Class: ChConnect::NativeFormatParser Private

Inherits:

Object

• Object
• ChConnect::NativeFormatParser

Defined in:

lib/ch_connect/native_format_parser.rb

Overview

This class is part of a private API. You should avoid using this class if possible, as it may be removed or be changed in the future.

Parser for ClickHouse Native binary format.

Constant Summary

DATE_EPOCH =

This constant is part of a private API. You should avoid using this constant if possible, as it may be removed or be changed in the future.

Date.new(1970, 1, 1)

Instance Method Summary

• #initialize(body) ⇒ NativeFormatParser constructor private

  Creates a new parser.

• #parse ⇒ Response private

  Parses the response body and returns a Response.

Constructor Details

#initialize(body) ⇒ NativeFormatParser

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.

Creates a new parser.

Parameters:

• body (#read) —

  response body to parse

# File 'lib/ch_connect/native_format_parser.rb', line 15

def initialize(body)
  @reader = BodyReader.new(body)
  @columns = []
  @types = []
  @rows = []
end

Instance Method Details

#parse ⇒ Response

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.

Parses the response body and returns a Response.

Returns:

• (Response) —

  parsed response with columns, types, and rows

Raises:

• (UnsupportedTypeError) —

  if an unsupported data type is encountered

# File 'lib/ch_connect/native_format_parser.rb', line 26

def parse
  parse_block until @reader.eof?
  Response.new(columns: @columns, types: @types, rows: @rows)
ensure
  @reader.close
end