Database.ClickHouseDriver.Block

This module provides functions for handling data streaming communications. For internal use only.

Documentation

data BlockInfo

Constructors

Info

Fields

• is_overflows :: !Bool
• bucket_num :: !Int32

Instances

Show BlockInfo

Defined in Database.ClickHouseDriver.Types

Methods

showsPrec :: Int -> BlockInfo -> ShowS

show :: BlockInfo -> String

showList :: [BlockInfo] -> ShowS

writeInfo :: BlockInfo -> Writer Builder

write block informamtion to string builder

readInfo :: BlockInfo -> Reader BlockInfo

read information from block information

readBlockInputStream :: ServerInfo -> Reader Block

Read a stream of data into a block. Data are read into column type

data Block

Constructors

ColumnOrientedBlock

Fields

• columns_with_type :: Vector (ByteString, ByteString)
• cdata :: Vector (Vector ClickhouseType)
• info :: BlockInfo

Instances

Show Block

Defined in Database.ClickHouseDriver.Types

Methods

showsPrec :: Int -> Block -> ShowS

show :: Block -> String

showList :: [Block] -> ShowS

defaultBlockInfo :: BlockInfo

writeBlockOutputStream :: Context -> Block -> Writer Builder

write data from column type into string builder.

defaultBlock :: Block