Table.Partition

Partitions the table into a list of tables based on the number of groups and column specified.

function (table as table, column as text, groups as number, hash as function) as list

Description

Partitions the table into a list of groups number of tables, based on the value of the column and a hash function. The hash function is applied to the value of the column row to obtain a hash value for the row. The hash value modulo groups determines in which of the returned tables the row will be placed.

Category

Table.Row operations

Examples

Partition the table ({[a = 2, b = 4], [a = 6, b = 8], [a = 2, b = 4], [a = 1, b = 4]}) into 2 tables on column [a], using the value of the columns as the hash function.

Table.Partition(Table.FromRecords({[a = 2, b = 4], [a = 1, b = 4], [a = 2, b = 4], [a = 1, b = 4]}), "a", 2, each _)

{ Table.FromRecords({[a = 2, b = 4], [a = 2, b = 4]}, { "a", "b" }), Table.FromRecords({[a = 1, b = 4], [a = 1, b = 4]}, { "a", "b" }) }