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Methods for accessing result sets for queries on DuckDB connections. Implements DBIResult.

Usage

duckdb_fetch_arrow(res, chunk_size = 1e+06)

duckdb_fetch_record_batch(res, chunk_size = 1e+06)

# S4 method for duckdb_result
dbBind(res, params, ...)

# S4 method for duckdb_result
dbClearResult(res, ...)

# S4 method for duckdb_result
dbColumnInfo(res, ...)

# S4 method for duckdb_result
dbFetch(res, n = -1, ...)

# S4 method for duckdb_result
dbGetInfo(dbObj, ...)

# S4 method for duckdb_result
dbGetRowCount(res, ...)

# S4 method for duckdb_result
dbGetRowsAffected(res, ...)

# S4 method for duckdb_result
dbGetStatement(res, ...)

# S4 method for duckdb_result
dbHasCompleted(res, ...)

# S4 method for duckdb_result
dbIsValid(dbObj, ...)

# S4 method for duckdb_result
show(object)

Arguments

res

Query result to be converted to a Record Batch Reader

chunk_size

The chunk size

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.

...

Other arguments passed on to methods.

n

maximum number of records to retrieve per fetch. Use n = -1 or n = Inf to retrieve all pending records. Some implementations may recognize other special values.

dbObj

An object inheriting from DBIObject, i.e. DBIDriver, DBIConnection, or a DBIResult

object

Any R object