Table.FromPartitions

Syntax

Table.FromPartitions(
    partitionColumn as text,
    partitions as list,
    optional partitionColumnType as nullable type
) as table

About

Returns a table that is the result of combining a set of partitioned tables, partitions. partitionColumn is the name of the column to add. The type of the column defaults to any, but can be specified by partitionColumnType.

Example

Find item type from the list {number}.

Usage

Table.FromPartitions(
    "Year",
    {
        {
            1994,
            Table.FromPartitions(
                "Month",
                {
                    {
                        "Jan",
                        Table.FromPartitions(
                            "Day",
                            {
                                {1, #table({"Foo"}, {{"Bar"}})},
                                {2, #table({"Foo"}, {{"Bar"}})}
                            }
                        )
                    },
                    {
                        "Feb",
                        Table.FromPartitions(
                            "Day",
                            {
                                {3, #table({"Foo"}, {{"Bar"}})},
                                {4, #table({"Foo"}, {{"Bar"}})}
                            }
                        )
                    }
                }
            )
        }
    }
)

Output

Table.FromRecords({
    [
        Foo = "Bar",
        Day = 1,
        Month = "Jan",
        Year = 1994
    ],
    [
        Foo = "Bar",
        Day = 2,
        Month = "Jan",
        Year = 1994
    ],
    [
        Foo = "Bar",
        Day = 3,
        Month = "Feb",
        Year = 1994
    ],
    [
        Foo = "Bar",
        Day = 4,
        Month = "Feb",
        Year = 1994
    ]
})

Related content

• Types and type conversion