Teradata Package for Python Function Reference on VantageCloud Lake - array_mod - Teradata Package for Python - Look here for syntax, methods and examples for the functions included in the Teradata Package for Python.
Teradata® Package for Python Function Reference on VantageCloud Lake
- Deployment
- VantageCloud
- Edition
- Lake
- Product
- Teradata Package for Python
- Release Number
- 20.00.00.11
- Published
- August 2026
- ft:locale
- en-US
- ft:lastEdition
- 2026-08-13
- dita:id
- TeradataPython_FxRef_Lake_2000
- Product Category
- Teradata Vantage
- teradataml.dataframe.sql.DataFrameColumn.array_mod = array_mod(self, other, lower_bound=None, upper_bound=None)
- DESCRIPTION:
Compute the modulo (remainder) of the elements of the array with another
array or scalar value element-wise and return the result array.
PARAMETERS:
other:
Required Argument.
Specifies the array or Python literal value to compute modulo with.
Note:
* Value specified in "other" must be of the same type as the array to compute modulo.
Types: ColumnExpression OR Python literal
lower_bound:
Optional Argument.
Specifies the starting index for modulo operation (inclusive).
Note:
* If specified, both "lower_bound" and "upper_bound" arguments must be provided.
Types: int
upper_bound:
Optional Argument.
Specifies the ending index for modulo operation (inclusive).
Note:
* If specified, both "lower_bound" and "upper_bound" arguments must be provided.
Types: int
RETURNS:
ColumnExpression
EXAMPLES:
>>> from teradataml import *
>>> load_example_data("array", "array_table")
# Create a DataFrame on 'array_table'.
>>> df = DataFrame("array_table")
>>> df
arr1 arr2 arr3
id
1 (10,20,30,40,50) (23,200,215,40,21) ('ab','bc','cd','ab','ef')
4 (180,28,38,48,58) (30,NULL,NULL,250,27) ('mn','no',NULL,'op','pq')
2 (150,25,35,45,55) (28,50,95,90,26) ('xy','yz','za','ab','xy')
6 (16,261,36,46,56) (29,170,160,46,25) ('uv','xy','ab','xy','yz')
3 (12,22,320,42,52) (25,22,140,200,23) ('pq','ab','ab','st','tu')
5 (14,24,34,44,54) (26,NULL,NULL,180,24) ('ij','jk',NULL,'kl','lm')
# Example 1: Compute modulo of corresponding elements of array columns 'arr1' with 'arr2'.
>>> res = df.assign(mod_res = df.arr2.array_mod(df.arr1))
>>> res
arr1 arr2 arr3 mod_res
id
1 (10,20,30,40,50) (23,200,215,40,21) ('ab','bc','cd','ab','ef') (3,0,5,0,21)
4 (180,28,38,48,58) (30,NULL,NULL,250,27) ('mn','no',NULL,'op','pq') (30,NULL,NULL,10,27)
2 (150,25,35,45,55) (28,50,95,90,26) ('xy','yz','za','ab','xy') (28,0,25,0,26)
6 (16,261,36,46,56) (29,170,160,46,25) ('uv','xy','ab','xy','yz') (13,170,16,0,25)
3 (12,22,320,42,52) (25,22,140,200,23) ('pq','ab','ab','st','tu') (1,0,140,32,23)
5 (14,24,34,44,54) (26,NULL,NULL,180,24) ('ij','jk',NULL,'kl','ab') (12,NULL,NULL,4,24)
# Example 2: Compute modulo of all elements in array column 'arr1' with a scalar value 3.
>>> res = df.assign(mod_res = df.arr1.array_mod(3))
>>> res
arr1 arr2 arr3 mod_res
id
1 (10,20,30,40,50) (23,200,215,40,21) ('ab','bc','cd','ab','ef') (1,2,0,1,2)
4 (180,28,38,48,58) (30,NULL,NULL,250,27) ('mn','no',NULL,'op','pq') (0,1,2,0,1)
2 (150,25,35,45,55) (28,50,95,90,26) ('xy','yz','za','ab','xy') (0,1,2,0,1)
6 (16,261,36,46,56) (29,170,160,46,25) ('uv','xy','ab','xy','yz') (1,0,0,1,2)
3 (12,22,320,42,52) (25,22,140,200,23) ('pq','ab','ab','st','tu') (0,1,2,0,1)
5 (14,24,34,44,54) (26,NULL,NULL,180,24) ('ij','jk',NULL,'kl','ab') (2,0,1,2,0)
# Example 3: Compute modulo of the elements present in first position to third position
# in the array column 'arr1' with a scalar value 3.
>>> res = df.assign(mod_res = df.arr1.array_mod(3, lower_bound=1, upper_bound=3))
>>> res
arr1 arr2 arr3 mod_res
id
1 (10,20,30,40,50) (23,200,215,40,21) ('ab','bc','cd','ab','ef') (1,2,0,NULL,NULL)
4 (180,28,38,48,58) (30,NULL,NULL,250,27) ('mn','no',NULL,'op','pq') (0,1,2,NULL,NULL)
2 (150,25,35,45,55) (28,50,95,90,26) ('xy','yz','za','ab','xy') (0,1,2,NULL,NULL)
6 (16,261,36,46,56) (29,170,160,46,25) ('uv','xy','ab','xy','yz') (1,0,0,NULL,NULL)
3 (12,22,320,42,52) (25,22,140,200,23) ('pq','ab','ab','st','tu') (0,1,2,NULL,NULL)
5 (14,24,34,44,54) (26,NULL,NULL,180,24) ('ij','jk',NULL,'kl','ab') (2,0,1,NULL,NULL)
>>>
# Example 4: Compute modulo of the elements present in second position to fourth position in the array column
# 'arr2' with the corresponding elements in array column 'arr1'.
>>> res = df.assign(mod_res = df.arr2.array_mod(df.arr1, lower_bound=2, upper_bound=4))
>>> res
arr1 arr2 arr3 mod_res
id
1 (10,20,30,40,50) (23,200,215,40,21) ('ab','bc','cd','ab','ef') (NULL,0,5,0,NULL)
4 (180,28,38,48,58) (30,NULL,NULL,250,27) ('mn','no',NULL,'op','pq') (NULL,NULL,NULL,10,NULL)
2 (150,25,35,45,55) (28,50,95,90,26) ('xy','yz','za','ab','xy') (NULL,0,25,0,NULL)
6 (16,261,36,46,56) (29,170,160,46,25) ('uv','xy','ab','xy','yz') (NULL,170,16,0,NULL)
3 (12,22,320,42,52) (25,22,140,200,23) ('pq','ab','ab','st','tu') (NULL,0,140,32,NULL)
5 (14,24,34,44,54) (26,NULL,NULL,180,24) ('ij','jk',NULL,'kl','ab') (NULL,NULL,NULL,4,NULL)