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Version: Python

move_columns

The move_columns method creates a new table with specified columns moved to a specific column index value.

Syntax

table.move_columns(idx=indexValue, cols=[columnNames...])

Parameters

ParameterTypeDescription
indexValueint

Column index where the specified columns will be moved in the new table. The index is zero-based, so column index number 2 would be the third column.

columnNamesString...

Columns to be moved.

Returns

A new table with specified columns moved to a specific column index value.

Examples

The following example moves column C to the second position (1st index) in the new table.

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.move_columns(idx=1, cols=["C"])

The following example moves columns B and C to the second position (1st index) and third position in the new table.

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.move_columns(idx=1, cols=["C", "D"])