64_t> srcs(table_num);
256	0	for (int i = 0; i < table_num; ++i) {
257	0	const TTableStatus& tbl_status = _table_result.tables[i];
258	0	if (tbl_status.__isset.index_length) {
259	0	srcs[i] = tbl_status.index_length;
260	0	datas[i] = srcs.data() + i;
261	0	} else {
262	0	datas[i] = nullptr;
263	0	}
264	0	}
265	0	RETURN_IF_ERROR(fill_dest_column_for_range(block, 11, datas));
266	0	}
267		// data_free
268	0	{ RETURN_IF_ERROR(fill_dest_column_for_range(block, 12, null_datas)); }
269		// auto_increment
270	0	{ RETURN_IF_ERROR(fill_dest_column_for_range(block, 13, null_datas)); }
271		// creation_time
272	0	{
273	0	std::vector<VecDateTimeValue> srcs(table_num);
274	0	for (int i = 0; i < table_num; ++i) {
275	0	const TTableStatus& tbl_status = _table_result.tables[i];
276	0	if (tbl_status.__isset.create_time) {
277	0	int64_t create_time = tbl_status.create_time;
278	0	if (create_time <= 0) {
279	0	datas[i] = nullptr;
280	0	} else {
281	0	srcs[i].from_unixtime(create_time, _timezone_obj);
282	0	datas[i] = srcs.data() + i;
283	0	}
284	0	} else {
285	0	datas[i] = nullptr;
286	0	}
287	0	}
288	0	RETURN_IF_ERROR(fill_dest_column_for_range(block, 14, datas));
289	0	}
290		// update_time
291	0	{
292	0	std::vector<VecDateTimeValue> srcs(table_num);
293	0	for (int i = 0; i < table_num; ++i) {
294	0	const TTableStatus& tbl_status = _table_result.tables[i];
295	0	if (tbl_status.__isset.update_time) {
296	0	int64_t update_time = tbl_status.update_time;
297	0	if (update_time <= 0) {
298	0	datas[i] = nullptr;
299	0	} else {
300	0	srcs[i].from_unixtime(update_time, _timezone_obj);
301	0	datas[i] = srcs.data() + i;
302	0	}
303	0	} else {
304	0	datas[i] = nullptr;
305	0	}
306	0	}
307	0	RETURN_IF_ERROR(fill_dest_column_for_range(block, 15, datas));
308	0	}
309		// check_time
310	0	{
311	0	std::vector<VecDateTimeValue> srcs(table_num);
312	0	for (int i = 0; i < table_num; ++i) {
313	0	const TTableStatus& tbl_status = _table_result.tables[i];
314	0	if (tbl_status.__isset.last_check_time) {
315	0	int64_t check_time = tbl_status.last_check_time;
316	0	if (check_time <= 0) {
317	0	datas[i] = nullptr;
318	0	} else {
319	0	srcs[i].from_unixtime(check_time, _timezone_obj);
320	0	datas[i] = srcs.data() + i;
321	0	}
322	0	} else {
323	0	datas[i] = nullptr;
324	0	}
325	0	}
326	0	RETURN_IF_ERROR(fill_dest_column_for_range(block, 16, datas));
327	0	}
328		// collation
329	0	{
330	0	std::vector<StringRef> strs(table_num);
331	0	for (int i = 0; i < table_num; ++i) {
332	0	const TTableStatus& tbl_status = _table_result.tables[i];
333	0	if (tbl_status.__isset.collation) {
334	0	const std::string* src = &tbl_status.collation;
335	0	strs[i] = StringRef(src->c_str(), src->size());
336	0	datas[i] = strs.data() + i;
337	0	} else {
338	0	datas[i] = nullptr;
339	0	}
340	0	}
341	0	RETURN_IF_ERROR(fill_dest_column_for_range(block, 17, datas));
342	0	}
343		// checksum
344	0	{ RETURN_IF_ERROR(fill_dest_column_for_range(block, 18, null_datas)); }
345		// create_options
346	0	{ RETURN_IF_ERROR(fill_dest_column_for_range(block, 19, null_datas)); }
347		// create_comment
348	0	{
349	0	std::vector<StringRef> strs(table_num);
350	0	for (int i = 0; i < table_num; ++i) {
351	0	const std::string* src = &_table_result.tables[i].comment;
352	0	strs[i] = StringRef(src->c_str(), src->size());
353	0	datas[i] = strs.data() + i;
354	0	}
355	0	RETURN_IF_ERROR(fill_dest_column_for_range(block, 20, datas));
356	0	}
357	0	return Status::OK();
358	0	}
359
360	0	Status SchemaTablesScanner::get_next_block_internal(Block* block, bool* eos) {
361	0	if (!_is_init) {
362	0	return Status::InternalError("Used before initialized.");
363	0	}
364	0	if (nullptr == block \|\| nullptr == eos) {
365	0	return Status::InternalError("input pointer is nullptr.");
366	0	}
367	0	if (_db_index < _db_result.dbs.size()) {
368	0	RETURN_IF_ERROR(_get_new_table());
369	0	} else {
370	0	*eos = true;
371	0	return Status::OK();
372	0	}
373	0	*eos = false;
374	0	return _fill_block_impl(block);
375	0	}
376
377		} // namespace doris