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Version: Python

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

table.drop_columns(cols=[columnNames...])

Parameters

ParameterTypeDescription
columnNamesString...

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"])