Inspect a dataset schema without collecting data — az_schema • quak

Uses DuckDB's DESCRIBE SELECT over a remote scan and returns only column names and DuckDB types.

Usage

az_schema(conn, url, format = NULL)

Arguments

conn: A DuckDB connection.
url: Character scalar. Azure Blob URL.
format: Optional format override. One of "parquet", "csv", "json", or "delta". When NULL, inferred from url.

Value

A tibble-like data frame with columns name and type.

Examples

if (FALSE) { # \dontrun{
# Requires a live Azure account, credentials, and network access.
conn <- az_conn()
az_schema(conn, "abfss://container@account/data/*.parquet")
} # }