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Add tests for regexp() and regexp_like() [databricks] #4093

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merged 5 commits into from
Dec 2, 2021
Merged

Add tests for regexp() and regexp_like() [databricks] #4093

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7c0ef58
Add tests for regexp and regexplike (synonyms for RLike)
andygrove Nov 17, 2021
c8ac88b
add import
andygrove Nov 17, 2021
34b9fe4
Merge branch 'branch-22.02' into regexp-like
andygrove Nov 30, 2021
c85a9a3
merge from branch-22.02
andygrove Dec 1, 2021
e140ea5
merge from branch-22.02
andygrove Dec 1, 2021
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23 changes: 23 additions & 0 deletions integration_tests/src/main/python/string_test.py
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Original file line number Diff line number Diff line change
Expand Up @@ -20,6 +20,7 @@
from marks import *
from pyspark.sql.types import *
import pyspark.sql.functions as f
from spark_session import is_before_spark_320

def mk_str_gen(pattern):
return StringGen(pattern).with_special_case('').with_special_pattern('.{0,10}')
Expand Down Expand Up @@ -483,6 +484,28 @@ def test_regexp_replace():
'regexp_replace(a, "a|b|c", "A")'),
conf={'spark.rapids.sql.expression.RegExpReplace': 'true'})

@pytest.mark.skipif(is_before_spark_320(), reason='regexp is synonym for RLike starting in Spark 3.2.0')
def test_regexp():
gen = mk_str_gen('[abcd]{1,3}')
assert_gpu_and_cpu_are_equal_collect(
lambda spark: unary_op_df(spark, gen).selectExpr(
'regexp(a, "a{2}")',
'regexp(a, "a{1,3}")',
'regexp(a, "a{1,}")',
'regexp(a, "a[bc]d")'),
conf={'spark.rapids.sql.expression.RLike': 'true'})

@pytest.mark.skipif(is_before_spark_320(), reason='regexp_like is synonym for RLike starting in Spark 3.2.0')
def test_regexp_like():
gen = mk_str_gen('[abcd]{1,3}')
assert_gpu_and_cpu_are_equal_collect(
lambda spark: unary_op_df(spark, gen).selectExpr(
'regexp_like(a, "a{2}")',
'regexp_like(a, "a{1,3}")',
'regexp_like(a, "a{1,}")',
'regexp_like(a, "a[bc]d")'),
conf={'spark.rapids.sql.expression.RLike': 'true'})

@pytest.mark.skipif(is_databricks_runtime(),
reason='Databricks optimizes out regexp_replace call in this case')
@allow_non_gpu('ProjectExec', 'RegExpReplace')
Expand Down