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Removed very old protocol compatibility features [#CLICKHOUSE-2].

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This commit is contained in:
Alexey Milovidov 2017-08-16 23:27:35 +03:00
parent eb88391655
commit 16d6c4f9e7
8 changed files with 16 additions and 43 deletions
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23
dbms/src/Client/Connection.cpp
View File

@ -351,8 +351,8 @@ void Connection::sendQuery(
block_in.reset();
block_out.reset();
/// If server version is new enough, send empty block which meand end of data.
if (server_revision >= DBMS_MIN_REVISION_WITH_TEMPORARY_TABLES && !with_pending_data)
/// Send empty block which means end of data.
if (!with_pending_data)
{
sendData(Block());
out->next();
@ -384,9 +384,7 @@ void Connection::sendData(const Block & block, const String & name)
}
writeVarUInt(Protocol::Client::Data, *out);
if (server_revision >= DBMS_MIN_REVISION_WITH_TEMPORARY_TABLES)
writeStringBinary(name, *out);
writeStringBinary(name, *out);
size_t prev_bytes = out->count();
@ -405,9 +403,7 @@ void Connection::sendPreparedData(ReadBuffer & input, size_t size, const String
/// NOTE 'Throttler' is not used in this method (could use, but it's not important right now).
writeVarUInt(Protocol::Client::Data, *out);
if (server_revision >= DBMS_MIN_REVISION_WITH_TEMPORARY_TABLES)
writeStringBinary(name, *out);
writeStringBinary(name, *out);
if (0 == size)
copyData(input, *out);
@ -419,13 +415,6 @@ void Connection::sendPreparedData(ReadBuffer & input, size_t size, const String
void Connection::sendExternalTablesData(ExternalTablesData & data)
{
/// If working with older server, don't send any info.
if (server_revision < DBMS_MIN_REVISION_WITH_TEMPORARY_TABLES)
{
out->next();
return;
}
if (data.empty())
{
/// Send empty block, which means end of data transfer.
@ -552,9 +541,7 @@ Block Connection::receiveData()
initBlockInput();
String external_table_name;
if (server_revision >= DBMS_MIN_REVISION_WITH_TEMPORARY_TABLES)
readStringBinary(external_table_name, *in);
readStringBinary(external_table_name, *in);
size_t prev_bytes = in->count();

3
dbms/src/Core/Defines.h
View File

@ -61,9 +61,6 @@
/// Name suffix for the column containing the array offsets.
#define ARRAY_SIZES_COLUMN_NAME_SUFFIX ".size"
#define DBMS_MIN_REVISION_WITH_TEMPORARY_TABLES 50264
#define DBMS_MIN_REVISION_WITH_TOTAL_ROWS_IN_PROGRESS 51554
#define DBMS_MIN_REVISION_WITH_BLOCK_INFO 51903
#define DBMS_MIN_REVISION_WITH_CLIENT_INFO 54032
#define DBMS_MIN_REVISION_WITH_SERVER_TIMEZONE 54058
#define DBMS_MIN_REVISION_WITH_QUOTA_KEY_IN_CLIENT_INFO 54060

8
dbms/src/Core/Progress.cpp
View File

@ -17,9 +17,7 @@ void Progress::read(ReadBuffer & in, UInt64 server_revision)
readVarUInt(new_rows, in);
readVarUInt(new_bytes, in);
if (server_revision >= DBMS_MIN_REVISION_WITH_TOTAL_ROWS_IN_PROGRESS)
readVarUInt(new_total_rows, in);
readVarUInt(new_total_rows, in);
rows = new_rows;
bytes = new_bytes;
@ -31,9 +29,7 @@ void Progress::write(WriteBuffer & out, UInt64 client_revision) const
{
writeVarUInt(rows.load(), out);
writeVarUInt(bytes.load(), out);
if (client_revision >= DBMS_MIN_REVISION_WITH_TOTAL_ROWS_IN_PROGRESS)
writeVarUInt(total_rows.load(), out);
writeVarUInt(total_rows.load(), out);
}

2
dbms/src/DataStreams/NativeBlockInputStream.cpp
View File

@ -106,7 +106,7 @@ Block NativeBlockInputStream::readImpl()
}
/// Additional information about the block.
if (server_revision >= DBMS_MIN_REVISION_WITH_BLOCK_INFO)
if (server_revision > 0)
res.info.read(istr);
/// Dimensions

3
dbms/src/DataStreams/NativeBlockInputStream.h
View File

@ -60,8 +60,7 @@ struct IndexForNativeFormat
class NativeBlockInputStream : public IProfilingBlockInputStream
{
public:
/** If a non-zero server_revision is specified, additional block information may be expected and read,
* depending on what is supported for the specified revision.
/** If a non-zero server_revision is specified, additional block information may be expected and read.
*
* `index` is not required parameter. If set, only parts of columns specified in the index will be read.
*/

2
dbms/src/DataStreams/NativeBlockOutputStream.cpp
View File

@ -116,7 +116,7 @@ void NativeBlockOutputStream::writeData(const IDataType & type, const ColumnPtr
void NativeBlockOutputStream::write(const Block & block)
{
/// Additional information about the block.
if (client_revision >= DBMS_MIN_REVISION_WITH_BLOCK_INFO)
if (client_revision > 0)
block.info.write(ostr);
/// Dimensions

3
dbms/src/DataStreams/NativeBlockOutputStream.h
View File

@ -20,8 +20,7 @@ class CompressedWriteBuffer;
class NativeBlockOutputStream : public IBlockOutputStream
{
public:
/** If non-zero client_revision is specified, additional block information can be written,
* depending on what is supported for the specified revision.
/** If non-zero client_revision is specified, additional block information can be written.
*/
NativeBlockOutputStream(
WriteBuffer & ostr_, UInt64 client_revision_ = 0,

15
dbms/src/Server/TCPHandler.cpp
View File

@ -144,8 +144,7 @@ void TCPHandler::runImpl()
continue;
/// Get blocks of temporary tables
if (client_revision >= DBMS_MIN_REVISION_WITH_TEMPORARY_TABLES)
readData(global_settings);
readData(global_settings);
/// Reset the input stream, as we received an empty block while receiving external table data.
/// So, the stream has been marked as cancelled and we can't read from it anymore.
@ -416,8 +415,7 @@ void TCPHandler::sendTotals()
initBlockOutput();
writeVarUInt(Protocol::Server::Totals, *out);
if (client_revision >= DBMS_MIN_REVISION_WITH_TEMPORARY_TABLES)
writeStringBinary("", *out);
writeStringBinary("", *out);
state.block_out->write(totals);
state.maybe_compressed_out->next();
@ -438,8 +436,7 @@ void TCPHandler::sendExtremes()
initBlockOutput();
writeVarUInt(Protocol::Server::Extremes, *out);
if (client_revision >= DBMS_MIN_REVISION_WITH_TEMPORARY_TABLES)
writeStringBinary("", *out);
writeStringBinary("", *out);
state.block_out->write(extremes);
state.maybe_compressed_out->next();
@ -612,8 +609,7 @@ bool TCPHandler::receiveData()
/// The name of the temporary table for writing data, default to empty string
String external_table_name;
if (client_revision >= DBMS_MIN_REVISION_WITH_TEMPORARY_TABLES)
readStringBinary(external_table_name, *in);
readStringBinary(external_table_name, *in);
/// Read one block from the network and write it down
Block block = state.block_in->read();
@ -717,8 +713,7 @@ void TCPHandler::sendData(Block & block)
initBlockOutput();
writeVarUInt(Protocol::Server::Data, *out);
if (client_revision >= DBMS_MIN_REVISION_WITH_TEMPORARY_TABLES)
writeStringBinary("", *out);
writeStringBinary("", *out);
state.block_out->write(block);
state.maybe_compressed_out->next();