BinaryQuery: Unpack and return a SciDB query expression as a data frame

View source: R/generic_connection.R

BinaryQueryR Documentation

Unpack and return a SciDB query expression as a data frame

Description

Unpack and return a SciDB query expression as a data frame

Usage

BinaryQuery(
  db,
  query_or_scidb,
  binary = TRUE,
  buffer_size = NULL,
  only_attributes = NULL,
  schema = NULL,
  ...
)

Arguments

db

scidb database connection object

query_or_scidb

A SciDB query expression or scidb object

binary

optional logical value. If FALSE use text transfer, otherwise binary transfer. Defaults to TRUE.

buffer_size

optional integer. Initial parse buffer size in bytes, adaptively resized as needed. Larger buffers can be faster but consume more memory. Default size is determined by the connection implementation.

only_attributes

optional logical value. TRUE means don't retrieve dimension coordinates, only return attribute values. Logically defaults to FALSE (but the default is actually NULL because shim needs to set it to TRUE when the query result is a SciDB dataframe)

schema

optional result schema string, only applies when query is not a SciDB object. Supplying this avoids one extra metadata query to determine result schema. Defaults to schema(query).

...

other args get passed to the subclass implementation


Paradigm4/SciDBR documentation built on Nov. 9, 2023, 4:58 a.m.