Mathematical functions in Cloud Dataflow SQL

All mathematical functions have the following behaviors:

  • They return NULL if any of the input parameters is NULL.

MOD

MOD(X, Y)

Description

Modulo function: returns the remainder of the division of X by Y. Returned value has the same sign as X.

CEIL

CEIL(X)

Description

Returns the smallest integral value (with FLOAT64 type) that is not less than X.

CEILING

CEILING(X)

Description

Synonym of CEIL(X)

FLOOR

FLOOR(X)

Description

Returns the largest integral value (with FLOAT64 type) that is not greater than X.

Example rounding function behavior

Example behavior of Cloud Dataflow SQL rounding functions:

Input "X" CEIL(X) FLOOR(X)
2.0 2.0 2.0
2.3 3.0 2.0
2.8 3.0 2.0
2.5 3.0 2.0
-2.3 -2.0 -3.0
-2.8 -2.0 -3.0
-2.5 -2.0 -3.0
0 0 0
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