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Processors: experimental [#CLICKHOUSE-2948]

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Alexey Milovidov 2018-05-20 08:28:48 +03:00
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dbms/src/Processors/Processor.h
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@ -61,6 +61,9 @@
* Concat. Has many inputs but only one output. Pulls all data from first input, then all data from second input, etc. and pushes it to output.
*
* Ordered merge. Has many inputs but only one output. Pulls data from selected input in specific order, merges and pushes it to output.
*
* Fork. Has one input and many outputs. Pulls data from input and copies it to all outputs.
* Used to process multiple queries with common source of data.
*/
namespace DB