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s3select tests for coalesce and case

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Signed-off-by: Albin Antony <aantony@redhat.com>
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Albin Antony 2020-10-13 15:36:29 +05:30
parent 54103207e4
commit d7c243ba83
1 changed files with 76 additions and 0 deletions
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76
s3tests_boto3/functional/test_s3select.py
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@ -449,6 +449,82 @@ def test_schema_definition():
assert res_multiple_defintion.find("multiple definition of column {c4} as schema-column and alias") > 0 assert res_multiple_defintion.find("multiple definition of column {c4} as schema-column and alias") > 0
@attr('s3select')
def test_when_than_else_expressions():
csv_obj = create_random_csv_object(10000,10)
csv_obj_name = get_random_string()
bucket_name = "test"
upload_csv_object(bucket_name,csv_obj_name,csv_obj)
res_s3select = remove_xml_tags_from_result( run_s3select(bucket_name,csv_obj_name,'select case when ((4*3)==(12)) than "case_1_2" else "case_2_1" end from stdin where (3*3==9);') ).replace("\n","")
nose.tools.assert_equal( res_s3select, "case_1_2,")
res_s3select = remove_xml_tags_from_result( run_s3select(bucket_name,csv_obj_name,'select case when cast(_1 as int)>100 and cast(_1 as int)<200 than "(100-200)" when cast(_1 as int)>200 and cast(_1 as int)<300 than "(200-300)" else "NONE" end from s3object;') ).replace("\n","")
count1 = res_s3select.count("(100-200)")
count2 = res_s3select.count("(200-300)")
count3 = res_s3select.count("NONE")
res = remove_xml_tags_from_result( run_s3select(bucket_name,csv_obj_name,'select count(*) from s3object where cast(_1 as int)>100 and cast(_1 as int)<200 ;') ).replace("\n","")
res1 = remove_xml_tags_from_result( run_s3select(bucket_name,csv_obj_name,'select count(*) from s3object where cast(_1 as int)>200 and cast(_1 as int)<300 ;') ).replace("\n","")
res2 = remove_xml_tags_from_result( run_s3select(bucket_name,csv_obj_name,'select count(*) from s3object where cast(_1 as int)<=100 or cast(_1 as int)>=300 or cast(_1 as int)==200 ;') ).replace("\n","")
nose.tools.assert_equal( str(count1) + ',', res)
nose.tools.assert_equal( str(count2) + ',', res1)
nose.tools.assert_equal( str(count3) + ',', res2)
@attr('s3select')
def test_coalesce_expressions():
csv_obj = create_random_csv_object(10000,10)
csv_obj_name = get_random_string()
bucket_name = "test"
upload_csv_object(bucket_name,csv_obj_name,csv_obj)
res_s3select = remove_xml_tags_from_result( run_s3select(bucket_name,csv_obj_name,'select count(*) from s3object where char_length(_3)>2 and char_length(_4)>2 and cast(substr(_3,1,2) as int) == cast(substr(_4,1,2) as int);') ).replace("\n","")
res_null = remove_xml_tags_from_result( run_s3select(bucket_name,csv_obj_name,'select count(*) from s3object where cast(_3 as int)>99 and cast(_4 as int)>99 and coalesce(nullif(cast(substr(_3,1,2) as int),cast(substr(_4,1,2) as int)),7) == 7;' ) ).replace("\n","")
nose.tools.assert_equal( res_s3select, res_null)
res_s3select = remove_xml_tags_from_result( run_s3select(bucket_name,csv_obj_name,'select coalesce(nullif(_5,_5),nullif(_1,_1),_2) from stdin;') ).replace("\n","")
res_coalesce = remove_xml_tags_from_result( run_s3select(bucket_name,csv_obj_name,'select coalesce(_2) from stdin;') ).replace("\n","")
nose.tools.assert_equal( res_s3select, res_coalesce)
@attr('s3select')
def test_cast_expressions():
csv_obj = create_random_csv_object(10000,10)
csv_obj_name = get_random_string()
bucket_name = "test"
upload_csv_object(bucket_name,csv_obj_name,csv_obj)
res_s3select = remove_xml_tags_from_result( run_s3select(bucket_name,csv_obj_name,'select count(*) from s3object where cast(_3 as int)>999;') ).replace("\n","")
res = remove_xml_tags_from_result( run_s3select(bucket_name,csv_obj_name,'select count(*) from s3object where char_length(_3)>3;') ).replace("\n","")
nose.tools.assert_equal( res_s3select, res)
res_s3select = remove_xml_tags_from_result( run_s3select(bucket_name,csv_obj_name,'select count(*) from s3object where cast(_3 as int)>99 and cast(_3 as int)<1000;') ).replace("\n","")
res = remove_xml_tags_from_result( run_s3select(bucket_name,csv_obj_name,'select count(*) from s3object where char_length(_3)==3;') ).replace("\n","")
nose.tools.assert_equal( res_s3select, res)
@attr('s3select') @attr('s3select')
def test_version(): def test_version():