drop_columns
The drop_columns method creates a table with the same number of rows as the source table but omits any columns included in the arguments.
Syntax
drop_columns(cols: Union[str, Sequence[str]]) -> Table
Parameters
| Parameter | Type | Description |
|---|---|---|
| cols | Union[str, Sequence[str]] | Columns that will be omitted in the new table. |
Returns
A new table that includes the same number of rows as the source table, with the specified column names omitted.
Examples
from deephaven import new_table
from deephaven.column import string_col, int_col
source = new_table(
[
string_col("A", ["apple", "apple", "orange", "orange", "plum", "plum"]),
int_col("B", [1, 1, 2, 2, 3, 3]),
string_col(
"C", ["Macoun", "Opal", "Navel", "Cara Cara ", "Greengage", "Mirabelle"]
),
int_col("D", [1, 2, 12, 3, 2, 3]),
]
)
result = source.drop_columns(cols=["B", "D"])
- source
- result