barrier (Python) - Wherobots

Prevent filter pushdown and control predicate evaluation order in complex spatial joins. This function creates an optimization barrier by evaluating boolean expressions at runtime. Example:

df.where(barrier('rating > 4.0 AND stars >= 4',
                'rating', col('r.rating'),
                'stars', col('h.stars')))

Signature

from sedona.spark.sql.st_functions import barrier

barrier(expression: ColumnOrName, *args) -> Column

Parameters

ColumnOrName

required

Boolean expression string to evaluate

Variable name and value pairs (var_name1, var_value1, var_name2, var_value2, …)

Returns

Column

Boolean result of the expression evaluation

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Signature

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