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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 }}
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)]

{% endset %}

{% endif %}

{{ return(split_part_expr) }}

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4 changes: 2 additions & 2 deletions dev-requirements.txt
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@@ -1,7 +1,7 @@
# install latest changes in dbt-core
# TODO: how to automate switching from develop to version branches?
git+https://github.com/dbt-labs/dbt-core.git#egg=dbt-core&subdirectory=core
git+https://github.com/dbt-labs/dbt-core.git#egg=dbt-tests-adapter&subdirectory=tests/adapter
git+https://github.com/dbt-labs/dbt-core.git@split-part-negative-part-number#egg=dbt-core&subdirectory=core
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git+https://github.com/dbt-labs/dbt-core.git@split-part-negative-part-number#egg=dbt-tests-adapter&subdirectory=tests/adapter
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# if version 1.x or greater -> pin to major version
# if version 0.x -> pin to minor
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