be/src/information_schema/schema_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_scanner.h"

#include <gen_cpp/Descriptors_types.h>
#include <gen_cpp/Types_types.h>
#include <glog/logging.h>
#include <string.h>

#include <new>
#include <ostream>
#include <utility>

#include "core/block/block.h"
#include "core/block/column_with_type_and_name.h"
#include "core/column/column.h"
#include "core/column/column_complex.h"
#include "core/column/column_nullable.h"
#include "core/column/column_string.h"
#include "core/column/column_vector.h"
#include "core/data_type/data_type.h"
#include "core/data_type/data_type_factory.hpp"
#include "core/data_type/define_primitive_type.h"
#include "core/data_type/primitive_type.h"
#include "core/packed_int128.h"
#include "core/string_ref.h"
#include "core/types.h"
#include "core/value/hll.h"
#include "exec/pipeline/dependency.h"
#include "information_schema/schema_active_queries_scanner.h"
#include "information_schema/schema_backend_active_tasks.h"
#include "information_schema/schema_backend_configuration_scanner.h"
#include "information_schema/schema_backend_kerberos_ticket_cache.h"
#include "information_schema/schema_catalog_meta_cache_stats_scanner.h"
#include "information_schema/schema_charsets_scanner.h"
#include "information_schema/schema_cluster_snapshot_properties_scanner.h"
#include "information_schema/schema_cluster_snapshots_scanner.h"
#include "information_schema/schema_collations_scanner.h"
#include "information_schema/schema_column_data_sizes_scanner.h"
#include "information_schema/schema_columns_scanner.h"
#include "information_schema/schema_database_properties_scanner.h"
#include "information_schema/schema_dummy_scanner.h"
#include "information_schema/schema_encryption_keys_scanner.h"
#include "information_schema/schema_file_cache_info_scanner.h"
#include "information_schema/schema_file_cache_statistics.h"
#include "information_schema/schema_files_scanner.h"
#include "information_schema/schema_load_job_scanner.h"
#include "information_schema/schema_metadata_name_ids_scanner.h"
#include "information_schema/schema_partitions_scanner.h"
#include "information_schema/schema_processlist_scanner.h"
#include "information_schema/schema_profiling_scanner.h"
#include "information_schema/schema_routine_load_job_scanner.h"
#include "information_schema/schema_rowsets_scanner.h"
#include "information_schema/schema_schema_privileges_scanner.h"
#include "information_schema/schema_schemata_scanner.h"
#include "information_schema/schema_sql_block_rule_status_scanner.h"
#include "information_schema/schema_table_options_scanner.h"
#include "information_schema/schema_table_privileges_scanner.h"
#include "information_schema/schema_table_properties_scanner.h"
#include "information_schema/schema_tables_scanner.h"
#include "information_schema/schema_tablets_scanner.h"
#include "information_schema/schema_user_privileges_scanner.h"
#include "information_schema/schema_user_scanner.h"
#include "information_schema/schema_variables_scanner.h"
#include "information_schema/schema_view_dependency_scanner.h"
#include "information_schema/schema_views_scanner.h"
#include "information_schema/schema_workload_group_privileges.h"
#include "information_schema/schema_workload_group_resource_usage_scanner.h"
#include "information_schema/schema_workload_groups_scanner.h"
#include "information_schema/schema_workload_sched_policy_scanner.h"
#include "runtime/fragment_mgr.h"
#include "util/string_util.h"

namespace doris {
class ObjectPool;

SchemaScanner::SchemaScanner(const std::vector<ColumnDesc>& columns, TSchemaTableType::type type)
        : _is_init(false), _columns(columns), _schema_table_type(type) {}

SchemaScanner::~SchemaScanner() = default;

Status SchemaScanner::start(RuntimeState* state) {
    if (!_is_init) {
        return Status::InternalError("call Start before Init.");
    }

    return Status::OK();
}

Status SchemaScanner::get_next_block(RuntimeState* state, Block* block, bool* eos) {
    if (_data_block == nullptr) {
        return Status::InternalError("No data left!");
    }
    DCHECK(_async_thread_running == false);
    RETURN_IF_ERROR(_scanner_status.status());
    for (size_t i = 0; i < block->columns(); i++) {
        std::move(*block->get_by_position(i).column)
                .mutate()
                ->insert_range_from(*_data_block->get_by_position(i).column, 0,
                                    _data_block->rows());
    }
    _data_block->clear_column_data();
    *eos = _eos;
    if (!*eos) {
        RETURN_IF_ERROR(get_next_block_async(state));
    }
    return Status::OK();
}

Status SchemaScanner::get_next_block_async(RuntimeState* state) {
    _dependency->block();
    auto task_ctx = state->get_task_execution_context();
    RETURN_IF_ERROR(ExecEnv::GetInstance()->fragment_mgr()->get_thread_pool()->submit_func(
            [this, task_ctx, state]() {
                auto task_lock = task_ctx.lock();
                if (task_lock == nullptr) {
                    return;
                }
                DCHECK(_async_thread_running == false);
                SCOPED_ATTACH_TASK(state);
                _async_thread_running = true;
                if (!_opened) {
                    _data_block = Block::create_unique();
                    _init_block(_data_block.get());
                    _scanner_status.update(start(state));
                    _opened = true;
                }
                bool eos = false;
                auto call_next_block_internal = [&]() -> Status {
                    RETURN_IF_CATCH_EXCEPTION(
                            { return get_next_block_internal(_data_block.get(), &eos); });
                };
                _scanner_status.update(call_next_block_internal());
                _eos = eos;
                _async_thread_running = false;
                _dependency->set_ready();
            }));
    return Status::OK();
}

Status SchemaScanner::init(RuntimeState* state, SchemaScannerParam* param, ObjectPool* pool) {
    if (_is_init) {
        return Status::OK();
    }
    if (nullptr == param || nullptr == pool) {
        return Status::InternalError("invalid parameter");
    }

    _param = param;
    _timezone = state->timezone();
    _timezone_obj = state->timezone_obj();
    _is_init = true;

    if (_param->profile) {
        _get_db_timer = ADD_TIMER(_param->profile, "GetDbTime");
        _get_table_timer = ADD_TIMER(_param->profile, "GetTableTime");
        _get_describe_timer = ADD_TIMER(_param->profile, "GetDescribeTime");
        _fill_block_timer = ADD_TIMER(_param->profile, "FillBlockTime");
    }

    return Status::OK();
}

std::unique_ptr<SchemaScanner> SchemaScanner::create(TSchemaTableType::type type) {
    switch (type) {
    case TSchemaTableType::SCH_TABLES:
        return SchemaTablesScanner::create_unique();
    case TSchemaTableType::SCH_SCHEMATA:
        return SchemaSchemataScanner::create_unique();
    case TSchemaTableType::SCH_COLUMNS:
        return SchemaColumnsScanner::create_unique();
    case TSchemaTableType::SCH_CHARSETS:
        return SchemaCharsetsScanner::create_unique();
    case TSchemaTableType::SCH_COLLATIONS:
        return SchemaCollationsScanner::create_unique();
    case TSchemaTableType::SCH_GLOBAL_VARIABLES:
        return SchemaVariablesScanner::create_unique(TVarType::GLOBAL);
    case TSchemaTableType::SCH_SESSION_VARIABLES:
    case TSchemaTableType::SCH_VARIABLES:
        return SchemaVariablesScanner::create_unique(TVarType::SESSION);
    case TSchemaTableType::SCH_VIEWS:
        return SchemaViewsScanner::create_unique();
    case TSchemaTableType::SCH_TABLE_PRIVILEGES:
        return SchemaTablePrivilegesScanner::create_unique();
    case TSchemaTableType::SCH_SCHEMA_PRIVILEGES:
        return SchemaSchemaPrivilegesScanner::create_unique();
    case TSchemaTableType::SCH_USER_PRIVILEGES:
        return SchemaUserPrivilegesScanner::create_unique();
    case TSchemaTableType::SCH_FILES:
        return SchemaFilesScanner::create_unique();
    case TSchemaTableType::SCH_PARTITIONS:
        return SchemaPartitionsScanner::create_unique();
    case TSchemaTableType::SCH_BACKEND_CONFIGURATION:
        return SchemaBackendConfigurationScanner::create_unique();
    case TSchemaTableType::SCH_ROWSETS:
        return SchemaRowsetsScanner::create_unique();
    case TSchemaTableType::SCH_METADATA_NAME_IDS:
        return SchemaMetadataNameIdsScanner::create_unique();
    case TSchemaTableType::SCH_PROFILING:
        return SchemaProfilingScanner::create_unique();
    case TSchemaTableType::SCH_BACKEND_ACTIVE_TASKS:
        return SchemaBackendActiveTasksScanner::create_unique();
    case TSchemaTableType::SCH_ACTIVE_QUERIES:
        return SchemaActiveQueriesScanner::create_unique();
    case TSchemaTableType::SCH_WORKLOAD_GROUPS:
        return SchemaWorkloadGroupsScanner::create_unique();
    case TSchemaTableType::SCH_PROCESSLIST:
        return SchemaProcessListScanner::create_unique();
    case TSchemaTableType::SCH_USER:
        return SchemaUserScanner::create_unique();
    case TSchemaTableType::SCH_WORKLOAD_POLICY:
        return SchemaWorkloadSchedulePolicyScanner::create_unique();
    case TSchemaTableType::SCH_TABLE_OPTIONS:
        return SchemaTableOptionsScanner::create_unique();
    case TSchemaTableType::SCH_WORKLOAD_GROUP_PRIVILEGES:
        return SchemaWorkloadGroupPrivilegesScanner::create_unique();
    case TSchemaTableType::SCH_WORKLOAD_GROUP_RESOURCE_USAGE:
        return SchemaBackendWorkloadGroupResourceUsage::create_unique();
    case TSchemaTableType::SCH_TABLE_PROPERTIES:
        return SchemaTablePropertiesScanner::create_unique();
    case TSchemaTableType::SCH_DATABASE_PROPERTIES:
        return SchemaDatabasePropertiesScanner::create_unique();
    case TSchemaTableType::SCH_FILE_CACHE_STATISTICS:
        return SchemaFileCacheStatisticsScanner::create_unique();
    case TSchemaTableType::SCH_CATALOG_META_CACHE_STATISTICS:
        return SchemaCatalogMetaCacheStatsScanner::create_unique();
    case TSchemaTableType::SCH_BACKEND_KERBEROS_TICKET_CACHE:
        return SchemaBackendKerberosTicketCacheScanner::create_unique();
    case TSchemaTableType::SCH_ROUTINE_LOAD_JOBS:
        return SchemaRoutineLoadJobScanner::create_unique();
    case TSchemaTableType::SCH_LOAD_JOBS:
        return SchemaLoadJobScanner::create_unique();
    case TSchemaTableType::SCH_BACKEND_TABLETS:
        return SchemaTabletsScanner::create_unique();
    case TSchemaTableType::SCH_VIEW_DEPENDENCY:
        return SchemaViewDependencyScanner::create_unique();
    case TSchemaTableType::SCH_SQL_BLOCK_RULE_STATUS:
        return SchemaSqlBlockRuleStatusScanner::create_unique();
    case TSchemaTableType::SCH_ENCRYPTION_KEYS:
        return SchemaEncryptionKeysScanner::create_unique();
    case TSchemaTableType::SCH_CLUSTER_SNAPSHOTS:
        return SchemaClusterSnapshotsScanner::create_unique();
    case TSchemaTableType::SCH_CLUSTER_SNAPSHOT_PROPERTIES:
        return SchemaClusterSnapshotPropertiesScanner::create_unique();
    case TSchemaTableType::SCH_COLUMN_DATA_SIZES:
        return SchemaColumnDataSizesScanner::create_unique();
    case TSchemaTableType::SCH_FILE_CACHE_INFO:
        return SchemaFileCacheInfoScanner::create_unique();
    default:
        return SchemaDummyScanner::create_unique();
        break;
    }
}

void SchemaScanner::_init_block(Block* src_block) {
    const std::vector<SchemaScanner::ColumnDesc>& columns_desc(get_column_desc());
    for (int i = 0; i < columns_desc.size(); ++i) {
        auto data_type = DataTypeFactory::instance().create_data_type(columns_desc[i].type, true);
        src_block->insert(
                ColumnWithTypeAndName(data_type->create_column(), data_type, columns_desc[i].name));
    }
}

Status SchemaScanner::fill_dest_column_for_range(Block* block, size_t pos,
                                                 const std::vector<void*>& datas) {
    const ColumnDesc& col_desc = _columns[pos];
    MutableColumnPtr column_ptr;
    column_ptr = std::move(*block->get_by_position(pos).column).assume_mutable();
    IColumn* col_ptr = column_ptr.get();

    auto* nullable_column = reinterpret_cast<ColumnNullable*>(col_ptr);

    // Resize in advance to improve insertion efficiency.
    size_t fill_num = datas.size();
    col_ptr = &nullable_column->get_nested_column();
    for (int i = 0; i < fill_num; ++i) {
        auto* data = datas[i];
        if (data == nullptr) {
            // For nested column need not insert default.
            nullable_column->insert_data(nullptr, 0);
            continue;
        } else {
            nullable_column->push_false_to_nullmap(1);
        }
        switch (col_desc.type) {
        case TYPE_HLL: {
            auto* hll_slot = reinterpret_cast<HyperLogLog*>(data);
            assert_cast<ColumnHLL*>(col_ptr)->get_data().emplace_back(*hll_slot);
            break;
        }
        case TYPE_VARCHAR:
        case TYPE_CHAR:
        case TYPE_STRING: {
            auto* str_slot = reinterpret_cast<StringRef*>(data);
            assert_cast<ColumnString*>(col_ptr)->insert_data(str_slot->data, str_slot->size);
            break;
        }

        case TYPE_BOOLEAN: {
            uint8_t num = *reinterpret_cast<bool*>(data);
            assert_cast<ColumnBool*>(col_ptr)->insert_value(num);
            break;
        }

        case TYPE_TINYINT: {
            int8_t num = *reinterpret_cast<int8_t*>(data);
            assert_cast<ColumnInt8*>(col_ptr)->insert_value(num);
            break;
        }

        case TYPE_SMALLINT: {
            int16_t num = *reinterpret_cast<int16_t*>(data);
            assert_cast<ColumnInt16*>(col_ptr)->insert_value(num);
            break;
        }

        case TYPE_INT: {
            int32_t num = *reinterpret_cast<int32_t*>(data);
            assert_cast<ColumnInt32*>(col_ptr)->insert_value(num);
            break;
        }

        case TYPE_BIGINT: {
            int64_t num = *reinterpret_cast<int64_t*>(data);
            assert_cast<ColumnInt64*>(col_ptr)->insert_value(num);
            break;
        }

        case TYPE_LARGEINT: {
            __int128 num;
            memcpy(&num, data, sizeof(__int128));
            assert_cast<ColumnInt128*>(col_ptr)->insert_value(num);
            break;
        }

        case TYPE_FLOAT: {
            float num = *reinterpret_cast<float*>(data);
            assert_cast<ColumnFloat32*>(col_ptr)->insert_value(num);
            break;
        }

        case TYPE_DOUBLE: {
            double num = *reinterpret_cast<double*>(data);
            assert_cast<ColumnFloat64*>(col_ptr)->insert_value(num);
            break;
        }

        case TYPE_DATE: {
            assert_cast<ColumnDate*>(col_ptr)->insert_data(reinterpret_cast<char*>(data), 0);
            break;
        }

        case TYPE_DATEV2: {
            assert_cast<ColumnDateV2*>(col_ptr)->insert_value(
                    *reinterpret_cast<DateV2Value<DateV2ValueType>*>(data));
            break;
        }

        case TYPE_DATETIME: {
            assert_cast<ColumnDateTime*>(col_ptr)->insert_data(reinterpret_cast<char*>(data), 0);
            break;
        }

        case TYPE_DATETIMEV2: {
            assert_cast<ColumnDateTimeV2*>(col_ptr)->insert_value(
                    *reinterpret_cast<DateV2Value<DateTimeV2ValueType>*>(data));
            break;
        }

        case TYPE_TIMESTAMPTZ: {
            assert_cast<ColumnTimeStampTz*>(col_ptr)->insert_value(
                    *reinterpret_cast<TimestampTzValue*>(data));
            break;
        }

        case TYPE_DECIMALV2: {
            const Int128 num = (reinterpret_cast<PackedInt128*>(data))->value;
            assert_cast<ColumnDecimal128V2*>(col_ptr)->insert_data(
                    reinterpret_cast<const char*>(&num), 0);
            break;
        }
        case TYPE_DECIMAL128I: {
            const Int128 num = (reinterpret_cast<PackedInt128*>(data))->value;
            assert_cast<ColumnDecimal128V3*>(col_ptr)->insert_data(
                    reinterpret_cast<const char*>(&num), 0);
            break;
        }

        case TYPE_DECIMAL32: {
            const int32_t num = *reinterpret_cast<int32_t*>(data);
            assert_cast<ColumnDecimal32*>(col_ptr)->insert_data(reinterpret_cast<const char*>(&num),
                                                                0);
            break;
        }

        case TYPE_DECIMAL64: {
            const int64_t num = *reinterpret_cast<int64_t*>(data);
            assert_cast<ColumnDecimal64*>(col_ptr)->insert_data(reinterpret_cast<const char*>(&num),
                                                                0);
            break;
        }

        default: {
            DCHECK(false) << "bad slot type: " << col_desc.type;
            std::stringstream ss;
            ss << "Fail to convert schema type:'" << col_desc.type << " on column:`"
               << std::string(col_desc.name) + "`";
            return Status::InternalError(ss.str());
        }
        }
    }
    return Status::OK();
}

std::string SchemaScanner::get_db_from_full_name(const std::string& full_name) {
    std::vector<std::string> part = split(full_name, ".");
    if (part.size() == 2) {
        return part[1];
    }
    return full_name;
}

Status SchemaScanner::insert_block_column(TCell cell, int col_index, Block* block,
                                          PrimitiveType type) {
    MutableColumnPtr mutable_col_ptr;
    mutable_col_ptr = std::move(*block->get_by_position(col_index).column).assume_mutable();
    auto* nullable_column = reinterpret_cast<ColumnNullable*>(mutable_col_ptr.get());
    IColumn* col_ptr = &nullable_column->get_nested_column();

    switch (type) {
    case TYPE_BIGINT: {
        reinterpret_cast<ColumnInt64*>(col_ptr)->insert_value(cell.longVal);
        break;
    }

    case TYPE_INT: {
        reinterpret_cast<ColumnInt32*>(col_ptr)->insert_value(cell.intVal);
        break;
    }

    case TYPE_BOOLEAN: {
        reinterpret_cast<ColumnUInt8*>(col_ptr)->insert_value(cell.boolVal);
        break;
    }

    case TYPE_STRING:
    case TYPE_VARCHAR:
    case TYPE_CHAR: {
        reinterpret_cast<ColumnString*>(col_ptr)->insert_data(cell.stringVal.data(),
                                                              cell.stringVal.size());
        break;
    }

    case TYPE_DATETIME: {
        std::vector<void*> datas(1);
        VecDateTimeValue src[1];
        src[0].from_date_str(cell.stringVal.data(), cell.stringVal.size());
        datas[0] = src;
        auto data = datas[0];
        reinterpret_cast<ColumnDateTime*>(col_ptr)->insert_data(reinterpret_cast<char*>(data), 0);
        break;
    }
    default: {
        std::stringstream ss;
        ss << "unsupported column type:" << type;
        return Status::InternalError(ss.str());
    }
    }
    nullable_column->push_false_to_nullmap(1);
    return Status::OK();
}

} // namespace doris

Coverage Report

Created: 2026-03-13 09:58

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_scanner.h"
19
20		#include <gen_cpp/Descriptors_types.h>
21		#include <gen_cpp/Types_types.h>
22		#include <glog/logging.h>
23		#include <string.h>
24
25		#include <new>
26		#include <ostream>
27		#include <utility>
28
29		#include "core/block/block.h"
30		#include "core/block/column_with_type_and_name.h"
31		#include "core/column/column.h"
32		#include "core/column/column_complex.h"
33		#include "core/column/column_nullable.h"
34		#include "core/column/column_string.h"
35		#include "core/column/column_vector.h"
36		#include "core/data_type/data_type.h"
37		#include "core/data_type/data_type_factory.hpp"
38		#include "core/data_type/define_primitive_type.h"
39		#include "core/data_type/primitive_type.h"
40		#include "core/packed_int128.h"
41		#include "core/string_ref.h"
42		#include "core/types.h"
43		#include "core/value/hll.h"
44		#include "exec/pipeline/dependency.h"
45		#include "information_schema/schema_active_queries_scanner.h"
46		#include "information_schema/schema_backend_active_tasks.h"
47		#include "information_schema/schema_backend_configuration_scanner.h"
48		#include "information_schema/schema_backend_kerberos_ticket_cache.h"
49		#include "information_schema/schema_catalog_meta_cache_stats_scanner.h"
50		#include "information_schema/schema_charsets_scanner.h"
51		#include "information_schema/schema_cluster_snapshot_properties_scanner.h"
52		#include "information_schema/schema_cluster_snapshots_scanner.h"
53		#include "information_schema/schema_collations_scanner.h"
54		#include "information_schema/schema_column_data_sizes_scanner.h"
55		#include "information_schema/schema_columns_scanner.h"
56		#include "information_schema/schema_database_properties_scanner.h"
57		#include "information_schema/schema_dummy_scanner.h"
58		#include "information_schema/schema_encryption_keys_scanner.h"
59		#include "information_schema/schema_file_cache_info_scanner.h"
60		#include "information_schema/schema_file_cache_statistics.h"
61		#include "information_schema/schema_files_scanner.h"
62		#include "information_schema/schema_load_job_scanner.h"
63		#include "information_schema/schema_metadata_name_ids_scanner.h"
64		#include "information_schema/schema_partitions_scanner.h"
65		#include "information_schema/schema_processlist_scanner.h"
66		#include "information_schema/schema_profiling_scanner.h"
67		#include "information_schema/schema_routine_load_job_scanner.h"
68		#include "information_schema/schema_rowsets_scanner.h"
69		#include "information_schema/schema_schema_privileges_scanner.h"
70		#include "information_schema/schema_schemata_scanner.h"
71		#include "information_schema/schema_sql_block_rule_status_scanner.h"
72		#include "information_schema/schema_table_options_scanner.h"
73		#include "information_schema/schema_table_privileges_scanner.h"
74		#include "information_schema/schema_table_properties_scanner.h"
75		#include "information_schema/schema_tables_scanner.h"
76		#include "information_schema/schema_tablets_scanner.h"
77		#include "information_schema/schema_user_privileges_scanner.h"
78		#include "information_schema/schema_user_scanner.h"
79		#include "information_schema/schema_variables_scanner.h"
80		#include "information_schema/schema_view_dependency_scanner.h"
81		#include "information_schema/schema_views_scanner.h"
82		#include "information_schema/schema_workload_group_privileges.h"
83		#include "information_schema/schema_workload_group_resource_usage_scanner.h"
84		#include "information_schema/schema_workload_groups_scanner.h"
85		#include "information_schema/schema_workload_sched_policy_scanner.h"
86		#include "runtime/fragment_mgr.h"
87		#include "util/string_util.h"
88
89		namespace doris {
90		class ObjectPool;
91
92		SchemaScanner::SchemaScanner(const std::vector<ColumnDesc>& columns, TSchemaTableType::type type)
93	4.59k	: _is_init(false), _columns(columns), _schema_table_type(type) {}
94
95	4.59k	SchemaScanner::~SchemaScanner() = default;
96
97	6	Status SchemaScanner::start(RuntimeState* state) {
98	6	if (!_is_init) {
99	0	return Status::InternalError("call Start before Init.");
100	0	}
101
102	6	return Status::OK();
103	6	}
104
105	12.1k	Status SchemaScanner::get_next_block(RuntimeState* state, Block* block, bool* eos) {
106	12.1k	if (_data_block == nullptr) {
107	0	return Status::InternalError("No data left!");
108	0	}
109	12.1k	DCHECK(_async_thread_running == false);
110	12.1k	RETURN_IF_ERROR(_scanner_status.status());
111	208k	for (size_t i = 0; i < block->columns(); i++) {
112	196k	std::move(*block->get_by_position(i).column)
113	196k	.mutate()
114	196k	->insert_range_from(*_data_block->get_by_position(i).column, 0,
115	196k	_data_block->rows());
116	196k	}
117	12.1k	_data_block->clear_column_data();
118	12.1k	*eos = _eos;
119	12.1k	if (!*eos) {
120	9.89k	RETURN_IF_ERROR(get_next_block_async(state));
121	9.89k	}
122	12.1k	return Status::OK();
123	12.1k	}
124
125	12.1k	Status SchemaScanner::get_next_block_async(RuntimeState* state) {
126	12.1k	_dependency->block();
127	12.1k	auto task_ctx = state->get_task_execution_context();
128	12.1k	RETURN_IF_ERROR(ExecEnv::GetInstance()->fragment_mgr()->get_thread_pool()->submit_func(
129	12.1k	[this, task_ctx, state]() {
130	12.1k	auto task_lock = task_ctx.lock();
131	12.1k	if (task_lock == nullptr) {
132	12.1k	return;
133	12.1k	}
134	12.1k	DCHECK(_async_thread_running == false);
135	12.1k	SCOPED_ATTACH_TASK(state);
136	12.1k	_async_thread_running = true;
137	12.1k	if (!_opened) {
138	12.1k	_data_block = Block::create_unique();
139	12.1k	_init_block(_data_block.get());
140	12.1k	_scanner_status.update(start(state));
141	12.1k	_opened = true;
142	12.1k	}
143	12.1k	bool eos = false;
144	12.1k	auto call_next_block_internal = [&]() -> Status {
145	12.1k	RETURN_IF_CATCH_EXCEPTION(
146	12.1k	{ return get_next_block_internal(_data_block.get(), &eos); });
147	12.1k	};
148	12.1k	_scanner_status.update(call_next_block_internal());
149	12.1k	_eos = eos;
150	12.1k	_async_thread_running = false;
151	12.1k	_dependency->set_ready();
152	12.1k	}));
153	12.1k	return Status::OK();
154	12.1k	}
155
156	2.29k	Status SchemaScanner::init(RuntimeState* state, SchemaScannerParam* param, ObjectPool* pool) {
157	2.29k	if (_is_init) {
158	0	return Status::OK();
159	0	}
160	2.29k	if (nullptr == param \|\| nullptr == pool) {
161	0	return Status::InternalError("invalid parameter");
162	0	}
163
164	2.29k	_param = param;
165	2.29k	_timezone = state->timezone();
166	2.29k	_timezone_obj = state->timezone_obj();
167	2.29k	_is_init = true;
168
169	2.29k	if (_param->profile) {
170	2.29k	_get_db_timer = ADD_TIMER(_param->profile, "GetDbTime");
171	2.29k	_get_table_timer = ADD_TIMER(_param->profile, "GetTableTime");
172	2.29k	_get_describe_timer = ADD_TIMER(_param->profile, "GetDescribeTime");
173	2.29k	_fill_block_timer = ADD_TIMER(_param->profile, "FillBlockTime");
174	2.29k	}
175
176	2.29k	return Status::OK();
177	2.29k	}
178
179	4.59k	std::unique_ptr<SchemaScanner> SchemaScanner::create(TSchemaTableType::type type) {
180	4.59k	switch (type) {
181	812	case TSchemaTableType::SCH_TABLES:
182	812	return SchemaTablesScanner::create_unique();
183	54	case TSchemaTableType::SCH_SCHEMATA:
184	54	return SchemaSchemataScanner::create_unique();
185	162	case TSchemaTableType::SCH_COLUMNS:
186	162	return SchemaColumnsScanner::create_unique();
187	6	case TSchemaTableType::SCH_CHARSETS:
188	6	return SchemaCharsetsScanner::create_unique();
189	6	case TSchemaTableType::SCH_COLLATIONS:
190	6	return SchemaCollationsScanner::create_unique();
191	6	case TSchemaTableType::SCH_GLOBAL_VARIABLES:
192	6	return SchemaVariablesScanner::create_unique(TVarType::GLOBAL);
193	72	case TSchemaTableType::SCH_SESSION_VARIABLES:
194	72	case TSchemaTableType::SCH_VARIABLES:
195	72	return SchemaVariablesScanner::create_unique(TVarType::SESSION);
196	16	case TSchemaTableType::SCH_VIEWS:
197	16	return SchemaViewsScanner::create_unique();
198	12	case TSchemaTableType::SCH_TABLE_PRIVILEGES:
199	12	return SchemaTablePrivilegesScanner::create_unique();
200	8	case TSchemaTableType::SCH_SCHEMA_PRIVILEGES:
201	8	return SchemaSchemaPrivilegesScanner::create_unique();
202	6	case TSchemaTableType::SCH_USER_PRIVILEGES:
203	6	return SchemaUserPrivilegesScanner::create_unique();
204	4	case TSchemaTableType::SCH_FILES:
205	4	return SchemaFilesScanner::create_unique();
206	42	case TSchemaTableType::SCH_PARTITIONS:
207	42	return SchemaPartitionsScanner::create_unique();
208	2	case TSchemaTableType::SCH_BACKEND_CONFIGURATION:
209	2	return SchemaBackendConfigurationScanner::create_unique();
210	18	case TSchemaTableType::SCH_ROWSETS:
211	18	return SchemaRowsetsScanner::create_unique();
212	14	case TSchemaTableType::SCH_METADATA_NAME_IDS:
213	14	return SchemaMetadataNameIdsScanner::create_unique();
214	4	case TSchemaTableType::SCH_PROFILING:
215	4	return SchemaProfilingScanner::create_unique();
216	1.21k	case TSchemaTableType::SCH_BACKEND_ACTIVE_TASKS:
217	1.21k	return SchemaBackendActiveTasksScanner::create_unique();
218	1.22k	case TSchemaTableType::SCH_ACTIVE_QUERIES:
219	1.22k	return SchemaActiveQueriesScanner::create_unique();
220	52	case TSchemaTableType::SCH_WORKLOAD_GROUPS:
221	52	return SchemaWorkloadGroupsScanner::create_unique();
222	20	case TSchemaTableType::SCH_PROCESSLIST:
223	20	return SchemaProcessListScanner::create_unique();
224	2	case TSchemaTableType::SCH_USER:
225	2	return SchemaUserScanner::create_unique();
226	16	case TSchemaTableType::SCH_WORKLOAD_POLICY:
227	16	return SchemaWorkloadSchedulePolicyScanner::create_unique();
228	12	case TSchemaTableType::SCH_TABLE_OPTIONS:
229	12	return SchemaTableOptionsScanner::create_unique();
230	26	case TSchemaTableType::SCH_WORKLOAD_GROUP_PRIVILEGES:
231	26	return SchemaWorkloadGroupPrivilegesScanner::create_unique();
232	6	case TSchemaTableType::SCH_WORKLOAD_GROUP_RESOURCE_USAGE:
233	6	return SchemaBackendWorkloadGroupResourceUsage::create_unique();
234	16	case TSchemaTableType::SCH_TABLE_PROPERTIES:
235	16	return SchemaTablePropertiesScanner::create_unique();
236	12	case TSchemaTableType::SCH_DATABASE_PROPERTIES:
237	12	return SchemaDatabasePropertiesScanner::create_unique();
238	66	case TSchemaTableType::SCH_FILE_CACHE_STATISTICS:
239	66	return SchemaFileCacheStatisticsScanner::create_unique();
240	26	case TSchemaTableType::SCH_CATALOG_META_CACHE_STATISTICS:
241	26	return SchemaCatalogMetaCacheStatsScanner::create_unique();
242	2	case TSchemaTableType::SCH_BACKEND_KERBEROS_TICKET_CACHE:
243	2	return SchemaBackendKerberosTicketCacheScanner::create_unique();
244	6	case TSchemaTableType::SCH_ROUTINE_LOAD_JOBS:
245	6	return SchemaRoutineLoadJobScanner::create_unique();
246	4	case TSchemaTableType::SCH_LOAD_JOBS:
247	4	return SchemaLoadJobScanner::create_unique();
248	2	case TSchemaTableType::SCH_BACKEND_TABLETS:
249	2	return SchemaTabletsScanner::create_unique();
250	16	case TSchemaTableType::SCH_VIEW_DEPENDENCY:
251	16	return SchemaViewDependencyScanner::create_unique();
252	6	case TSchemaTableType::SCH_SQL_BLOCK_RULE_STATUS:
253	6	return SchemaSqlBlockRuleStatusScanner::create_unique();
254	0	case TSchemaTableType::SCH_ENCRYPTION_KEYS:
255	0	return SchemaEncryptionKeysScanner::create_unique();
256	4	case TSchemaTableType::SCH_CLUSTER_SNAPSHOTS:
257	4	return SchemaClusterSnapshotsScanner::create_unique();
258	2	case TSchemaTableType::SCH_CLUSTER_SNAPSHOT_PROPERTIES:
259	2	return SchemaClusterSnapshotPropertiesScanner::create_unique();
260	6	case TSchemaTableType::SCH_COLUMN_DATA_SIZES:
261	6	return SchemaColumnDataSizesScanner::create_unique();
262	2	case TSchemaTableType::SCH_FILE_CACHE_INFO:
263	2	return SchemaFileCacheInfoScanner::create_unique();
264	604	default:
265	604	return SchemaDummyScanner::create_unique();
266	0	break;
267	4.59k	}
268	4.59k	}
269
270	2.30k	void SchemaScanner::_init_block(Block* src_block) {
271	2.30k	const std::vector<SchemaScanner::ColumnDesc>& columns_desc(get_column_desc());
272	31.7k	for (int i = 0; i < columns_desc.size(); ++i) {
273	29.4k	auto data_type = DataTypeFactory::instance().create_data_type(columns_desc[i].type, true);
274	29.4k	src_block->insert(
275	29.4k	ColumnWithTypeAndName(data_type->create_column(), data_type, columns_desc[i].name));
276	29.4k	}
277	2.30k	}
278
279		Status SchemaScanner::fill_dest_column_for_range(Block* block, size_t pos,
280	91.8k	const std::vector<void*>& datas) {
281	91.8k	const ColumnDesc& col_desc = _columns[pos];
282	91.8k	MutableColumnPtr column_ptr;
283	91.8k	column_ptr = std::move(*block->get_by_position(pos).column).assume_mutable();
284	91.8k	IColumn* col_ptr = column_ptr.get();
285
286	91.8k	auto* nullable_column = reinterpret_cast<ColumnNullable*>(col_ptr);
287
288		// Resize in advance to improve insertion efficiency.
289	91.8k	size_t fill_num = datas.size();
290	91.8k	col_ptr = &nullable_column->get_nested_column();
291	6.10M	for (int i = 0; i < fill_num; ++i) {
292	6.00M	auto* data = datas[i];
293	6.00M	if (data == nullptr) {
294		// For nested column need not insert default.
295	681k	nullable_column->insert_data(nullptr, 0);
296	681k	continue;
297	5.32M	} else {
298	5.32M	nullable_column->push_false_to_nullmap(1);
299	5.32M	}
300	5.32M	switch (col_desc.type) {
301	0	case TYPE_HLL: {
302	0	auto* hll_slot = reinterpret_cast<HyperLogLog*>(data);
303	0	assert_cast<ColumnHLL>(col_ptr)->get_data().emplace_back(hll_slot);
304	0	break;
305	0	}
306	1.62M	case TYPE_VARCHAR:
307	1.62M	case TYPE_CHAR:
308	1.69M	case TYPE_STRING: {
309	1.69M	auto* str_slot = reinterpret_cast<StringRef*>(data);
310	1.69M	assert_cast<ColumnString*>(col_ptr)->insert_data(str_slot->data, str_slot->size);
311	1.69M	break;
312	1.62M	}
313
314	876	case TYPE_BOOLEAN: {
315	876	uint8_t num = reinterpret_cast<bool>(data);
316	876	assert_cast<ColumnBool*>(col_ptr)->insert_value(num);
317	876	break;
318	1.62M	}
319
320	0	case TYPE_TINYINT: {
321	0	int8_t num = reinterpret_cast<int8_t>(data);
322	0	assert_cast<ColumnInt8*>(col_ptr)->insert_value(num);
323	0	break;
324	1.62M	}
325
326	0	case TYPE_SMALLINT: {
327	0	int16_t num = reinterpret_cast<int16_t>(data);
328	0	assert_cast<ColumnInt16*>(col_ptr)->insert_value(num);
329	0	break;
330	1.62M	}
331
332	322k	case TYPE_INT: {
333	322k	int32_t num = reinterpret_cast<int32_t>(data);
334	322k	assert_cast<ColumnInt32*>(col_ptr)->insert_value(num);
335	322k	break;
336	1.62M	}
337
338	3.03M	case TYPE_BIGINT: {
339	3.03M	int64_t num = reinterpret_cast<int64_t>(data);
340	3.03M	assert_cast<ColumnInt64*>(col_ptr)->insert_value(num);
341	3.03M	break;
342	1.62M	}
343
344	300	case TYPE_LARGEINT: {
345	300	__int128 num;
346	300	memcpy(&num, data, sizeof(__int128));
347	300	assert_cast<ColumnInt128*>(col_ptr)->insert_value(num);
348	300	break;
349	1.62M	}
350
351	0	case TYPE_FLOAT: {
352	0	float num = reinterpret_cast<float>(data);
353	0	assert_cast<ColumnFloat32*>(col_ptr)->insert_value(num);
354	0	break;
355	1.62M	}
356
357	0	case TYPE_DOUBLE: {
358	0	double num = reinterpret_cast<double>(data);
359	0	assert_cast<ColumnFloat64*>(col_ptr)->insert_value(num);
360	0	break;
361	1.62M	}
362
363	0	case TYPE_DATE: {
364	0	assert_cast<ColumnDate>(col_ptr)->insert_data(reinterpret_cast<char>(data), 0);
365	0	break;
366	1.62M	}
367
368	0	case TYPE_DATEV2: {
369	0	assert_cast<ColumnDateV2*>(col_ptr)->insert_value(
370	0	reinterpret_cast<DateV2Value<DateV2ValueType>>(data));
371	0	break;
372	1.62M	}
373
374	279k	case TYPE_DATETIME: {
375	279k	assert_cast<ColumnDateTime>(col_ptr)->insert_data(reinterpret_cast<char>(data), 0);
376	279k	break;
377	1.62M	}
378
379	304	case TYPE_DATETIMEV2: {
380	304	assert_cast<ColumnDateTimeV2*>(col_ptr)->insert_value(
381	304	reinterpret_cast<DateV2Value<DateTimeV2ValueType>>(data));
382	304	break;
383	1.62M	}
384
385	0	case TYPE_TIMESTAMPTZ: {
386	0	assert_cast<ColumnTimeStampTz*>(col_ptr)->insert_value(
387	0	reinterpret_cast<TimestampTzValue>(data));
388	0	break;
389	1.62M	}
390
391	0	case TYPE_DECIMALV2: {
392	0	const Int128 num = (reinterpret_cast<PackedInt128*>(data))->value;
393	0	assert_cast<ColumnDecimal128V2*>(col_ptr)->insert_data(
394	0	reinterpret_cast<const char*>(&num), 0);
395	0	break;
396	1.62M	}
397	0	case TYPE_DECIMAL128I: {
398	0	const Int128 num = (reinterpret_cast<PackedInt128*>(data))->value;
399	0	assert_cast<ColumnDecimal128V3*>(col_ptr)->insert_data(
400	0	reinterpret_cast<const char*>(&num), 0);
401	0	break;
402	1.62M	}
403
404	0	case TYPE_DECIMAL32: {
405	0	const int32_t num = reinterpret_cast<int32_t>(data);
406	0	assert_cast<ColumnDecimal32>(col_ptr)->insert_data(reinterpret_cast<const char>(&num),
407	0	0);
408	0	break;
409	1.62M	}
410
411	0	case TYPE_DECIMAL64: {
412	0	const int64_t num = reinterpret_cast<int64_t>(data);
413	0	assert_cast<ColumnDecimal64>(col_ptr)->insert_data(reinterpret_cast<const char>(&num),
414	0	0);
415	0	break;
416	1.62M	}
417
418	0	default: {
419	0	DCHECK(false) << "bad slot type: " << col_desc.type;
420	0	std::stringstream ss;
421	0	ss << "Fail to convert schema type:'" << col_desc.type << " on column:`"
422	0	<< std::string(col_desc.name) + "`";
423	0	return Status::InternalError(ss.str());
424	1.62M	}
425	5.32M	}
426	5.32M	}
427	96.1k	return Status::OK();
428	91.8k	}
429
430	0	std::string SchemaScanner::get_db_from_full_name(const std::string& full_name) {
431	0	std::vector<std::string> part = split(full_name, ".");
432	0	if (part.size() == 2) {
433	0	return part[1];
434	0	}
435	0	return full_name;
436	0	}
437
438		Status SchemaScanner::insert_block_column(TCell cell, int col_index, Block* block,
439	1.63M	PrimitiveType type) {
440	1.63M	MutableColumnPtr mutable_col_ptr;
441	1.63M	mutable_col_ptr = std::move(*block->get_by_position(col_index).column).assume_mutable();
442	1.63M	auto* nullable_column = reinterpret_cast<ColumnNullable*>(mutable_col_ptr.get());
443	1.63M	IColumn* col_ptr = &nullable_column->get_nested_column();
444
445	1.63M	switch (type) {
446	158k	case TYPE_BIGINT: {
447	158k	reinterpret_cast<ColumnInt64*>(col_ptr)->insert_value(cell.longVal);
448	158k	break;
449	0	}
450
451	69.8k	case TYPE_INT: {
452	69.8k	reinterpret_cast<ColumnInt32*>(col_ptr)->insert_value(cell.intVal);
453	69.8k	break;
454	0	}
455
456	31	case TYPE_BOOLEAN: {
457	31	reinterpret_cast<ColumnUInt8*>(col_ptr)->insert_value(cell.boolVal);
458	31	break;
459	0	}
460
461	647k	case TYPE_STRING:
462	1.38M	case TYPE_VARCHAR:
463	1.38M	case TYPE_CHAR: {
464	1.38M	reinterpret_cast<ColumnString*>(col_ptr)->insert_data(cell.stringVal.data(),
465	1.38M	cell.stringVal.size());
466	1.38M	break;
467	1.38M	}
468
469	26.1k	case TYPE_DATETIME: {
470	26.1k	std::vector<void*> datas(1);
471	26.1k	VecDateTimeValue src[1];
472	26.1k	src[0].from_date_str(cell.stringVal.data(), cell.stringVal.size());
473	26.1k	datas[0] = src;
474	26.1k	auto data = datas[0];
475	26.1k	reinterpret_cast<ColumnDateTime>(col_ptr)->insert_data(reinterpret_cast<char>(data), 0);
476	26.1k	break;
477	1.38M	}
478	0	default: {
479	0	std::stringstream ss;
480	0	ss << "unsupported column type:" << type;
481	0	return Status::InternalError(ss.str());
482	1.38M	}
483	1.63M	}
484	1.63M	nullable_column->push_false_to_nullmap(1);
485	1.63M	return Status::OK();
486	1.63M	}
487
488		} // namespace doris