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Ensure repartition overflow test always overflows #11614

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Oct 16, 2024
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Ensure repartition overflow test always overflows #11614

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12 changes: 6 additions & 6 deletions integration_tests/src/main/python/repart_test.py
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Original file line number Diff line number Diff line change
Expand Up @@ -313,16 +313,16 @@ def test_hash_repartition_exact_longs_no_overflow(num_parts, is_ansi_mode):
@pytest.mark.parametrize('num_parts', [17], ids=idfn)
@allow_non_gpu(*non_utc_allow)
def test_hash_repartition_long_overflow_ansi_exception(num_parts):
data_gen = [('a', long_gen)]
part_on = [f.col('a') + 15]
conf = ansi_enabled_conf

def test_function(spark):
return gen_df(spark, data_gen, length=1024) \
.withColumn('plus15', f.col('a') + 15) \
.repartition(num_parts, f.col('plus15')) \
df = gen_df(spark, [('a', long_gen)], length=1024)
maxVal = df.selectExpr("max(a) as m").head()['m']
overflowVal = (1 << 63) - maxVal
return df.withColumn('plus', f.col('a') + overflowVal) \
.repartition(num_parts, f.col('plus')) \
.withColumn('id', f.spark_partition_id()) \
.withColumn('hashed', f.hash(*part_on)) \
.withColumn('hashed', f.hash(f.col('a') + overflowVal)) \
.selectExpr('*', 'pmod(hashed, {})'.format(num_parts))

assert_gpu_and_cpu_error(
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