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101 lines
3.3 KiB
C++
101 lines
3.3 KiB
C++
#include <Storages/PartitionCommands.h>
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#include <Storages/IStorage.h>
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#include <Storages/MergeTree/PartDestinationType.h>
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#include <Parsers/ASTAlterQuery.h>
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#include <Parsers/ASTIdentifier.h>
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namespace DB
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{
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std::optional<PartitionCommand> PartitionCommand::parse(const ASTAlterCommand * command_ast)
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{
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if (command_ast->type == ASTAlterCommand::DROP_PARTITION)
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{
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PartitionCommand res;
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res.type = DROP_PARTITION;
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res.partition = command_ast->partition;
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res.detach = command_ast->detach;
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return res;
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}
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else if (command_ast->type == ASTAlterCommand::DROP_DETACHED_PARTITION)
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{
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PartitionCommand res;
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res.type = DROP_DETACHED_PARTITION;
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res.partition = command_ast->partition;
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res.part = command_ast->part;
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return res;
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}
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else if (command_ast->type == ASTAlterCommand::ATTACH_PARTITION)
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{
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PartitionCommand res;
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res.type = ATTACH_PARTITION;
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res.partition = command_ast->partition;
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res.part = command_ast->part;
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return res;
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}
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else if (command_ast->type == ASTAlterCommand::MOVE_PARTITION)
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{
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PartitionCommand res;
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res.type = MOVE_PARTITION;
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res.partition = command_ast->partition;
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res.part = command_ast->part;
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switch (command_ast->move_destination_type)
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{
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case PartDestinationType::DISK:
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res.move_destination_type = PartitionCommand::MoveDestinationType::DISK;
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break;
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case PartDestinationType::VOLUME:
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res.move_destination_type = PartitionCommand::MoveDestinationType::VOLUME;
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break;
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case PartDestinationType::TABLE:
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res.move_destination_type = PartitionCommand::MoveDestinationType::TABLE;
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res.to_database = command_ast->to_database;
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res.to_table = command_ast->to_table;
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break;
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default:
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break;
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}
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if (res.move_destination_type != PartitionCommand::MoveDestinationType::TABLE)
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res.move_destination_name = command_ast->move_destination_name;
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return res;
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}
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else if (command_ast->type == ASTAlterCommand::REPLACE_PARTITION)
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{
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PartitionCommand res;
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res.type = REPLACE_PARTITION;
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res.partition = command_ast->partition;
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res.replace = command_ast->replace;
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res.from_database = command_ast->from_database;
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res.from_table = command_ast->from_table;
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return res;
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}
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else if (command_ast->type == ASTAlterCommand::FETCH_PARTITION)
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{
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PartitionCommand res;
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res.type = FETCH_PARTITION;
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res.partition = command_ast->partition;
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res.from_zookeeper_path = command_ast->from;
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return res;
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}
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else if (command_ast->type == ASTAlterCommand::FREEZE_PARTITION)
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{
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PartitionCommand res;
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res.type = FREEZE_PARTITION;
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res.partition = command_ast->partition;
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res.with_name = command_ast->with_name;
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return res;
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}
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else if (command_ast->type == ASTAlterCommand::FREEZE_ALL)
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{
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PartitionCommand command;
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command.type = PartitionCommand::FREEZE_ALL_PARTITIONS;
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command.with_name = command_ast->with_name;
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return command;
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}
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else
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return {};
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}
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}
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