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PQL46 (PQL Function Library - CPM 4.6)

MOVING_COUNT

Applies to: CELONIS 4.3 CELONIS 4.4 CELONIS 4.5 CELONIS 4.6

Description

This function counts the values for each window. It can be applied to any data type.

Syntax
MOVING_COUNT ( table.column, start, end )
NULL handling

NULL values are not counted. If all values of a group are NULL, the result for this group is 0.

Examples

[1] Count of values for current row and one row above.

Query

Column1

"Table1"."MONTH"

Column2

MOVING_COUNT ( "Table1"."INCOME" , - 1 , 0 )

Input

Output

Table1

MONTH : INT

INCOME : INT

1

100

1

100

2

400

3

300

4

300

Result

Column1 : INT

Column2 : INT

1

1

1

2

2

2

3

2

4

2

[2] Count of values for current row and one row above with null values.

Query

Column1

"Table1"."MONTH"

Column2

MOVING_COUNT ( "Table1"."INCOME" , - 1 , 0 )

Input

Output

Table1

MONTH : INT

INCOME : INT

1

null

1

null

2

400

3

300

4

300

Result

Column1 : INT

Column2 : INT

1

0

1

0

2

1

3

2

4

2

[3] Count of values for current row and one row above. A FILTER is applied, such that only rows with an INCOME value less than 400 are taken into account.

Query

Filter

FILTER "Table1"."INCOME" < 400;

Column1

"Table1"."MONTH"

Column2

MOVING_COUNT ( "Table1"."INCOME" , - 1 , 0 )

Input

Output

Table1

MONTH : INT

INCOME : INT

1

null

1

null

2

300

3

400

4

300

Result

Column1 : INT

Column2 : INT

2

1

4

2