Extract the century from underlying representation

Description

Returns the century number in the calendar date.

Usage

<Expr>$dt$century()

Value

A polars expression

Examples

library("polars")

df <- pl$DataFrame(
  date = as.Date(
    c("999-12-31", "1897-05-07", "2000-01-01", "2001-07-05", "3002-10-20")
  )
)
df$with_columns(
  century = pl$col("date")$dt$century()
)

#> shape: (5, 2)
#> ┌────────────┬─────────┐
#> │ date       ┆ century │
#> │ ---        ┆ ---     │
#> │ date       ┆ i32     │
#> ╞════════════╪═════════╡
#> │ 0999-12-31 ┆ 10      │
#> │ 1897-05-07 ┆ 19      │
#> │ 2000-01-01 ┆ 20      │
#> │ 2001-07-05 ┆ 21      │
#> │ 3002-10-20 ┆ 31      │
#> └────────────┴─────────┘