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6a9dd9828d
Defines.h is a very common header, so lots of modules will be recompiled on changes. Move macros for protocol into separate header, this should significantly decreases number of units to compile on it's changes.
117 lines
3.3 KiB
C++
117 lines
3.3 KiB
C++
#include <Interpreters/TablesStatus.h>
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#include <IO/ReadBuffer.h>
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#include <IO/WriteBuffer.h>
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#include <IO/ReadHelpers.h>
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#include <IO/WriteHelpers.h>
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#include <Core/ProtocolDefines.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 TOO_LARGE_ARRAY_SIZE;
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extern const int LOGICAL_ERROR;
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}
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void TableStatus::write(WriteBuffer & out) const
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{
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writeBinary(is_replicated, out);
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if (is_replicated)
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{
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writeVarUInt(absolute_delay, out);
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}
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}
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void TableStatus::read(ReadBuffer & in)
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{
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absolute_delay = 0;
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readBinary(is_replicated, in);
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if (is_replicated)
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{
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readVarUInt(absolute_delay, in);
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}
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}
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void TablesStatusRequest::write(WriteBuffer & out, UInt64 server_protocol_revision) const
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{
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if (server_protocol_revision < DBMS_MIN_REVISION_WITH_TABLES_STATUS)
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throw Exception(
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"Logical error: method TablesStatusRequest::write is called for unsupported server revision",
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ErrorCodes::LOGICAL_ERROR);
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writeVarUInt(tables.size(), out);
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for (const auto & table_name : tables)
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{
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writeBinary(table_name.database, out);
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writeBinary(table_name.table, out);
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}
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}
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void TablesStatusRequest::read(ReadBuffer & in, UInt64 client_protocol_revision)
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{
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if (client_protocol_revision < DBMS_MIN_REVISION_WITH_TABLES_STATUS)
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throw Exception(
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"method TablesStatusRequest::read is called for unsupported client revision",
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ErrorCodes::LOGICAL_ERROR);
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size_t size = 0;
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readVarUInt(size, in);
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if (size > DEFAULT_MAX_STRING_SIZE)
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throw Exception("Too large collection size.", ErrorCodes::TOO_LARGE_ARRAY_SIZE);
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for (size_t i = 0; i < size; ++i)
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{
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QualifiedTableName table_name;
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readBinary(table_name.database, in);
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readBinary(table_name.table, in);
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tables.emplace(std::move(table_name));
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}
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}
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void TablesStatusResponse::write(WriteBuffer & out, UInt64 client_protocol_revision) const
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{
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if (client_protocol_revision < DBMS_MIN_REVISION_WITH_TABLES_STATUS)
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throw Exception(
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"method TablesStatusResponse::write is called for unsupported client revision",
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ErrorCodes::LOGICAL_ERROR);
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writeVarUInt(table_states_by_id.size(), out);
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for (const auto & kv: table_states_by_id)
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{
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const QualifiedTableName & table_name = kv.first;
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writeBinary(table_name.database, out);
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writeBinary(table_name.table, out);
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const TableStatus & status = kv.second;
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status.write(out);
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}
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}
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void TablesStatusResponse::read(ReadBuffer & in, UInt64 server_protocol_revision)
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{
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if (server_protocol_revision < DBMS_MIN_REVISION_WITH_TABLES_STATUS)
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throw Exception(
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"method TablesStatusResponse::read is called for unsupported server revision",
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ErrorCodes::LOGICAL_ERROR);
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size_t size = 0;
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readVarUInt(size, in);
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if (size > DEFAULT_MAX_STRING_SIZE)
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throw Exception("Too large collection size.", ErrorCodes::TOO_LARGE_ARRAY_SIZE);
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for (size_t i = 0; i < size; ++i)
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{
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QualifiedTableName table_name;
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readBinary(table_name.database, in);
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readBinary(table_name.table, in);
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TableStatus status;
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status.read(in);
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table_states_by_id.emplace(std::move(table_name), std::move(status));
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}
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}
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}
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