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https://github.com/ClickHouse/ClickHouse.git
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117 lines
3.6 KiB
C++
117 lines
3.6 KiB
C++
#include <Parsers/IAST.h>
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#include <Parsers/ASTSystemQuery.h>
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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 BAD_TYPE_OF_FIELD;
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extern const int NOT_IMPLEMENTED;
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}
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const char * ASTSystemQuery::typeToString(Type type)
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{
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switch (type)
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{
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case Type::SHUTDOWN:
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return "SHUTDOWN";
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case Type::KILL:
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return "KILL";
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case Type::DROP_DNS_CACHE:
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return "DROP DNS CACHE";
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case Type::DROP_MARK_CACHE:
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return "DROP MARK CACHE";
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case Type::DROP_UNCOMPRESSED_CACHE:
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return "DROP UNCOMPRESSED CACHE";
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#if USE_EMBEDDED_COMPILER
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case Type::DROP_COMPILED_EXPRESSION_CACHE:
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return "DROP COMPILED EXPRESSION CACHE";
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#endif
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case Type::STOP_LISTEN_QUERIES:
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return "STOP LISTEN QUERIES";
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case Type::START_LISTEN_QUERIES:
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return "START LISTEN QUERIES";
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case Type::RESTART_REPLICAS:
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return "RESTART REPLICAS";
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case Type::RESTART_REPLICA:
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return "RESTART REPLICA";
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case Type::SYNC_REPLICA:
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return "SYNC REPLICA";
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case Type::RELOAD_DICTIONARY:
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return "RELOAD DICTIONARY";
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case Type::RELOAD_DICTIONARIES:
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return "RELOAD DICTIONARIES";
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case Type::RELOAD_EMBEDDED_DICTIONARIES:
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return "RELOAD EMBEDDED DICTIONARIES";
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case Type::RELOAD_CONFIG:
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return "RELOAD CONFIG";
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case Type::STOP_MERGES:
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return "STOP MERGES";
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case Type::START_MERGES:
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return "START MERGES";
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case Type::STOP_FETCHES:
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return "STOP FETCHES";
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case Type::START_FETCHES:
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return "START FETCHES";
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case Type::STOP_REPLICATED_SENDS:
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return "STOP REPLICATED SENDS";
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case Type::START_REPLICATED_SENDS:
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return "START REPLICATED SENDS";
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case Type::STOP_REPLICATION_QUEUES:
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return "STOP REPLICATION QUEUES";
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case Type::START_REPLICATION_QUEUES:
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return "START REPLICATION QUEUES";
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case Type::FLUSH_LOGS:
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return "FLUSH LOGS";
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default:
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throw Exception("Unknown SYSTEM query command", ErrorCodes::BAD_TYPE_OF_FIELD);
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}
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}
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void ASTSystemQuery::formatImpl(const FormatSettings & settings, FormatState &, FormatStateStacked) const
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{
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settings.ostr << (settings.hilite ? hilite_keyword : "") << "SYSTEM " << (settings.hilite ? hilite_none : "");
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settings.ostr << typeToString(type);
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auto print_database_table = [&] ()
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{
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settings.ostr << " ";
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if (!target_database.empty())
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{
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settings.ostr << (settings.hilite ? hilite_identifier : "") << backQuoteIfNeed(target_database)
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<< (settings.hilite ? hilite_none : "") << ".";
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}
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settings.ostr << (settings.hilite ? hilite_identifier : "") << backQuoteIfNeed(target_table)
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<< (settings.hilite ? hilite_none : "");
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};
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if ( type == Type::STOP_MERGES
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|| type == Type::START_MERGES
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|| type == Type::STOP_FETCHES
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|| type == Type::START_FETCHES
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|| type == Type::STOP_REPLICATED_SENDS
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|| type == Type::START_REPLICATED_SENDS
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|| type == Type::STOP_REPLICATION_QUEUES
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|| type == Type::START_REPLICATION_QUEUES)
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{
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if (!target_table.empty())
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print_database_table();
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}
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else if (type == Type::RESTART_REPLICA || type == Type::SYNC_REPLICA)
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{
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print_database_table();
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}
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else if (type == Type::RELOAD_DICTIONARY)
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settings.ostr << " " << backQuoteIfNeed(target_dictionary);
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}
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}
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