ClickhouseDriver-class: Class ClickhouseDriver

In RClickhouse: 'Yandex Clickhouse' Interface for R with Basic 'dplyr' Support

Class ClickhouseDriver

Description

This driver never needs to be unloaded and hence dbUnload() is a null-op.

Usage

clickhouse()

## S4 method for signature 'ClickhouseDriver'
show(object)

## S4 method for signature 'ClickhouseDriver'
dbGetInfo(dbObj, ...)

## S4 method for signature 'ClickhouseDriver'
dbIsValid(dbObj, ...)

## S4 method for signature 'ClickhouseDriver'
dbUnloadDriver(drv, ...)

loadConfig(CONFIG_PATHS, DEFAULT_PARAMS, pre_config)

## S4 method for signature 'ClickhouseDriver'
dbConnect(
  drv,
  host = "localhost",
  port = 9000,
  dbname = "default",
  user = "default",
  password = "",
  compression = "lz4",
  config_paths = c("./RClickhouse.yaml", "~/.R/RClickhouse.yaml",
    "/etc/RClickhouse.yaml"),
  Int64 = c("integer64", "integer", "numeric", "character"),
  toUTF8 = TRUE,
  ...
)

## S4 method for signature 'ClickhouseDriver'
dbDataType(dbObj, obj, ...)

Arguments

drv	ClickHouse database driver.
CONFIG_PATHS	a list of configuration paths
DEFAULT_PARAMS	a list of configuration defaults
pre_config	initialization set
host	name of the host on which the database is running.
port	port on which the database is listening.
dbname	name of the default database.
user	name of the user to connect as.
password	the user's password.
compression	the compression method for the connection (lz4 by default).
config_paths	paths where config files are searched for; order of paths denotes hierarchy (first string has highest priority etc.).
Int64	The R type that 64-bit integer types should be mapped to, default is [bit64::integer64], which allows the full range of 64 bit integers.
toUTF8	logical, should character variables be converted to UTF-8. Default is TRUE.

Value

a merged configuration

A database connection.

Examples

library(DBI)
RClickhouse::clickhouse()
## Not run: 
conn <- dbConnect(RClickhouse::clickhouse(), host="localhost")

## End(Not run)

RClickhouse documentation built on Aug. 21, 2023, 5:06 p.m.