Create DuckDB from Parquet files

Creates or updates a DuckDB database from a collection of Parquet files.

Usage

create_duckdb_from_parquet(
  parquet_files,
  db_path = ":memory:",
  table_names = NULL
)

Arguments

parquet_files

Named list or vector of Parquet file paths

db_path

Path for DuckDB file (default: ":memory:")

table_names

Optional table names (default: derived from file names)

Value

DuckDB connection with loaded tables

Examples

if (FALSE) { # \dontrun{
# create from multiple parquet files
con <- create_duckdb_from_parquet(
  c("parquet/bottle.parquet", "parquet/cast.parquet"),
  db_path = "calcofi.duckdb")

# with explicit table names
con <- create_duckdb_from_parquet(
  parquet_files = c(
    bottle = "parquet/bottle.parquet",
    cast   = "parquet/cast.parquet"),
  db_path = "calcofi.duckdb")
} # }