The read_parquet(...) SQL for a resolved source

The read_parquet(...) SQL for a resolved source

Usage

cc_read_parquet_sql(src, paths = NULL, prefer_single_file = FALSE)

Arguments

src

result of cc_release_sources()

paths

override the paths to read (e.g. local downloads); default src$urls

prefer_single_file

when TRUE and src has a single_file twin, read that one object instead of the partition list (for https-only readers that cannot expand a glob). Ignored when paths is given.

Value

a length-one character SQL fragment