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Fix split part negative part number #689

Merged
merged 13 commits into from
Jul 11, 2023
Merged

Fix split part negative part number #689

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9de0417
pin dev branch for tests
dave-connors-3 Mar 19, 2023
51823e2
update split part
dave-connors-3 Mar 19, 2023
33f5853
changie
dave-connors-3 Mar 19, 2023
90f3e76
Merge branch 'main' into fix-split-part-negative-part-number
dave-connors-3 Mar 19, 2023
2c7b913
update to delimiter text for replace
dave-connors-3 Mar 19, 2023
8d28c43
merge main
dave-connors-3 Mar 19, 2023
09c805f
whitespace
dave-connors-3 Mar 20, 2023
20ab7c3
update to new core branch
dave-connors-3 Mar 20, 2023
70c0638
Merge branch 'main' into fix-split-part-negative-part-number
dave-connors-3 Mar 20, 2023
3ef83b0
Merge branch 'main' into fix-split-part-negative-part-number
dbeatty10 Jul 10, 2023
d817da3
Add a negative number (rather than subtract a positive number)
dbeatty10 Jul 11, 2023
c71adce
Expected negative test case
dbeatty10 Jul 11, 2023
33ebbf3
Restore original dev-requirements.txt
dbeatty10 Jul 11, 2023
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6 changes: 6 additions & 0 deletions .changes/unreleased/Fixes-20230319-155618.yaml
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Original file line number Diff line number Diff line change
@@ -0,0 +1,6 @@
kind: Fixes
body: allow negative args for spark split part
time: 2023-03-19T15:56:18.630146-05:00
custom:
Author: dave-connors-3
Issue: "688"
32 changes: 26 additions & 6 deletions dbt/include/spark/macros/utils/split_part.sql
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Original file line number Diff line number Diff line change
Expand Up @@ -9,14 +9,34 @@

{% endset %}

{% set split_part_expr %}
{% if part_number >= 0 %}

split(
{{ string_text }},
{{ delimiter_expr }}
)[({{ part_number - 1 }})]
{% set split_part_expr %}

{% endset %}
split(
{{ string_text }},
{{ delimiter_expr }}
)[({{ part_number - 1 if part_number > 0 else part_number }})]

{% endset %}

{% else %}
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{% set split_part_expr %}

split(
{{ string_text }},
{{ delimiter_expr }}
)[(
length({{ string_text }})
- length(
replace({{ string_text }}, {{ delimiter_text }}, '')
) + 1 + {{ part_number }}
)]

{% endset %}

{% endif %}

{{ return(split_part_expr) }}

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8 changes: 4 additions & 4 deletions tests/functional/adapter/utils/test_utils.py
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Original file line number Diff line number Diff line change
Expand Up @@ -30,10 +30,10 @@
from dbt.tests.adapter.utils.fixture_listagg import models__test_listagg_yml
from tests.functional.adapter.utils.fixture_listagg import models__test_listagg_no_order_by_sql

seeds__data_split_part_csv = """parts,split_on,result_1,result_2,result_3
a|b|c,|,a,b,c
1|2|3,|,1,2,3
EMPTY|EMPTY|EMPTY,|,EMPTY,EMPTY,EMPTY
seeds__data_split_part_csv = """parts,split_on,result_1,result_2,result_3,result_4
a|b|c,|,a,b,c,c
1|2|3,|,1,2,3,3
EMPTY|EMPTY|EMPTY,|,EMPTY,EMPTY,EMPTY,EMPTY
"""

seeds__data_last_day_csv = """date_day,date_part,result
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