mirror of
https://github.com/ClickHouse/ClickHouse.git
synced 2024-12-11 00:42:29 +00:00
1942 lines
72 KiB
C++
1942 lines
72 KiB
C++
#include "TestHint.h"
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#include "ConnectionParameters.h"
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#include "Suggest.h"
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#if USE_REPLXX
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# include <common/ReplxxLineReader.h>
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#elif defined(USE_READLINE) && USE_READLINE
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# include <common/ReadlineLineReader.h>
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#else
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# include <common/LineReader.h>
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#endif
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#include <stdlib.h>
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#include <fcntl.h>
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#include <signal.h>
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#include <map>
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#include <iostream>
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#include <fstream>
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#include <iomanip>
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#include <unordered_set>
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#include <algorithm>
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#include <optional>
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#include <ext/scope_guard.h>
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#include <boost/program_options.hpp>
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#include <boost/algorithm/string/replace.hpp>
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#include <Poco/String.h>
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#include <Poco/File.h>
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#include <Poco/Util/Application.h>
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#include <common/find_symbols.h>
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#include <common/LineReader.h>
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#include <Common/ClickHouseRevision.h>
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#include <Common/Stopwatch.h>
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#include <Common/Exception.h>
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#include <Common/ShellCommand.h>
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#include <Common/UnicodeBar.h>
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#include <Common/formatReadable.h>
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#include <Common/NetException.h>
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#include <Common/Throttler.h>
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#include <Common/StringUtils/StringUtils.h>
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#include <Common/typeid_cast.h>
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#include <Common/Config/ConfigProcessor.h>
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#include <Core/Types.h>
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#include <Core/QueryProcessingStage.h>
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#include <Core/ExternalTable.h>
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#include <IO/ReadBufferFromFileDescriptor.h>
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#include <IO/WriteBufferFromFileDescriptor.h>
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#include <IO/WriteBufferFromFile.h>
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#include <IO/ReadBufferFromMemory.h>
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#include <IO/ReadBufferFromString.h>
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#include <IO/ReadHelpers.h>
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#include <IO/WriteHelpers.h>
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#include <IO/Operators.h>
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#include <IO/UseSSL.h>
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#include <DataStreams/AsynchronousBlockInputStream.h>
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#include <DataStreams/AddingDefaultsBlockInputStream.h>
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#include <DataStreams/InternalTextLogsRowOutputStream.h>
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#include <Parsers/ParserQuery.h>
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#include <Parsers/ASTSetQuery.h>
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#include <Parsers/ASTUseQuery.h>
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#include <Parsers/ASTInsertQuery.h>
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#include <Parsers/ASTSelectWithUnionQuery.h>
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#include <Parsers/ASTQueryWithOutput.h>
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#include <Parsers/ASTLiteral.h>
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#include <Parsers/ASTIdentifier.h>
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#include <Parsers/formatAST.h>
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#include <Parsers/parseQuery.h>
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#include <Interpreters/Context.h>
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#include <Interpreters/InterpreterSetQuery.h>
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#include <Interpreters/ReplaceQueryParameterVisitor.h>
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#include <Client/Connection.h>
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#include <Common/InterruptListener.h>
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#include <Functions/registerFunctions.h>
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#include <AggregateFunctions/registerAggregateFunctions.h>
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#include <Common/Config/configReadClient.h>
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#include <Storages/ColumnsDescription.h>
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#include <common/argsToConfig.h>
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#include <Common/TerminalSize.h>
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#if !defined(ARCADIA_BUILD)
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# include <Common/config_version.h>
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#endif
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#ifndef __clang__
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#pragma GCC optimize("-fno-var-tracking-assignments")
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#endif
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/// http://en.wikipedia.org/wiki/ANSI_escape_code
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#define CLEAR_TO_END_OF_LINE "\033[K"
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namespace DB
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{
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namespace ErrorCodes
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{
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extern const int NETWORK_ERROR;
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extern const int NO_DATA_TO_INSERT;
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extern const int BAD_ARGUMENTS;
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extern const int UNKNOWN_PACKET_FROM_SERVER;
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extern const int UNEXPECTED_PACKET_FROM_SERVER;
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extern const int CLIENT_OUTPUT_FORMAT_SPECIFIED;
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extern const int INVALID_USAGE_OF_INPUT;
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extern const int DEADLOCK_AVOIDED;
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}
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class Client : public Poco::Util::Application
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{
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public:
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Client() = default;
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private:
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using StringSet = std::unordered_set<String>;
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StringSet exit_strings
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{
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"exit", "quit", "logout",
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"учше", "йгше", "дщпщге",
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"exit;", "quit;", "logout;",
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"учшеж", "йгшеж", "дщпщгеж",
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"q", "й", "\\q", "\\Q", "\\й", "\\Й", ":q", "Жй"
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};
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bool is_interactive = true; /// Use either interactive line editing interface or batch mode.
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bool need_render_progress = true; /// Render query execution progress.
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bool send_logs = false; /// send_logs_level passed, do not use previous cursor position, to avoid overlaps with logs
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bool echo_queries = false; /// Print queries before execution in batch mode.
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bool ignore_error = false; /// In case of errors, don't print error message, continue to next query. Only applicable for non-interactive mode.
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bool print_time_to_stderr = false; /// Output execution time to stderr in batch mode.
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bool stdin_is_a_tty = false; /// stdin is a terminal.
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bool stdout_is_a_tty = false; /// stdout is a terminal.
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std::unique_ptr<Connection> connection; /// Connection to DB.
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String query_id; /// Current query_id.
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String query; /// Current query.
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String format; /// Query results output format.
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bool is_default_format = true; /// false, if format is set in the config or command line.
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size_t format_max_block_size = 0; /// Max block size for console output.
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String insert_format; /// Format of INSERT data that is read from stdin in batch mode.
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size_t insert_format_max_block_size = 0; /// Max block size when reading INSERT data.
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size_t max_client_network_bandwidth = 0; /// The maximum speed of data exchange over the network for the client in bytes per second.
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bool has_vertical_output_suffix = false; /// Is \G present at the end of the query string?
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SharedContextHolder shared_context = Context::createShared();
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Context context = Context::createGlobal(shared_context.get());
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/// Buffer that reads from stdin in batch mode.
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ReadBufferFromFileDescriptor std_in {STDIN_FILENO};
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/// Console output.
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WriteBufferFromFileDescriptor std_out {STDOUT_FILENO};
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std::unique_ptr<ShellCommand> pager_cmd;
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/// The user can specify to redirect query output to a file.
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std::optional<WriteBufferFromFile> out_file_buf;
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BlockOutputStreamPtr block_out_stream;
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/// The user could specify special file for server logs (stderr by default)
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std::unique_ptr<WriteBuffer> out_logs_buf;
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String server_logs_file;
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BlockOutputStreamPtr logs_out_stream;
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String home_path;
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String current_profile;
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String prompt_by_server_display_name;
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/// Path to a file containing command history.
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String history_file;
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/// How many rows have been read or written.
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size_t processed_rows = 0;
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/// Parsed query. Is used to determine some settings (e.g. format, output file).
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ASTPtr parsed_query;
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/// The last exception that was received from the server. Is used for the return code in batch mode.
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std::unique_ptr<Exception> last_exception;
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/// If the last query resulted in exception.
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bool got_exception = false;
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int expected_server_error = 0;
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int expected_client_error = 0;
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int actual_server_error = 0;
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int actual_client_error = 0;
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UInt64 server_revision = 0;
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String server_version;
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String server_display_name;
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Stopwatch watch;
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/// The server periodically sends information about how much data was read since last time.
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Progress progress;
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bool show_progress_bar = false;
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size_t written_progress_chars = 0;
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bool written_first_block = false;
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/// External tables info.
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std::list<ExternalTable> external_tables;
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/// Dictionary with query parameters for prepared statements.
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NameToNameMap query_parameters;
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ConnectionParameters connection_parameters;
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void initialize(Poco::Util::Application & self) override
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{
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Poco::Util::Application::initialize(self);
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const char * home_path_cstr = getenv("HOME");
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if (home_path_cstr)
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home_path = home_path_cstr;
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configReadClient(config(), home_path);
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context.setApplicationType(Context::ApplicationType::CLIENT);
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context.setQueryParameters(query_parameters);
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/// settings and limits could be specified in config file, but passed settings has higher priority
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for (const auto & setting : context.getSettingsRef())
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{
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const String & name = setting.getName().toString();
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if (config().has(name) && !setting.isChanged())
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context.setSetting(name, config().getString(name));
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}
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/// Set path for format schema files
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if (config().has("format_schema_path"))
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context.setFormatSchemaPath(Poco::Path(config().getString("format_schema_path")).toString());
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}
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int main(const std::vector<std::string> & /*args*/) override
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{
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try
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{
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return mainImpl();
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}
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catch (const Exception & e)
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{
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bool print_stack_trace = config().getBool("stacktrace", false);
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std::string text = e.displayText();
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/** If exception is received from server, then stack trace is embedded in message.
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* If exception is thrown on client, then stack trace is in separate field.
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*/
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auto embedded_stack_trace_pos = text.find("Stack trace");
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if (std::string::npos != embedded_stack_trace_pos && !print_stack_trace)
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text.resize(embedded_stack_trace_pos);
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std::cerr << "Code: " << e.code() << ". " << text << std::endl << std::endl;
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/// Don't print the stack trace on the client if it was logged on the server.
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/// Also don't print the stack trace in case of network errors.
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if (print_stack_trace
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&& e.code() != ErrorCodes::NETWORK_ERROR
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&& std::string::npos == embedded_stack_trace_pos)
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{
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std::cerr << "Stack trace:" << std::endl
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<< e.getStackTraceString();
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}
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/// If exception code isn't zero, we should return non-zero return code anyway.
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return e.code() ? e.code() : -1;
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}
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catch (...)
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{
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std::cerr << getCurrentExceptionMessage(false) << std::endl;
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return getCurrentExceptionCode();
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}
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}
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/// Should we celebrate a bit?
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static bool isNewYearMode()
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{
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time_t current_time = time(nullptr);
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/// It's bad to be intrusive.
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if (current_time % 3 != 0)
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return false;
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LocalDate now(current_time);
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return (now.month() == 12 && now.day() >= 20)
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|| (now.month() == 1 && now.day() <= 5);
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}
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static bool isChineseNewYearMode(const String & local_tz)
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{
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/// Days of Dec. 20 in Chinese calendar starting from year 2019 to year 2105
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static constexpr UInt16 chineseNewYearIndicators[]
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= {18275, 18659, 19014, 19368, 19752, 20107, 20491, 20845, 21199, 21583, 21937, 22292, 22676, 23030, 23414, 23768, 24122, 24506,
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24860, 25215, 25599, 25954, 26308, 26692, 27046, 27430, 27784, 28138, 28522, 28877, 29232, 29616, 29970, 30354, 30708, 31062,
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31446, 31800, 32155, 32539, 32894, 33248, 33632, 33986, 34369, 34724, 35078, 35462, 35817, 36171, 36555, 36909, 37293, 37647,
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38002, 38386, 38740, 39095, 39479, 39833, 40187, 40571, 40925, 41309, 41664, 42018, 42402, 42757, 43111, 43495, 43849, 44233,
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44587, 44942, 45326, 45680, 46035, 46418, 46772, 47126, 47510, 47865, 48249, 48604, 48958, 49342};
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/// All time zone names are acquired from https://www.iana.org/time-zones
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static constexpr const char * chineseNewYearTimeZoneIndicators[] = {
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/// Time zones celebrating Chinese new year.
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"Asia/Shanghai",
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"Asia/Chongqing",
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"Asia/Harbin",
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"Asia/Urumqi",
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"Asia/Hong_Kong",
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"Asia/Chungking",
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"Asia/Macao",
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"Asia/Macau",
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"Asia/Taipei",
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"Asia/Singapore",
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/// Time zones celebrating Chinese new year but with different festival names. Let's not print the message for now.
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// "Asia/Brunei",
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// "Asia/Ho_Chi_Minh",
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// "Asia/Hovd",
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// "Asia/Jakarta",
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// "Asia/Jayapura",
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// "Asia/Kashgar",
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// "Asia/Kuala_Lumpur",
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// "Asia/Kuching",
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// "Asia/Makassar",
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// "Asia/Pontianak",
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// "Asia/Pyongyang",
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// "Asia/Saigon",
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// "Asia/Seoul",
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// "Asia/Ujung_Pandang",
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// "Asia/Ulaanbaatar",
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// "Asia/Ulan_Bator",
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};
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static constexpr size_t M = sizeof(chineseNewYearTimeZoneIndicators) / sizeof(chineseNewYearTimeZoneIndicators[0]);
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time_t current_time = time(nullptr);
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if (chineseNewYearTimeZoneIndicators + M
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== std::find_if(chineseNewYearTimeZoneIndicators, chineseNewYearTimeZoneIndicators + M, [&local_tz](const char * tz)
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{
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return tz == local_tz;
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}))
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return false;
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/// It's bad to be intrusive.
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if (current_time % 3 != 0)
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return false;
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auto days = DateLUT::instance().toDayNum(current_time).toUnderType();
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for (auto d : chineseNewYearIndicators)
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{
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/// Let's celebrate until Lantern Festival
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if (d <= days && d + 25u >= days)
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return true;
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else if (d > days)
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return false;
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}
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return false;
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}
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int mainImpl()
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{
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UseSSL use_ssl;
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registerFunctions();
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registerAggregateFunctions();
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/// Batch mode is enabled if one of the following is true:
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/// - -e (--query) command line option is present.
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/// The value of the option is used as the text of query (or of multiple queries).
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/// If stdin is not a terminal, INSERT data for the first query is read from it.
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/// - stdin is not a terminal. In this case queries are read from it.
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if (!stdin_is_a_tty || config().has("query"))
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is_interactive = false;
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std::cout << std::fixed << std::setprecision(3);
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std::cerr << std::fixed << std::setprecision(3);
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if (is_interactive)
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showClientVersion();
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is_default_format = !config().has("vertical") && !config().has("format");
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if (config().has("vertical"))
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format = config().getString("format", "Vertical");
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else
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format = config().getString("format", is_interactive ? "PrettyCompact" : "TabSeparated");
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format_max_block_size = config().getInt("format_max_block_size", context.getSettingsRef().max_block_size);
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insert_format = "Values";
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/// Setting value from cmd arg overrides one from config
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if (context.getSettingsRef().max_insert_block_size.changed)
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insert_format_max_block_size = context.getSettingsRef().max_insert_block_size;
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else
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insert_format_max_block_size = config().getInt("insert_format_max_block_size", context.getSettingsRef().max_insert_block_size);
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if (!is_interactive)
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{
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need_render_progress = config().getBool("progress", false);
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echo_queries = config().getBool("echo", false);
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ignore_error = config().getBool("ignore-error", false);
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}
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ClientInfo & client_info = context.getClientInfo();
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client_info.setInitialQuery();
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client_info.quota_key = config().getString("quota_key", "");
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connect();
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/// Initialize DateLUT here to avoid counting time spent here as query execution time.
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const auto local_tz = DateLUT::instance().getTimeZone();
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if (!context.getSettingsRef().use_client_time_zone)
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{
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const auto & time_zone = connection->getServerTimezone(connection_parameters.timeouts);
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if (!time_zone.empty())
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{
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try
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{
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DateLUT::setDefaultTimezone(time_zone);
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}
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catch (...)
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{
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std::cerr << "Warning: could not switch to server time zone: " << time_zone
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<< ", reason: " << getCurrentExceptionMessage(/* with_stacktrace = */ false) << std::endl
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<< "Proceeding with local time zone."
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<< std::endl << std::endl;
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}
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}
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else
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{
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std::cerr << "Warning: could not determine server time zone. "
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<< "Proceeding with local time zone."
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<< std::endl << std::endl;
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}
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}
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Strings keys;
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prompt_by_server_display_name = config().getRawString("prompt_by_server_display_name.default", "{display_name} :) ");
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config().keys("prompt_by_server_display_name", keys);
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for (const String & key : keys)
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{
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if (key != "default" && server_display_name.find(key) != std::string::npos)
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{
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prompt_by_server_display_name = config().getRawString("prompt_by_server_display_name." + key);
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break;
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}
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}
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/// Prompt may contain escape sequences including \e[ or \x1b[ sequences to set terminal color.
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{
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String unescaped_prompt_by_server_display_name;
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ReadBufferFromString in(prompt_by_server_display_name);
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readEscapedString(unescaped_prompt_by_server_display_name, in);
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prompt_by_server_display_name = std::move(unescaped_prompt_by_server_display_name);
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}
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/// Prompt may contain the following substitutions in a form of {name}.
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std::map<String, String> prompt_substitutions
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{
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{"host", connection_parameters.host},
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{"port", toString(connection_parameters.port)},
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{"user", connection_parameters.user},
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{"display_name", server_display_name},
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};
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/// Quite suboptimal.
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for (const auto & [key, value]: prompt_substitutions)
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boost::replace_all(prompt_by_server_display_name, "{" + key + "}", value);
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if (is_interactive)
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{
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if (!query_id.empty())
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throw Exception("query_id could be specified only in non-interactive mode", ErrorCodes::BAD_ARGUMENTS);
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if (print_time_to_stderr)
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throw Exception("time option could be specified only in non-interactive mode", ErrorCodes::BAD_ARGUMENTS);
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if (server_revision >= Suggest::MIN_SERVER_REVISION && !config().getBool("disable_suggestion", false))
|
|
{
|
|
/// Load suggestion data from the server.
|
|
Suggest::instance().load(connection_parameters, config().getInt("suggestion_limit"));
|
|
}
|
|
|
|
/// Load command history if present.
|
|
if (config().has("history_file"))
|
|
history_file = config().getString("history_file");
|
|
else
|
|
{
|
|
auto * history_file_from_env = getenv("CLICKHOUSE_HISTORY_FILE");
|
|
if (history_file_from_env)
|
|
history_file = history_file_from_env;
|
|
else if (!home_path.empty())
|
|
history_file = home_path + "/.clickhouse-client-history";
|
|
}
|
|
|
|
if (!history_file.empty() && !Poco::File(history_file).exists())
|
|
Poco::File(history_file).createFile();
|
|
|
|
#if USE_REPLXX
|
|
ReplxxLineReader lr(Suggest::instance(), history_file, '\\', config().has("multiline") ? ';' : 0);
|
|
#elif defined(USE_READLINE) && USE_READLINE
|
|
ReadlineLineReader lr(Suggest::instance(), history_file, '\\', config().has("multiline") ? ';' : 0);
|
|
#else
|
|
LineReader lr(history_file, '\\', config().has("multiline") ? ';' : 0);
|
|
#endif
|
|
|
|
/// Enable bracketed-paste-mode only when multiquery is enabled and multiline is
|
|
/// disabled, so that we are able to paste and execute multiline queries in a whole
|
|
/// instead of erroring out, while be less intrusive.
|
|
if (config().has("multiquery") && !config().has("multiline"))
|
|
lr.enableBracketedPaste();
|
|
|
|
do
|
|
{
|
|
auto input = lr.readLine(prompt(), ":-] ");
|
|
if (input.empty())
|
|
break;
|
|
|
|
has_vertical_output_suffix = false;
|
|
if (input.ends_with("\\G"))
|
|
{
|
|
input.resize(input.size() - 2);
|
|
has_vertical_output_suffix = true;
|
|
}
|
|
|
|
try
|
|
{
|
|
if (!process(input))
|
|
break;
|
|
}
|
|
catch (const Exception & e)
|
|
{
|
|
actual_client_error = e.code();
|
|
if (!actual_client_error || actual_client_error != expected_client_error)
|
|
{
|
|
std::cerr << std::endl
|
|
<< "Exception on client:" << std::endl
|
|
<< "Code: " << e.code() << ". " << e.displayText() << std::endl;
|
|
|
|
if (config().getBool("stacktrace", false))
|
|
std::cerr << "Stack trace:" << std::endl << e.getStackTraceString() << std::endl;
|
|
|
|
std::cerr << std::endl;
|
|
|
|
}
|
|
|
|
/// Client-side exception during query execution can result in the loss of
|
|
/// sync in the connection protocol.
|
|
/// So we reconnect and allow to enter the next query.
|
|
connect();
|
|
}
|
|
}
|
|
while (true);
|
|
|
|
if (isNewYearMode())
|
|
std::cout << "Happy new year." << std::endl;
|
|
else if (isChineseNewYearMode(local_tz))
|
|
std::cout << "Happy Chinese new year. 春节快乐!" << std::endl;
|
|
else
|
|
std::cout << "Bye." << std::endl;
|
|
return 0;
|
|
}
|
|
else
|
|
{
|
|
query_id = config().getString("query_id", "");
|
|
nonInteractive();
|
|
|
|
/// If exception code isn't zero, we should return non-zero return code anyway.
|
|
if (last_exception)
|
|
return last_exception->code() != 0 ? last_exception->code() : -1;
|
|
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
|
|
void connect()
|
|
{
|
|
connection_parameters = ConnectionParameters(config());
|
|
|
|
if (is_interactive)
|
|
std::cout << "Connecting to "
|
|
<< (!connection_parameters.default_database.empty() ? "database " + connection_parameters.default_database + " at " : "")
|
|
<< connection_parameters.host << ":" << connection_parameters.port
|
|
<< (!connection_parameters.user.empty() ? " as user " + connection_parameters.user : "")
|
|
<< "." << std::endl;
|
|
|
|
connection = std::make_unique<Connection>(
|
|
connection_parameters.host,
|
|
connection_parameters.port,
|
|
connection_parameters.default_database,
|
|
connection_parameters.user,
|
|
connection_parameters.password,
|
|
"client",
|
|
connection_parameters.compression,
|
|
connection_parameters.security);
|
|
|
|
String server_name;
|
|
UInt64 server_version_major = 0;
|
|
UInt64 server_version_minor = 0;
|
|
UInt64 server_version_patch = 0;
|
|
|
|
if (max_client_network_bandwidth)
|
|
{
|
|
ThrottlerPtr throttler = std::make_shared<Throttler>(max_client_network_bandwidth, 0, "");
|
|
connection->setThrottler(throttler);
|
|
}
|
|
|
|
connection->getServerVersion(connection_parameters.timeouts,
|
|
server_name, server_version_major, server_version_minor, server_version_patch, server_revision);
|
|
|
|
server_version = toString(server_version_major) + "." + toString(server_version_minor) + "." + toString(server_version_patch);
|
|
|
|
if (server_display_name = connection->getServerDisplayName(connection_parameters.timeouts); server_display_name.empty())
|
|
{
|
|
server_display_name = config().getString("host", "localhost");
|
|
}
|
|
|
|
if (is_interactive)
|
|
{
|
|
std::cout << "Connected to " << server_name
|
|
<< " server version " << server_version
|
|
<< " revision " << server_revision
|
|
<< "." << std::endl << std::endl;
|
|
|
|
auto client_version_tuple = std::make_tuple(VERSION_MAJOR, VERSION_MINOR, VERSION_PATCH);
|
|
auto server_version_tuple = std::make_tuple(server_version_major, server_version_minor, server_version_patch);
|
|
|
|
if (client_version_tuple < server_version_tuple)
|
|
{
|
|
std::cout << "ClickHouse client version is older than ClickHouse server. "
|
|
<< "It may lack support for new features."
|
|
<< std::endl << std::endl;
|
|
}
|
|
else if (client_version_tuple > server_version_tuple)
|
|
{
|
|
std::cout << "ClickHouse server version is older than ClickHouse client. "
|
|
<< "It may indicate that the server is out of date and can be upgraded."
|
|
<< std::endl << std::endl;
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
inline String prompt() const
|
|
{
|
|
return boost::replace_all_copy(prompt_by_server_display_name, "{database}", config().getString("database", "default"));
|
|
}
|
|
|
|
|
|
void nonInteractive()
|
|
{
|
|
String text;
|
|
|
|
if (config().has("query"))
|
|
text = config().getRawString("query"); /// Poco configuration should not process substitutions in form of ${...} inside query.
|
|
else
|
|
{
|
|
/// If 'query' parameter is not set, read a query from stdin.
|
|
/// The query is read entirely into memory (streaming is disabled).
|
|
ReadBufferFromFileDescriptor in(STDIN_FILENO);
|
|
readStringUntilEOF(text, in);
|
|
}
|
|
|
|
process(text);
|
|
}
|
|
|
|
|
|
bool process(const String & text)
|
|
{
|
|
if (exit_strings.end() != exit_strings.find(trim(text, [](char c){ return isWhitespaceASCII(c) || c == ';'; })))
|
|
return false;
|
|
|
|
const bool test_mode = config().has("testmode");
|
|
if (config().has("multiquery"))
|
|
{
|
|
{ /// disable logs if expects errors
|
|
TestHint test_hint(test_mode, text);
|
|
if (test_hint.clientError() || test_hint.serverError())
|
|
process("SET send_logs_level = 'none'");
|
|
}
|
|
|
|
/// Several queries separated by ';'.
|
|
/// INSERT data is ended by the end of line, not ';'.
|
|
|
|
const char * begin = text.data();
|
|
const char * end = begin + text.size();
|
|
|
|
while (begin < end)
|
|
{
|
|
const char * pos = begin;
|
|
ASTPtr ast = parseQuery(pos, end, true);
|
|
|
|
if (!ast)
|
|
{
|
|
if (ignore_error)
|
|
{
|
|
Tokens tokens(begin, end);
|
|
IParser::Pos token_iterator(tokens, context.getSettingsRef().max_parser_depth);
|
|
while (token_iterator->type != TokenType::Semicolon && token_iterator.isValid())
|
|
++token_iterator;
|
|
begin = token_iterator->end;
|
|
|
|
continue;
|
|
}
|
|
return true;
|
|
}
|
|
|
|
auto * insert = ast->as<ASTInsertQuery>();
|
|
|
|
if (insert && insert->data)
|
|
{
|
|
pos = find_first_symbols<'\n'>(insert->data, end);
|
|
insert->end = pos;
|
|
}
|
|
|
|
String str = text.substr(begin - text.data(), pos - begin);
|
|
|
|
begin = pos;
|
|
while (isWhitespaceASCII(*begin) || *begin == ';')
|
|
++begin;
|
|
|
|
TestHint test_hint(test_mode, str);
|
|
expected_client_error = test_hint.clientError();
|
|
expected_server_error = test_hint.serverError();
|
|
|
|
try
|
|
{
|
|
auto ast_to_process = ast;
|
|
if (insert && insert->data)
|
|
ast_to_process = nullptr;
|
|
|
|
if (!processSingleQuery(str, ast_to_process) && !ignore_error)
|
|
return false;
|
|
}
|
|
catch (...)
|
|
{
|
|
last_exception = std::make_unique<Exception>(getCurrentExceptionMessage(true), getCurrentExceptionCode());
|
|
actual_client_error = last_exception->code();
|
|
if (!ignore_error && (!actual_client_error || actual_client_error != expected_client_error))
|
|
std::cerr << "Error on processing query: " << str << std::endl << last_exception->message();
|
|
got_exception = true;
|
|
}
|
|
|
|
if (!test_hint.checkActual(actual_server_error, actual_client_error, got_exception, last_exception))
|
|
connection->forceConnected(connection_parameters.timeouts);
|
|
|
|
if (got_exception && !ignore_error)
|
|
{
|
|
if (is_interactive)
|
|
break;
|
|
else
|
|
return false;
|
|
}
|
|
}
|
|
|
|
return true;
|
|
}
|
|
else
|
|
{
|
|
return processSingleQuery(text);
|
|
}
|
|
}
|
|
|
|
|
|
bool processSingleQuery(const String & line, ASTPtr parsed_query_ = nullptr)
|
|
{
|
|
resetOutput();
|
|
got_exception = false;
|
|
|
|
if (echo_queries)
|
|
{
|
|
writeString(line, std_out);
|
|
writeChar('\n', std_out);
|
|
std_out.next();
|
|
}
|
|
|
|
watch.restart();
|
|
|
|
query = line;
|
|
|
|
/// Some parts of a query (result output and formatting) are executed client-side.
|
|
/// Thus we need to parse the query.
|
|
parsed_query = parsed_query_;
|
|
if (!parsed_query)
|
|
{
|
|
const char * begin = query.data();
|
|
parsed_query = parseQuery(begin, begin + query.size(), false);
|
|
}
|
|
|
|
if (!parsed_query)
|
|
return true;
|
|
|
|
processed_rows = 0;
|
|
progress.reset();
|
|
show_progress_bar = false;
|
|
written_progress_chars = 0;
|
|
written_first_block = false;
|
|
|
|
{
|
|
/// Temporarily apply query settings to context.
|
|
std::optional<Settings> old_settings;
|
|
SCOPE_EXIT({ if (old_settings) context.setSettings(*old_settings); });
|
|
auto apply_query_settings = [&](const IAST & settings_ast)
|
|
{
|
|
if (!old_settings)
|
|
old_settings.emplace(context.getSettingsRef());
|
|
context.applySettingsChanges(settings_ast.as<ASTSetQuery>()->changes);
|
|
};
|
|
const auto * insert = parsed_query->as<ASTInsertQuery>();
|
|
if (insert && insert->settings_ast)
|
|
apply_query_settings(*insert->settings_ast);
|
|
/// FIXME: try to prettify this cast using `as<>()`
|
|
const auto * with_output = dynamic_cast<const ASTQueryWithOutput *>(parsed_query.get());
|
|
if (with_output && with_output->settings_ast)
|
|
apply_query_settings(*with_output->settings_ast);
|
|
|
|
connection->forceConnected(connection_parameters.timeouts);
|
|
|
|
send_logs = context.getSettingsRef().send_logs_level != LogsLevel::none;
|
|
|
|
ASTPtr input_function;
|
|
if (insert && insert->select)
|
|
insert->tryFindInputFunction(input_function);
|
|
|
|
/// INSERT query for which data transfer is needed (not an INSERT SELECT or input()) is processed separately.
|
|
if (insert && (!insert->select || input_function) && !insert->watch)
|
|
{
|
|
if (input_function && insert->format.empty())
|
|
throw Exception("FORMAT must be specified for function input()", ErrorCodes::INVALID_USAGE_OF_INPUT);
|
|
processInsertQuery();
|
|
}
|
|
else
|
|
processOrdinaryQuery();
|
|
}
|
|
|
|
/// Do not change context (current DB, settings) in case of an exception.
|
|
if (!got_exception)
|
|
{
|
|
if (const auto * set_query = parsed_query->as<ASTSetQuery>())
|
|
{
|
|
/// Save all changes in settings to avoid losing them if the connection is lost.
|
|
for (const auto & change : set_query->changes)
|
|
{
|
|
if (change.name == "profile")
|
|
current_profile = change.value.safeGet<String>();
|
|
else
|
|
context.applySettingChange(change);
|
|
}
|
|
}
|
|
|
|
if (const auto * use_query = parsed_query->as<ASTUseQuery>())
|
|
{
|
|
const String & new_database = use_query->database;
|
|
/// If the client initiates the reconnection, it takes the settings from the config.
|
|
config().setString("database", new_database);
|
|
/// If the connection initiates the reconnection, it uses its variable.
|
|
connection->setDefaultDatabase(new_database);
|
|
}
|
|
}
|
|
|
|
if (is_interactive)
|
|
{
|
|
std::cout << std::endl
|
|
<< processed_rows << " rows in set. Elapsed: " << watch.elapsedSeconds() << " sec. ";
|
|
|
|
if (progress.read_rows >= 1000)
|
|
writeFinalProgress();
|
|
|
|
std::cout << std::endl << std::endl;
|
|
}
|
|
else if (print_time_to_stderr)
|
|
{
|
|
std::cerr << watch.elapsedSeconds() << "\n";
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
|
|
/// Convert external tables to ExternalTableData and send them using the connection.
|
|
void sendExternalTables()
|
|
{
|
|
const auto * select = parsed_query->as<ASTSelectWithUnionQuery>();
|
|
if (!select && !external_tables.empty())
|
|
throw Exception("External tables could be sent only with select query", ErrorCodes::BAD_ARGUMENTS);
|
|
|
|
std::vector<ExternalTableDataPtr> data;
|
|
for (auto & table : external_tables)
|
|
data.emplace_back(table.getData(context));
|
|
|
|
connection->sendExternalTablesData(data);
|
|
}
|
|
|
|
|
|
/// Process the query that doesn't require transferring data blocks to the server.
|
|
void processOrdinaryQuery()
|
|
{
|
|
/// We will always rewrite query (even if there are no query_parameters) because it will help to find errors in query formatter.
|
|
{
|
|
/// Replace ASTQueryParameter with ASTLiteral for prepared statements.
|
|
ReplaceQueryParameterVisitor visitor(query_parameters);
|
|
visitor.visit(parsed_query);
|
|
|
|
/// Get new query after substitutions. Note that it cannot be done for INSERT query with embedded data.
|
|
query = serializeAST(*parsed_query);
|
|
}
|
|
|
|
static constexpr size_t max_retries = 10;
|
|
for (size_t retry = 0; retry < max_retries; ++retry)
|
|
{
|
|
try
|
|
{
|
|
connection->sendQuery(
|
|
connection_parameters.timeouts,
|
|
query,
|
|
query_id,
|
|
QueryProcessingStage::Complete,
|
|
&context.getSettingsRef(),
|
|
&context.getClientInfo(),
|
|
true);
|
|
|
|
sendExternalTables();
|
|
receiveResult();
|
|
|
|
break;
|
|
}
|
|
catch (const Exception & e)
|
|
{
|
|
/// Retry when the server said "Client should retry" and no rows has been received yet.
|
|
if (processed_rows == 0 && e.code() == ErrorCodes::DEADLOCK_AVOIDED && retry + 1 < max_retries)
|
|
continue;
|
|
|
|
throw;
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
/// Process the query that requires transferring data blocks to the server.
|
|
void processInsertQuery()
|
|
{
|
|
/// Send part of query without data, because data will be sent separately.
|
|
const auto & parsed_insert_query = parsed_query->as<ASTInsertQuery &>();
|
|
String query_without_data = parsed_insert_query.data
|
|
? query.substr(0, parsed_insert_query.data - query.data())
|
|
: query;
|
|
|
|
if (!parsed_insert_query.data && (is_interactive || (!stdin_is_a_tty && std_in.eof())))
|
|
throw Exception("No data to insert", ErrorCodes::NO_DATA_TO_INSERT);
|
|
|
|
connection->sendQuery(
|
|
connection_parameters.timeouts,
|
|
query_without_data,
|
|
query_id,
|
|
QueryProcessingStage::Complete,
|
|
&context.getSettingsRef(),
|
|
&context.getClientInfo(),
|
|
true);
|
|
|
|
sendExternalTables();
|
|
|
|
/// Receive description of table structure.
|
|
Block sample;
|
|
ColumnsDescription columns_description;
|
|
if (receiveSampleBlock(sample, columns_description))
|
|
{
|
|
/// If structure was received (thus, server has not thrown an exception),
|
|
/// send our data with that structure.
|
|
sendData(sample, columns_description);
|
|
receiveEndOfQuery();
|
|
}
|
|
}
|
|
|
|
|
|
ASTPtr parseQuery(const char * & pos, const char * end, bool allow_multi_statements)
|
|
{
|
|
ParserQuery parser(end, true);
|
|
ASTPtr res;
|
|
|
|
const auto & settings = context.getSettingsRef();
|
|
size_t max_length = 0;
|
|
if (!allow_multi_statements)
|
|
max_length = settings.max_query_size;
|
|
|
|
if (is_interactive || ignore_error)
|
|
{
|
|
String message;
|
|
res = tryParseQuery(parser, pos, end, message, true, "", allow_multi_statements, max_length, settings.max_parser_depth);
|
|
|
|
if (!res)
|
|
{
|
|
std::cerr << std::endl << message << std::endl << std::endl;
|
|
return nullptr;
|
|
}
|
|
}
|
|
else
|
|
res = parseQueryAndMovePosition(parser, pos, end, "", allow_multi_statements, max_length, settings.max_parser_depth);
|
|
|
|
if (is_interactive)
|
|
{
|
|
std::cout << std::endl;
|
|
formatAST(*res, std::cout);
|
|
std::cout << std::endl << std::endl;
|
|
}
|
|
|
|
return res;
|
|
}
|
|
|
|
|
|
void sendData(Block & sample, const ColumnsDescription & columns_description)
|
|
{
|
|
/// If INSERT data must be sent.
|
|
const auto * parsed_insert_query = parsed_query->as<ASTInsertQuery>();
|
|
if (!parsed_insert_query)
|
|
return;
|
|
|
|
if (parsed_insert_query->data)
|
|
{
|
|
/// Send data contained in the query.
|
|
ReadBufferFromMemory data_in(parsed_insert_query->data, parsed_insert_query->end - parsed_insert_query->data);
|
|
sendDataFrom(data_in, sample, columns_description);
|
|
}
|
|
else if (!is_interactive)
|
|
{
|
|
/// Send data read from stdin.
|
|
sendDataFrom(std_in, sample, columns_description);
|
|
}
|
|
else
|
|
throw Exception("No data to insert", ErrorCodes::NO_DATA_TO_INSERT);
|
|
}
|
|
|
|
|
|
void sendDataFrom(ReadBuffer & buf, Block & sample, const ColumnsDescription & columns_description)
|
|
{
|
|
String current_format = insert_format;
|
|
|
|
/// Data format can be specified in the INSERT query.
|
|
if (const auto * insert = parsed_query->as<ASTInsertQuery>())
|
|
{
|
|
if (!insert->format.empty())
|
|
current_format = insert->format;
|
|
}
|
|
|
|
BlockInputStreamPtr block_input = context.getInputFormat(
|
|
current_format, buf, sample, insert_format_max_block_size);
|
|
|
|
const auto & column_defaults = columns_description.getDefaults();
|
|
if (!column_defaults.empty())
|
|
block_input = std::make_shared<AddingDefaultsBlockInputStream>(block_input, column_defaults, context);
|
|
|
|
BlockInputStreamPtr async_block_input = std::make_shared<AsynchronousBlockInputStream>(block_input);
|
|
|
|
async_block_input->readPrefix();
|
|
|
|
while (true)
|
|
{
|
|
Block block = async_block_input->read();
|
|
|
|
/// Check if server send Log packet
|
|
receiveLogs();
|
|
|
|
/// Check if server send Exception packet
|
|
auto packet_type = connection->checkPacket();
|
|
if (packet_type && *packet_type == Protocol::Server::Exception)
|
|
{
|
|
/*
|
|
* We're exiting with error, so it makes sense to kill the
|
|
* input stream without waiting for it to complete.
|
|
*/
|
|
async_block_input->cancel(true);
|
|
return;
|
|
}
|
|
|
|
connection->sendData(block);
|
|
processed_rows += block.rows();
|
|
|
|
if (!block)
|
|
break;
|
|
}
|
|
|
|
async_block_input->readSuffix();
|
|
}
|
|
|
|
|
|
/// Flush all buffers.
|
|
void resetOutput()
|
|
{
|
|
block_out_stream.reset();
|
|
logs_out_stream.reset();
|
|
|
|
if (pager_cmd)
|
|
{
|
|
pager_cmd->in.close();
|
|
pager_cmd->wait();
|
|
}
|
|
pager_cmd = nullptr;
|
|
|
|
if (out_file_buf)
|
|
{
|
|
out_file_buf->next();
|
|
out_file_buf.reset();
|
|
}
|
|
|
|
if (out_logs_buf)
|
|
{
|
|
out_logs_buf->next();
|
|
out_logs_buf.reset();
|
|
}
|
|
|
|
std_out.next();
|
|
}
|
|
|
|
|
|
/// Receives and processes packets coming from server.
|
|
/// Also checks if query execution should be cancelled.
|
|
void receiveResult()
|
|
{
|
|
InterruptListener interrupt_listener;
|
|
bool cancelled = false;
|
|
|
|
// TODO: get the poll_interval from commandline.
|
|
const auto receive_timeout = connection_parameters.timeouts.receive_timeout;
|
|
constexpr size_t default_poll_interval = 1000000; /// in microseconds
|
|
constexpr size_t min_poll_interval = 5000; /// in microseconds
|
|
const size_t poll_interval
|
|
= std::max(min_poll_interval, std::min<size_t>(receive_timeout.totalMicroseconds(), default_poll_interval));
|
|
|
|
while (true)
|
|
{
|
|
Stopwatch receive_watch(CLOCK_MONOTONIC_COARSE);
|
|
|
|
while (true)
|
|
{
|
|
/// Has the Ctrl+C been pressed and thus the query should be cancelled?
|
|
/// If this is the case, inform the server about it and receive the remaining packets
|
|
/// to avoid losing sync.
|
|
if (!cancelled)
|
|
{
|
|
auto cancel_query = [&]
|
|
{
|
|
connection->sendCancel();
|
|
cancelled = true;
|
|
if (is_interactive)
|
|
{
|
|
if (written_progress_chars)
|
|
clearProgress();
|
|
std::cout << "Cancelling query." << std::endl;
|
|
}
|
|
|
|
/// Pressing Ctrl+C twice results in shut down.
|
|
interrupt_listener.unblock();
|
|
};
|
|
|
|
if (interrupt_listener.check())
|
|
{
|
|
cancel_query();
|
|
}
|
|
else
|
|
{
|
|
double elapsed = receive_watch.elapsedSeconds();
|
|
if (elapsed > receive_timeout.totalSeconds())
|
|
{
|
|
std::cout << "Timeout exceeded while receiving data from server."
|
|
<< " Waited for " << static_cast<size_t>(elapsed) << " seconds,"
|
|
<< " timeout is " << receive_timeout.totalSeconds() << " seconds." << std::endl;
|
|
|
|
cancel_query();
|
|
}
|
|
}
|
|
}
|
|
|
|
/// Poll for changes after a cancellation check, otherwise it never reached
|
|
/// because of progress updates from server.
|
|
if (connection->poll(poll_interval))
|
|
break;
|
|
}
|
|
|
|
if (!receiveAndProcessPacket(cancelled))
|
|
break;
|
|
}
|
|
|
|
if (cancelled && is_interactive)
|
|
std::cout << "Query was cancelled." << std::endl;
|
|
}
|
|
|
|
|
|
/// Receive a part of the result, or progress info or an exception and process it.
|
|
/// Returns true if one should continue receiving packets.
|
|
/// Output of result is suppressed if query was cancelled.
|
|
bool receiveAndProcessPacket(bool cancelled)
|
|
{
|
|
Packet packet = connection->receivePacket();
|
|
|
|
switch (packet.type)
|
|
{
|
|
case Protocol::Server::Data:
|
|
if (!cancelled)
|
|
onData(packet.block);
|
|
return true;
|
|
|
|
case Protocol::Server::Progress:
|
|
onProgress(packet.progress);
|
|
return true;
|
|
|
|
case Protocol::Server::ProfileInfo:
|
|
onProfileInfo(packet.profile_info);
|
|
return true;
|
|
|
|
case Protocol::Server::Totals:
|
|
if (!cancelled)
|
|
onTotals(packet.block);
|
|
return true;
|
|
|
|
case Protocol::Server::Extremes:
|
|
if (!cancelled)
|
|
onExtremes(packet.block);
|
|
return true;
|
|
|
|
case Protocol::Server::Exception:
|
|
onException(*packet.exception);
|
|
last_exception = std::move(packet.exception);
|
|
return false;
|
|
|
|
case Protocol::Server::Log:
|
|
onLogData(packet.block);
|
|
return true;
|
|
|
|
case Protocol::Server::EndOfStream:
|
|
onEndOfStream();
|
|
return false;
|
|
|
|
default:
|
|
throw Exception("Unknown packet from server", ErrorCodes::UNKNOWN_PACKET_FROM_SERVER);
|
|
}
|
|
}
|
|
|
|
|
|
/// Receive the block that serves as an example of the structure of table where data will be inserted.
|
|
bool receiveSampleBlock(Block & out, ColumnsDescription & columns_description)
|
|
{
|
|
while (true)
|
|
{
|
|
Packet packet = connection->receivePacket();
|
|
|
|
switch (packet.type)
|
|
{
|
|
case Protocol::Server::Data:
|
|
out = packet.block;
|
|
return true;
|
|
|
|
case Protocol::Server::Exception:
|
|
onException(*packet.exception);
|
|
last_exception = std::move(packet.exception);
|
|
return false;
|
|
|
|
case Protocol::Server::Log:
|
|
onLogData(packet.block);
|
|
break;
|
|
|
|
case Protocol::Server::TableColumns:
|
|
columns_description = ColumnsDescription::parse(packet.multistring_message[1]);
|
|
return receiveSampleBlock(out, columns_description);
|
|
|
|
default:
|
|
throw NetException("Unexpected packet from server (expected Data, Exception or Log, got "
|
|
+ String(Protocol::Server::toString(packet.type)) + ")", ErrorCodes::UNEXPECTED_PACKET_FROM_SERVER);
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
/// Process Log packets, exit when receive Exception or EndOfStream
|
|
bool receiveEndOfQuery()
|
|
{
|
|
while (true)
|
|
{
|
|
Packet packet = connection->receivePacket();
|
|
|
|
switch (packet.type)
|
|
{
|
|
case Protocol::Server::EndOfStream:
|
|
onEndOfStream();
|
|
return true;
|
|
|
|
case Protocol::Server::Exception:
|
|
onException(*packet.exception);
|
|
last_exception = std::move(packet.exception);
|
|
return false;
|
|
|
|
case Protocol::Server::Log:
|
|
onLogData(packet.block);
|
|
break;
|
|
|
|
default:
|
|
throw NetException("Unexpected packet from server (expected Exception, EndOfStream or Log, got "
|
|
+ String(Protocol::Server::toString(packet.type)) + ")", ErrorCodes::UNEXPECTED_PACKET_FROM_SERVER);
|
|
}
|
|
}
|
|
}
|
|
|
|
/// Process Log packets, used when inserting data by blocks
|
|
void receiveLogs()
|
|
{
|
|
auto packet_type = connection->checkPacket();
|
|
|
|
while (packet_type && *packet_type == Protocol::Server::Log)
|
|
{
|
|
receiveAndProcessPacket(false);
|
|
packet_type = connection->checkPacket();
|
|
}
|
|
}
|
|
|
|
void initBlockOutputStream(const Block & block)
|
|
{
|
|
if (!block_out_stream)
|
|
{
|
|
WriteBuffer * out_buf = nullptr;
|
|
String pager = config().getString("pager", "");
|
|
if (!pager.empty())
|
|
{
|
|
signal(SIGPIPE, SIG_IGN);
|
|
pager_cmd = ShellCommand::execute(pager, true);
|
|
out_buf = &pager_cmd->in;
|
|
}
|
|
else
|
|
{
|
|
out_buf = &std_out;
|
|
}
|
|
|
|
String current_format = format;
|
|
|
|
/// The query can specify output format or output file.
|
|
/// FIXME: try to prettify this cast using `as<>()`
|
|
if (const auto * query_with_output = dynamic_cast<const ASTQueryWithOutput *>(parsed_query.get()))
|
|
{
|
|
if (query_with_output->out_file)
|
|
{
|
|
const auto & out_file_node = query_with_output->out_file->as<ASTLiteral &>();
|
|
const auto & out_file = out_file_node.value.safeGet<std::string>();
|
|
|
|
out_file_buf.emplace(out_file, DBMS_DEFAULT_BUFFER_SIZE, O_WRONLY | O_EXCL | O_CREAT);
|
|
out_buf = &*out_file_buf;
|
|
|
|
// We are writing to file, so default format is the same as in non-interactive mode.
|
|
if (is_interactive && is_default_format)
|
|
current_format = "TabSeparated";
|
|
}
|
|
if (query_with_output->format != nullptr)
|
|
{
|
|
if (has_vertical_output_suffix)
|
|
throw Exception("Output format already specified", ErrorCodes::CLIENT_OUTPUT_FORMAT_SPECIFIED);
|
|
const auto & id = query_with_output->format->as<ASTIdentifier &>();
|
|
current_format = id.name;
|
|
}
|
|
}
|
|
|
|
if (has_vertical_output_suffix)
|
|
current_format = "Vertical";
|
|
|
|
block_out_stream = context.getOutputFormat(current_format, *out_buf, block);
|
|
block_out_stream->writePrefix();
|
|
}
|
|
}
|
|
|
|
|
|
void initLogsOutputStream()
|
|
{
|
|
if (!logs_out_stream)
|
|
{
|
|
WriteBuffer * wb = out_logs_buf.get();
|
|
|
|
if (!out_logs_buf)
|
|
{
|
|
if (server_logs_file.empty())
|
|
{
|
|
/// Use stderr by default
|
|
out_logs_buf = std::make_unique<WriteBufferFromFileDescriptor>(STDERR_FILENO);
|
|
wb = out_logs_buf.get();
|
|
}
|
|
else if (server_logs_file == "-")
|
|
{
|
|
/// Use stdout if --server_logs_file=- specified
|
|
wb = &std_out;
|
|
}
|
|
else
|
|
{
|
|
out_logs_buf = std::make_unique<WriteBufferFromFile>(server_logs_file, DBMS_DEFAULT_BUFFER_SIZE, O_WRONLY | O_APPEND | O_CREAT);
|
|
wb = out_logs_buf.get();
|
|
}
|
|
}
|
|
|
|
logs_out_stream = std::make_shared<InternalTextLogsRowOutputStream>(*wb, stdout_is_a_tty);
|
|
logs_out_stream->writePrefix();
|
|
}
|
|
}
|
|
|
|
|
|
void onData(Block & block)
|
|
{
|
|
if (written_progress_chars)
|
|
clearProgress();
|
|
|
|
if (!block)
|
|
return;
|
|
|
|
processed_rows += block.rows();
|
|
initBlockOutputStream(block);
|
|
|
|
/// The header block containing zero rows was used to initialize block_out_stream, do not output it.
|
|
if (block.rows() != 0)
|
|
{
|
|
block_out_stream->write(block);
|
|
written_first_block = true;
|
|
}
|
|
|
|
/// Received data block is immediately displayed to the user.
|
|
block_out_stream->flush();
|
|
|
|
/// Restore progress bar after data block.
|
|
writeProgress();
|
|
}
|
|
|
|
|
|
void onLogData(Block & block)
|
|
{
|
|
initLogsOutputStream();
|
|
logs_out_stream->write(block);
|
|
logs_out_stream->flush();
|
|
}
|
|
|
|
|
|
void onTotals(Block & block)
|
|
{
|
|
initBlockOutputStream(block);
|
|
block_out_stream->setTotals(block);
|
|
}
|
|
|
|
void onExtremes(Block & block)
|
|
{
|
|
initBlockOutputStream(block);
|
|
block_out_stream->setExtremes(block);
|
|
}
|
|
|
|
|
|
void onProgress(const Progress & value)
|
|
{
|
|
if (!progress.incrementPiecewiseAtomically(value))
|
|
{
|
|
// Just a keep-alive update.
|
|
return;
|
|
}
|
|
if (block_out_stream)
|
|
block_out_stream->onProgress(value);
|
|
writeProgress();
|
|
}
|
|
|
|
|
|
void clearProgress()
|
|
{
|
|
written_progress_chars = 0;
|
|
if (!send_logs)
|
|
std::cerr << "\r" CLEAR_TO_END_OF_LINE;
|
|
}
|
|
|
|
|
|
void writeProgress()
|
|
{
|
|
if (!need_render_progress)
|
|
return;
|
|
|
|
/// Output all progress bar commands to stderr at once to avoid flicker.
|
|
WriteBufferFromFileDescriptor message(STDERR_FILENO, 1024);
|
|
|
|
static size_t increment = 0;
|
|
static const char * indicators[8] =
|
|
{
|
|
"\033[1;30m→\033[0m",
|
|
"\033[1;31m↘\033[0m",
|
|
"\033[1;32m↓\033[0m",
|
|
"\033[1;33m↙\033[0m",
|
|
"\033[1;34m←\033[0m",
|
|
"\033[1;35m↖\033[0m",
|
|
"\033[1;36m↑\033[0m",
|
|
"\033[1m↗\033[0m",
|
|
};
|
|
|
|
const char * indicator = indicators[increment % 8];
|
|
|
|
if (!send_logs && written_progress_chars)
|
|
message << '\r';
|
|
|
|
size_t prefix_size = message.count();
|
|
|
|
message << indicator << " Progress: ";
|
|
|
|
message
|
|
<< formatReadableQuantity(progress.read_rows) << " rows, "
|
|
<< formatReadableSizeWithDecimalSuffix(progress.read_bytes);
|
|
|
|
size_t elapsed_ns = watch.elapsed();
|
|
if (elapsed_ns)
|
|
message << " ("
|
|
<< formatReadableQuantity(progress.read_rows * 1000000000.0 / elapsed_ns) << " rows/s., "
|
|
<< formatReadableSizeWithDecimalSuffix(progress.read_bytes * 1000000000.0 / elapsed_ns) << "/s.) ";
|
|
else
|
|
message << ". ";
|
|
|
|
written_progress_chars = message.count() - prefix_size - (strlen(indicator) - 2); /// Don't count invisible output (escape sequences).
|
|
|
|
/// If the approximate number of rows to process is known, we can display a progress bar and percentage.
|
|
if (progress.total_rows_to_read > 0)
|
|
{
|
|
size_t total_rows_corrected = std::max(progress.read_rows, progress.total_rows_to_read);
|
|
|
|
/// To avoid flicker, display progress bar only if .5 seconds have passed since query execution start
|
|
/// and the query is less than halfway done.
|
|
|
|
if (elapsed_ns > 500000000)
|
|
{
|
|
/// Trigger to start displaying progress bar. If query is mostly done, don't display it.
|
|
if (progress.read_rows * 2 < total_rows_corrected)
|
|
show_progress_bar = true;
|
|
|
|
if (show_progress_bar)
|
|
{
|
|
ssize_t width_of_progress_bar = static_cast<ssize_t>(getTerminalWidth()) - written_progress_chars - strlen(" 99%");
|
|
if (width_of_progress_bar > 0)
|
|
{
|
|
std::string bar = UnicodeBar::render(UnicodeBar::getWidth(progress.read_rows, 0, total_rows_corrected, width_of_progress_bar));
|
|
message << "\033[0;32m" << bar << "\033[0m";
|
|
if (width_of_progress_bar > static_cast<ssize_t>(bar.size() / UNICODE_BAR_CHAR_SIZE))
|
|
message << std::string(width_of_progress_bar - bar.size() / UNICODE_BAR_CHAR_SIZE, ' ');
|
|
}
|
|
}
|
|
}
|
|
|
|
/// Underestimate percentage a bit to avoid displaying 100%.
|
|
message << ' ' << (99 * progress.read_rows / total_rows_corrected) << '%';
|
|
}
|
|
|
|
message << CLEAR_TO_END_OF_LINE;
|
|
|
|
if (send_logs)
|
|
message << '\n';
|
|
|
|
++increment;
|
|
|
|
message.next();
|
|
}
|
|
|
|
|
|
void writeFinalProgress()
|
|
{
|
|
std::cout << "Processed "
|
|
<< formatReadableQuantity(progress.read_rows) << " rows, "
|
|
<< formatReadableSizeWithDecimalSuffix(progress.read_bytes);
|
|
|
|
size_t elapsed_ns = watch.elapsed();
|
|
if (elapsed_ns)
|
|
std::cout << " ("
|
|
<< formatReadableQuantity(progress.read_rows * 1000000000.0 / elapsed_ns) << " rows/s., "
|
|
<< formatReadableSizeWithDecimalSuffix(progress.read_bytes * 1000000000.0 / elapsed_ns) << "/s.) ";
|
|
else
|
|
std::cout << ". ";
|
|
}
|
|
|
|
|
|
void onException(const Exception & e)
|
|
{
|
|
resetOutput();
|
|
got_exception = true;
|
|
|
|
actual_server_error = e.code();
|
|
if (expected_server_error)
|
|
{
|
|
if (actual_server_error == expected_server_error)
|
|
return;
|
|
std::cerr << "Expected error code: " << expected_server_error << " but got: " << actual_server_error << "." << std::endl;
|
|
}
|
|
|
|
std::string text = e.displayText();
|
|
|
|
auto embedded_stack_trace_pos = text.find("Stack trace");
|
|
if (std::string::npos != embedded_stack_trace_pos && !config().getBool("stacktrace", false))
|
|
text.resize(embedded_stack_trace_pos);
|
|
|
|
/// If we probably have progress bar, we should add additional newline,
|
|
/// otherwise exception may display concatenated with the progress bar.
|
|
if (need_render_progress)
|
|
std::cerr << '\n';
|
|
|
|
std::cerr << "Received exception from server (version " << server_version << "):" << std::endl
|
|
<< "Code: " << e.code() << ". " << text << std::endl;
|
|
}
|
|
|
|
|
|
void onProfileInfo(const BlockStreamProfileInfo & profile_info)
|
|
{
|
|
if (profile_info.hasAppliedLimit() && block_out_stream)
|
|
block_out_stream->setRowsBeforeLimit(profile_info.getRowsBeforeLimit());
|
|
}
|
|
|
|
|
|
void onEndOfStream()
|
|
{
|
|
if (block_out_stream)
|
|
block_out_stream->writeSuffix();
|
|
|
|
if (logs_out_stream)
|
|
logs_out_stream->writeSuffix();
|
|
|
|
resetOutput();
|
|
|
|
if (is_interactive && !written_first_block)
|
|
{
|
|
if (written_progress_chars)
|
|
clearProgress();
|
|
std::cout << "Ok." << std::endl;
|
|
}
|
|
}
|
|
|
|
static void showClientVersion()
|
|
{
|
|
std::cout << DBMS_NAME << " client version " << VERSION_STRING << VERSION_OFFICIAL << "." << std::endl;
|
|
}
|
|
|
|
public:
|
|
void init(int argc, char ** argv)
|
|
{
|
|
/// Don't parse options with Poco library. We need more sophisticated processing.
|
|
stopOptionsProcessing();
|
|
|
|
/** We allow different groups of arguments:
|
|
* - common arguments;
|
|
* - arguments for any number of external tables each in form "--external args...",
|
|
* where possible args are file, name, format, structure, types;
|
|
* - param arguments for prepared statements.
|
|
* Split these groups before processing.
|
|
*/
|
|
using Arguments = std::vector<std::string>;
|
|
|
|
Arguments common_arguments{""}; /// 0th argument is ignored.
|
|
std::vector<Arguments> external_tables_arguments;
|
|
|
|
bool in_external_group = false;
|
|
for (int arg_num = 1; arg_num < argc; ++arg_num)
|
|
{
|
|
const char * arg = argv[arg_num];
|
|
|
|
if (0 == strcmp(arg, "--external"))
|
|
{
|
|
in_external_group = true;
|
|
external_tables_arguments.emplace_back(Arguments{""});
|
|
}
|
|
/// Options with value after equal sign.
|
|
else if (in_external_group
|
|
&& (0 == strncmp(arg, "--file=", strlen("--file="))
|
|
|| 0 == strncmp(arg, "--name=", strlen("--name="))
|
|
|| 0 == strncmp(arg, "--format=", strlen("--format="))
|
|
|| 0 == strncmp(arg, "--structure=", strlen("--structure="))
|
|
|| 0 == strncmp(arg, "--types=", strlen("--types="))))
|
|
{
|
|
external_tables_arguments.back().emplace_back(arg);
|
|
}
|
|
/// Options with value after whitespace.
|
|
else if (in_external_group
|
|
&& (0 == strcmp(arg, "--file")
|
|
|| 0 == strcmp(arg, "--name")
|
|
|| 0 == strcmp(arg, "--format")
|
|
|| 0 == strcmp(arg, "--structure")
|
|
|| 0 == strcmp(arg, "--types")))
|
|
{
|
|
if (arg_num + 1 < argc)
|
|
{
|
|
external_tables_arguments.back().emplace_back(arg);
|
|
++arg_num;
|
|
arg = argv[arg_num];
|
|
external_tables_arguments.back().emplace_back(arg);
|
|
}
|
|
else
|
|
break;
|
|
}
|
|
else
|
|
{
|
|
in_external_group = false;
|
|
|
|
/// Parameter arg after underline.
|
|
if (startsWith(arg, "--param_"))
|
|
{
|
|
const char * param_continuation = arg + strlen("--param_");
|
|
const char * equal_pos = strchr(param_continuation, '=');
|
|
|
|
if (equal_pos == param_continuation)
|
|
throw Exception("Parameter name cannot be empty", ErrorCodes::BAD_ARGUMENTS);
|
|
|
|
if (equal_pos)
|
|
{
|
|
/// param_name=value
|
|
query_parameters.emplace(String(param_continuation, equal_pos), String(equal_pos + 1));
|
|
}
|
|
else
|
|
{
|
|
/// param_name value
|
|
++arg_num;
|
|
arg = argv[arg_num];
|
|
query_parameters.emplace(String(param_continuation), String(arg));
|
|
}
|
|
}
|
|
else
|
|
common_arguments.emplace_back(arg);
|
|
}
|
|
}
|
|
|
|
stdin_is_a_tty = isatty(STDIN_FILENO);
|
|
stdout_is_a_tty = isatty(STDOUT_FILENO);
|
|
|
|
uint64_t terminal_width = 0;
|
|
if (stdin_is_a_tty)
|
|
terminal_width = getTerminalWidth();
|
|
|
|
namespace po = boost::program_options;
|
|
|
|
/// Main commandline options related to client functionality and all parameters from Settings.
|
|
po::options_description main_description = createOptionsDescription("Main options", terminal_width);
|
|
main_description.add_options()
|
|
("help", "produce help message")
|
|
("config-file,C", po::value<std::string>(), "config-file path")
|
|
("config,c", po::value<std::string>(), "config-file path (another shorthand)")
|
|
("host,h", po::value<std::string>()->default_value("localhost"), "server host")
|
|
("port", po::value<int>()->default_value(9000), "server port")
|
|
("secure,s", "Use TLS connection")
|
|
("user,u", po::value<std::string>()->default_value("default"), "user")
|
|
/** If "--password [value]" is used but the value is omitted, the bad argument exception will be thrown.
|
|
* implicit_value is used to avoid this exception (to allow user to type just "--password")
|
|
* Since currently boost provides no way to check if a value has been set implicitly for an option,
|
|
* the "\n" is used to distinguish this case because there is hardly a chance an user would use "\n"
|
|
* as the password.
|
|
*/
|
|
("password", po::value<std::string>()->implicit_value("\n", ""), "password")
|
|
("ask-password", "ask-password")
|
|
("quota_key", po::value<std::string>(), "A string to differentiate quotas when the user have keyed quotas configured on server")
|
|
("query_id", po::value<std::string>(), "query_id")
|
|
("query,q", po::value<std::string>(), "query")
|
|
("database,d", po::value<std::string>(), "database")
|
|
("pager", po::value<std::string>(), "pager")
|
|
("disable_suggestion,A", "Disable loading suggestion data. Note that suggestion data is loaded asynchronously through a second connection to ClickHouse server. Also it is reasonable to disable suggestion if you want to paste a query with TAB characters. Shorthand option -A is for those who get used to mysql client.")
|
|
("suggestion_limit", po::value<int>()->default_value(10000),
|
|
"Suggestion limit for how many databases, tables and columns to fetch.")
|
|
("multiline,m", "multiline")
|
|
("multiquery,n", "multiquery")
|
|
("format,f", po::value<std::string>(), "default output format")
|
|
("testmode,T", "enable test hints in comments")
|
|
("ignore-error", "do not stop processing in multiquery mode")
|
|
("vertical,E", "vertical output format, same as --format=Vertical or FORMAT Vertical or \\G at end of command")
|
|
("time,t", "print query execution time to stderr in non-interactive mode (for benchmarks)")
|
|
("stacktrace", "print stack traces of exceptions")
|
|
("progress", "print progress even in non-interactive mode")
|
|
("version,V", "print version information and exit")
|
|
("version-clean", "print version in machine-readable format and exit")
|
|
("echo", "in batch mode, print query before execution")
|
|
("max_client_network_bandwidth", po::value<int>(), "the maximum speed of data exchange over the network for the client in bytes per second.")
|
|
("compression", po::value<bool>(), "enable or disable compression")
|
|
("log-level", po::value<std::string>(), "client log level")
|
|
("server_logs_file", po::value<std::string>(), "put server logs into specified file")
|
|
;
|
|
|
|
Settings cmd_settings;
|
|
cmd_settings.addProgramOptions(main_description);
|
|
|
|
/// Commandline options related to external tables.
|
|
po::options_description external_description = createOptionsDescription("External tables options", terminal_width);
|
|
external_description.add_options()
|
|
("file", po::value<std::string>(), "data file or - for stdin")
|
|
("name", po::value<std::string>()->default_value("_data"), "name of the table")
|
|
("format", po::value<std::string>()->default_value("TabSeparated"), "data format")
|
|
("structure", po::value<std::string>(), "structure")
|
|
("types", po::value<std::string>(), "types")
|
|
;
|
|
|
|
/// Parse main commandline options.
|
|
po::parsed_options parsed = po::command_line_parser(common_arguments).options(main_description).run();
|
|
po::variables_map options;
|
|
po::store(parsed, options);
|
|
po::notify(options);
|
|
|
|
if (options.count("version") || options.count("V"))
|
|
{
|
|
showClientVersion();
|
|
exit(0);
|
|
}
|
|
|
|
if (options.count("version-clean"))
|
|
{
|
|
std::cout << VERSION_STRING;
|
|
exit(0);
|
|
}
|
|
|
|
/// Output of help message.
|
|
if (options.count("help")
|
|
|| (options.count("host") && options["host"].as<std::string>() == "elp")) /// If user writes -help instead of --help.
|
|
{
|
|
std::cout << main_description << "\n";
|
|
std::cout << external_description << "\n";
|
|
std::cout << "In addition, --param_name=value can be specified for substitution of parameters for parametrized queries.\n";
|
|
exit(0);
|
|
}
|
|
|
|
if (options.count("log-level"))
|
|
Poco::Logger::root().setLevel(options["log-level"].as<std::string>());
|
|
|
|
size_t number_of_external_tables_with_stdin_source = 0;
|
|
for (size_t i = 0; i < external_tables_arguments.size(); ++i)
|
|
{
|
|
/// Parse commandline options related to external tables.
|
|
po::parsed_options parsed_tables = po::command_line_parser(external_tables_arguments[i]).options(external_description).run();
|
|
po::variables_map external_options;
|
|
po::store(parsed_tables, external_options);
|
|
|
|
try
|
|
{
|
|
external_tables.emplace_back(external_options);
|
|
if (external_tables.back().file == "-")
|
|
++number_of_external_tables_with_stdin_source;
|
|
if (number_of_external_tables_with_stdin_source > 1)
|
|
throw Exception("Two or more external tables has stdin (-) set as --file field", ErrorCodes::BAD_ARGUMENTS);
|
|
}
|
|
catch (const Exception & e)
|
|
{
|
|
std::string text = e.displayText();
|
|
std::cerr << "Code: " << e.code() << ". " << text << std::endl;
|
|
std::cerr << "Table №" << i << std::endl << std::endl;
|
|
exit(e.code());
|
|
}
|
|
}
|
|
|
|
context.makeGlobalContext();
|
|
context.setSettings(cmd_settings);
|
|
|
|
/// Copy settings-related program options to config.
|
|
/// TODO: Is this code necessary?
|
|
for (const auto & setting : context.getSettingsRef())
|
|
{
|
|
const String name = setting.getName().toString();
|
|
if (options.count(name))
|
|
config().setString(name, options[name].as<std::string>());
|
|
}
|
|
|
|
if (options.count("config-file") && options.count("config"))
|
|
throw Exception("Two or more configuration files referenced in arguments", ErrorCodes::BAD_ARGUMENTS);
|
|
|
|
/// Save received data into the internal config.
|
|
if (options.count("config-file"))
|
|
config().setString("config-file", options["config-file"].as<std::string>());
|
|
if (options.count("config"))
|
|
config().setString("config-file", options["config"].as<std::string>());
|
|
if (options.count("host") && !options["host"].defaulted())
|
|
config().setString("host", options["host"].as<std::string>());
|
|
if (options.count("query_id"))
|
|
config().setString("query_id", options["query_id"].as<std::string>());
|
|
if (options.count("query"))
|
|
config().setString("query", options["query"].as<std::string>());
|
|
if (options.count("database"))
|
|
config().setString("database", options["database"].as<std::string>());
|
|
if (options.count("pager"))
|
|
config().setString("pager", options["pager"].as<std::string>());
|
|
|
|
if (options.count("port") && !options["port"].defaulted())
|
|
config().setInt("port", options["port"].as<int>());
|
|
if (options.count("secure"))
|
|
config().setBool("secure", true);
|
|
if (options.count("user") && !options["user"].defaulted())
|
|
config().setString("user", options["user"].as<std::string>());
|
|
if (options.count("password"))
|
|
config().setString("password", options["password"].as<std::string>());
|
|
if (options.count("ask-password"))
|
|
config().setBool("ask-password", true);
|
|
if (options.count("quota_key"))
|
|
config().setString("quota_key", options["quota_key"].as<std::string>());
|
|
if (options.count("multiline"))
|
|
config().setBool("multiline", true);
|
|
if (options.count("multiquery"))
|
|
config().setBool("multiquery", true);
|
|
if (options.count("testmode"))
|
|
config().setBool("testmode", true);
|
|
if (options.count("ignore-error"))
|
|
config().setBool("ignore-error", true);
|
|
if (options.count("format"))
|
|
config().setString("format", options["format"].as<std::string>());
|
|
if (options.count("vertical"))
|
|
config().setBool("vertical", true);
|
|
if (options.count("stacktrace"))
|
|
config().setBool("stacktrace", true);
|
|
if (options.count("progress"))
|
|
config().setBool("progress", true);
|
|
if (options.count("echo"))
|
|
config().setBool("echo", true);
|
|
if (options.count("time"))
|
|
print_time_to_stderr = true;
|
|
if (options.count("max_client_network_bandwidth"))
|
|
max_client_network_bandwidth = options["max_client_network_bandwidth"].as<int>();
|
|
if (options.count("compression"))
|
|
config().setBool("compression", options["compression"].as<bool>());
|
|
if (options.count("server_logs_file"))
|
|
server_logs_file = options["server_logs_file"].as<std::string>();
|
|
if (options.count("disable_suggestion"))
|
|
config().setBool("disable_suggestion", true);
|
|
if (options.count("suggestion_limit"))
|
|
config().setInt("suggestion_limit", options["suggestion_limit"].as<int>());
|
|
|
|
argsToConfig(common_arguments, config(), 100);
|
|
|
|
}
|
|
};
|
|
|
|
}
|
|
|
|
#pragma GCC diagnostic ignored "-Wunused-function"
|
|
#pragma GCC diagnostic ignored "-Wmissing-declarations"
|
|
|
|
int mainEntryClickHouseClient(int argc, char ** argv)
|
|
{
|
|
try
|
|
{
|
|
DB::Client client;
|
|
client.init(argc, argv);
|
|
return client.run();
|
|
}
|
|
catch (const boost::program_options::error & e)
|
|
{
|
|
std::cerr << "Bad arguments: " << e.what() << std::endl;
|
|
return 1;
|
|
}
|
|
catch (...)
|
|
{
|
|
std::cerr << DB::getCurrentExceptionMessage(true) << std::endl;
|
|
return 1;
|
|
}
|
|
}
|