RowNumber() mvSQL database function in Jitterbit App Builder
Summary
Sequentially numbers each row within a set, ordered by one or more columns, starting at 1. This function requires the ORDER BY
modifier and also supports the PARTITION BY
modifier. If the ORDER BY
is not unique within the set, each conflicting row is indexed sequentially in a nondeterministic way and may change between executions.
Syntax
ROWNUMBER(ORDER BY <column 1>)
ROWNUMBER(PARTITION BY <column 2> ORDER BY <column 1>)
Parameters
modifier
This function requires the ORDER BY
modifier and supports the PARTITION BY
modifier.
column 1
A reference to a column.
column 2
A reference to a column.
Returns
A sequential number assigned to each row in the query result set. The ORDER BY
modifier is required, and the PARTITION BY
modifier is optional and also supported. Depending on the modifiers used in the syntax the results will be sorted accordingly.
Examples
For the examples provided below, we will assume the following data is available to query:
CustomerId | ContactId | AddedOn |
---|---|---|
1 | 1 | 2023-04-01 |
1 | 2 | 2023-04-02 |
2 | 3 | 2023-04-01 |
2 | 3 | 2023-04-03 |
-
ROWNUMBER(ORDER BY AddedOn)
returns:RowNumber CustomerId ContactId AddedOn 1 1 1 2023-04-01 3 1 2 2023-04-02 2 2 3 2023-04-01 4 2 3 2023-04-03 -
ROWNUMBER(PARTITION BY CustomerId ORDER BY AddedOn)
returns:RowNumber CustomerId ContactId AddedOn 1 1 1 2023-04-01 2 1 2 2023-04-02 1 2 3 2023-04-01 2 2 3 2023-04-03 -
ROWNUMBER(PARTITION BY ContactId, Year(AddedOn) ORDER BY CustomerId, AddedOn)
returns:RowNumber CustomerId ContactId AddedOn 1 1 1 2023-04-01 1 1 2 2023-04-02 1 2 3 2023-04-01 2 2 3 2023-04-03