mirror of
https://github.com/ClickHouse/ClickHouse.git
synced 2024-11-19 22:22:00 +00:00
97 lines
3.6 KiB
C++
97 lines
3.6 KiB
C++
#include <DB/Storages/StorageSystemMerges.h>
|
|
#include <DB/DataTypes/DataTypeString.h>
|
|
#include <DB/DataTypes/DataTypesNumberFixed.h>
|
|
#include <DB/Columns/ColumnString.h>
|
|
#include <DB/DataStreams/OneBlockInputStream.h>
|
|
#include <DB/Interpreters/Context.h>
|
|
#include <DB/Storages/MergeTree/MergeList.h>
|
|
|
|
|
|
namespace DB
|
|
{
|
|
|
|
StorageSystemMerges::StorageSystemMerges(const std::string & name)
|
|
: name{name}
|
|
, columns{
|
|
{ "database", new DataTypeString },
|
|
{ "table", new DataTypeString },
|
|
{ "elapsed", new DataTypeFloat64 },
|
|
{ "progress", new DataTypeFloat64 },
|
|
{ "num_parts", new DataTypeUInt64 },
|
|
{ "result_part_name", new DataTypeString },
|
|
{ "total_size_bytes_compressed", new DataTypeUInt64 },
|
|
{ "total_size_marks", new DataTypeUInt64 },
|
|
{ "bytes_read_uncompressed", new DataTypeUInt64 },
|
|
{ "rows_read", new DataTypeUInt64 },
|
|
{ "bytes_written_uncompressed", new DataTypeUInt64 },
|
|
{ "rows_written", new DataTypeUInt64 }
|
|
}
|
|
{
|
|
}
|
|
|
|
StoragePtr StorageSystemMerges::create(const std::string & name)
|
|
{
|
|
return (new StorageSystemMerges{name})->thisPtr();
|
|
}
|
|
|
|
BlockInputStreams StorageSystemMerges::read(
|
|
const Names & column_names,
|
|
ASTPtr query,
|
|
const Context & context,
|
|
const Settings & settings,
|
|
QueryProcessingStage::Enum & processed_stage,
|
|
const size_t max_block_size,
|
|
const unsigned)
|
|
{
|
|
check(column_names);
|
|
processed_stage = QueryProcessingStage::FetchColumns;
|
|
|
|
ColumnWithTypeAndName col_database{new ColumnString, new DataTypeString, "database"};
|
|
ColumnWithTypeAndName col_table{new ColumnString, new DataTypeString, "table"};
|
|
ColumnWithTypeAndName col_elapsed{new ColumnFloat64, new DataTypeFloat64, "elapsed"};
|
|
ColumnWithTypeAndName col_progress{new ColumnFloat64, new DataTypeFloat64, "progress"};
|
|
ColumnWithTypeAndName col_num_parts{new ColumnUInt64, new DataTypeUInt64, "num_parts"};
|
|
ColumnWithTypeAndName col_result_part_name{new ColumnString, new DataTypeString, "result_part_name"};
|
|
ColumnWithTypeAndName col_total_size_bytes_compressed{new ColumnUInt64, new DataTypeUInt64, "total_size_bytes_compressed"};
|
|
ColumnWithTypeAndName col_total_size_marks{new ColumnUInt64, new DataTypeUInt64, "total_size_marks"};
|
|
ColumnWithTypeAndName col_bytes_read_uncompressed{new ColumnUInt64, new DataTypeUInt64, "bytes_read_uncompressed"};
|
|
ColumnWithTypeAndName col_rows_read{new ColumnUInt64, new DataTypeUInt64, "rows_read"};
|
|
ColumnWithTypeAndName col_bytes_written_uncompressed{new ColumnUInt64, new DataTypeUInt64, "bytes_written_uncompressed"};
|
|
ColumnWithTypeAndName col_rows_written{new ColumnUInt64, new DataTypeUInt64, "rows_written"};
|
|
|
|
for (const auto & merge : context.getMergeList().get())
|
|
{
|
|
col_database.column->insert(merge.database);
|
|
col_table.column->insert(merge.table);
|
|
col_elapsed.column->insert(merge.watch.elapsedSeconds());
|
|
col_progress.column->insert(merge.progress);
|
|
col_num_parts.column->insert(merge.num_parts);
|
|
col_result_part_name.column->insert(merge.result_part_name);
|
|
col_total_size_bytes_compressed.column->insert(merge.total_size_bytes_compressed);
|
|
col_total_size_marks.column->insert(merge.total_size_marks);
|
|
col_bytes_read_uncompressed.column->insert(merge.bytes_read_uncompressed);
|
|
col_rows_read.column->insert(merge.rows_read);
|
|
col_bytes_written_uncompressed.column->insert(merge.bytes_written_uncompressed);
|
|
col_rows_written.column->insert(merge.rows_written);
|
|
}
|
|
|
|
Block block{
|
|
col_database,
|
|
col_table,
|
|
col_elapsed,
|
|
col_progress,
|
|
col_num_parts,
|
|
col_result_part_name,
|
|
col_total_size_bytes_compressed,
|
|
col_total_size_marks,
|
|
col_bytes_read_uncompressed,
|
|
col_rows_read,
|
|
col_bytes_written_uncompressed,
|
|
col_rows_written
|
|
};
|
|
|
|
return BlockInputStreams{1, new OneBlockInputStream{block}};
|
|
}
|
|
|
|
}
|