duckdb_connection-class: DuckDB connection class

In duckdb: DBI Package for the DuckDB Database Management System

DuckDB connection class

Description

Implements DBI::DBIConnection.

Usage

## S4 method for signature 'duckdb_connection'
dbAppendTable(conn, name, value, ..., row.names = NULL)

## S4 method for signature 'duckdb_connection'
dbBegin(conn, ...)

## S4 method for signature 'duckdb_connection'
dbCommit(conn, ...)

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

## S4 method for signature 'duckdb_connection,ANY'
dbExistsTable(conn, name, ...)

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

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

## S4 method for signature 'duckdb_connection,character'
dbListFields(conn, name, ...)

## S4 method for signature 'duckdb_connection'
dbListTables(conn, ...)

## S4 method for signature 'duckdb_connection,ANY'
dbQuoteIdentifier(conn, x, ...)

## S4 method for signature 'duckdb_connection'
dbQuoteLiteral(conn, x, ...)

## S4 method for signature 'duckdb_connection,character'
dbRemoveTable(conn, name, ..., fail_if_missing = TRUE)

## S4 method for signature 'duckdb_connection'
dbRollback(conn, ...)

## S4 method for signature 'duckdb_connection,character'
dbSendQuery(conn, statement, params = NULL, ..., arrow = FALSE)

## S4 method for signature 'duckdb_connection,character,data.frame'
dbWriteTable(
  conn,
  name,
  value,
  ...,
  row.names = FALSE,
  overwrite = FALSE,
  append = FALSE,
  field.types = NULL,
  temporary = FALSE
)

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

Arguments

conn	A duckdb_connection object as returned by DBI::dbConnect()
name	The table name, passed on to dbQuoteIdentifier(). Options are: a character string with the unquoted DBMS table name, e.g. "table_name", a call to Id() with components to the fully qualified table name, e.g. Id(schema = "my_schema", table = "table_name") a call to SQL() with the quoted and fully qualified table name given verbatim, e.g. SQL('"my_schema"."table_name"')
value	A data.frame (or coercible to data.frame).
...	Other parameters passed on to methods.
row.names	Whether the row.names of the data.frame should be preserved
dbObj	An object inheriting from class duckdb_connection.
obj	An R object whose SQL type we want to determine.
statement	a character string containing SQL.
params	For dbBind(), a list of values, named or unnamed, or a data frame, with one element/column per query parameter. For dbBindArrow(), values as a nanoarrow stream, with one column per query parameter.
arrow	Whether the query should be returned as an Arrow Table
overwrite	If a table with the given name already exists, should it be overwritten?
append	If a table with the given name already exists, just try to append the passed data to it
field.types	Override the auto-generated SQL types
temporary	Should the created table be temporary?
object	Any R object

duckdb documentation built on Aug. 8, 2025, 7:20 p.m.