Table.ExpandTableColumn
Syntax
Table.ExpandTableColumn(table as table, column as text, columnNames as list, optional newColumnNames as nullable list) as table
About
Expands tables in table
[column
] into multiple rows and columns. columnNames
is used to select the columns to expand from the inner table. Specify newColumnNames
to avoid conflicts between existing columns and new columns.
Example 1
Expand table columns in [a]
in the table ({[t = {[a=1, b=2, c=3], [a=2,b=4,c=6]}, b = 2]})
into 3 columns [t.a]
, [t.b]
and [t.c]
.
Usage
Table.ExpandTableColumn(
Table.FromRecords({
[
t = Table.FromRecords({
[a = 1, b = 2, c = 3],
[a = 2, b = 4, c = 6]
}),
b = 2
]
}),
"t",
{"a", "b", "c"},
{"t.a", "t.b", "t.c"}
)
Output
Table.FromRecords({
[t.a = 1, t.b = 2, t.c = 3, b = 2],
[t.a = 2, t.b = 4, t.c = 6, b = 2]
})