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Applies to:  

Status
colourGreen
titleCelonis 4.0
 
Status
colourGreen
titleCelonis 4.2
 
Status
colourGreen
titleCelonis 4.3
 
Status
colourGreen
titleCelonis 4.4
 

Description

Calculates the average of the specified column for each element of the given parent table.

Like the regular AVG operator, the column can either be an INT or FLOAT column. The data type of the result is the same as the data type of the input column.

If no value in the child table exists for the element in the parent table (either because all values of the child table column are filtered out, or because no corresponding value exists in the first place), NULL will be returned.

Syntax


Code Block
languagetext
themeDJango
PU_AVG ( parent_table, child_table.column [, filter_expression] )
Code Block
languagetext
themeDJango
PU_AVG ( DOMAIN_TABLE ( column1,...,columnN ), child_table.column [, filter_expression] )


Examples

Calculate the average of the case table values for each company code:


Panel
titleQuery
Column1


Code Block
languagetext
themeDJango
"companyDetail"."companyCode"


Column2


Code Block
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themeDJango
PU_AVG("companyDetail", "caseTable"."value")




Panel
titleInput
caseTable


caseId : INTcompanyCode : STRINGvalue : INT
1
'001'
600
2
'001'
400
3
'001'
200
4
'002'
300
5
'002'
300
6
'003'
200


companyDetail


companyCode : STRINGcountry : STRING
'001''DE'
'002''DE'
'003''US'



Foreign Keys


caseTable.companyCodecompanyDetail.companyCode




Panel
titleOutput
Result


Column1 : STRINGColumn2 : INT
'001'
400
'002'
300
'003'
200





Calculate the average of the case table values for each company code. Only consider cases with an ID larger than 2:


Panel
titleQuery
Column1


Code Block
languagetext
themeDJango
"companyDetail"."companyCode"


Column2


Code Block
languagetext
themeDJango
PU_AVG("companyDetail", "caseTable"."value", "caseTable"."caseID" > 2)




Panel
titleInput
caseTable


caseId : INTcompanyCode : STRINGvalue : INT
1
'001'
600
2
'001'
400
3
'001'
200
4
'002'
300
5
'002'
300
6
'003'
200


companyDetail


companyCode : STRINGcountry : STRING
'001''DE'
'002''DE'
'003''US'



Foreign Keys


caseTable.companyCodecompanyDetail.companyCode




Panel
titleOutput
Result


Column1 : STRINGColumn2 : INT
'001'
200
'002'
300
'003'
200





Calculate the sum of the case table values for each company code. Only consider cases with an ID larger than 3. All case table values for companyCode '001' are filtered out, which means that in this case, NULL is returned.


Panel
titleQuery
Column1


Code Block
languagetext
themeDJango
"companyDetail"."companyCode"


Column2


Code Block
languagetext
themeDJango
PU_AVG("companyDetail", "caseTable"."value", "caseTable"."caseID" > 3)




Panel
titleInput
caseTable


caseId : INTcompanyCode : STRINGvalue : FLOAT
1
'001'
600.0
2
'001'
400.0
3
'001'
200.0
4
'002'
300.0
5
'002'
300.0
6
'003'
200.0


companyDetail


companyCode : STRINGcountry : STRING
'001''DE'
'002''DE'
'003''US'



Foreign Keys


caseTable.companyCodecompanyDetail.companyCode




Panel
titleOutput
Result


Column1 : STRINGColumn2 : FLOAT
'001'
null
'002'
300.0
'003'
200.0





Example over three tables: For each entry in table B, calculate the average of the values that are larger than 100 in table C. Tables B and C do not have a direct connection, but are connected via table A:



Panel
titleQuery
Column1


Code Block
languagetext
themeDJango
"B"."B_KEY"


Column2


Code Block
languagetext
themeDJango
PU_AVG("B", "C"."VALUE", "C"."VALUE" >100)




Panel
titleInput
A


B_KEY : INTC_KEY : STRINGVALUE : INT
1
'A'
100
1
'B'
200
2
'C'
300
2
'D'
400
3
'E'
500
3
'F'
600


B


B_KEY : INT
1
2


C


C_KEY : STRINGVALUE : INT
'A'
400
'A'
100
'A'
200
'B'
100
'C'
200
'D'
500



Foreign Keys


C.C_KEYA.C_KEY
B.B_KEYA.B_KEY




Panel
titleOutput
Result


Column1 : INTColumn2 : INT
1
300
2
350
For each case ID, calculate the average of the case table values for the associated company code using DOMAIN_TABLE:
Panel
titleQuery
Column1
Code Block
languagetext
themeDJango
"caseTable"."caseId"
Column2
Code Block
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themeDJango
PU_AVG(DOMAIN_TABLE("caseTable"."companyCode"), "caseTable"."value")
caseTable
Panel
titleInput
caseId : INTcompanyCode : STRINGvalue : FLOAT
1
'001'
600.0
2
'001'
400.0
3
'001'
200.0
4
'002'
300.0
5
'002'
300.0
6
'003'
200.0
Panel
titleOutput
Result
Column1 : INTColumn2 : FLOAT
1
400.0
2
400.0
3
400.0
4
300.0
5
300.0
6
200.0