title sidebar_label description
Boolean functions Boolean Boolean function reference documentation.

This page describes the available functions to assist with performing boolean calculations on numeric and timestamp types.

isOrdered

isOrdered(column) return a boolean indicating whether the column values are ordered in a table.

Arguments:

  • column is a column name of numeric or timestamp type.

Return value:

Return value type is boolean.

Examples:

Given a table with the following contents:

numeric_sequence ts
1 2021-05-01T11:00:00.000000Z
2 2021-05-01T12:00:00.000000Z
3 2021-05-01T13:00:00.000000Z

1. SELECT isOrdered(numeric_sequence) is_num_ordered,
2. isOrdered(ts) is_ts_ordered
3. FROM my_table

is_num_ordered is_ts_ordered
true true

Adding an integer and timestamp rows out-of-order

numeric_sequence ts
1 2021-05-01T11:00:00.000000Z
2 2021-05-01T12:00:00.000000Z
3 2021-05-01T13:00:00.000000Z
2 2021-05-01T12:00:00.000000Z

1. SELECT isOrdered(numeric_sequence) FROM my_table

is_num_ordered is_ts_ordered
false false