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should be it

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Mars Ultor
2025-10-24 19:21:19 -05:00
parent a4b23fc57c
commit f09560c7b1
14047 changed files with 3161551 additions and 1 deletions
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143
external/duckdb/test/sql/function/string/regex_capture.test vendored Normal file
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# name: test/sql/function/string/regex_capture.test
# description: Percent Rank
# group: [string]
statement ok
PRAGMA enable_verification
statement ok
CREATE TABLE filenames (filename VARCHAR);
statement ok
INSERT INTO filenames VALUES
('rundate_2023-01-01_pass_1'),
('rundate_2023-01-01_pass_2'),
('rundate_2023-01-01_pass_3'),
('rundate_2023-01-10_pass_1'),
('rundate_2023-01-10_pass_2'),
('rundate_2023-02-14_pass_1'),
('invalid'),
(NULL)
;
# Single chunk
query III rowsort
WITH files AS (
SELECT f.*, payload FROM filenames f, range(3) t(payload)
), extracted AS (
SELECT regexp_extract(filename, 'rundate_(\d+-\d+-\d+)_pass_(\d+)', ['rundate', 'pass']) AS groups, payload
FROM files
)
SELECT groups.rundate::DATE AS rundate, groups.pass::SMALLINT AS PASS, SUM(payload)
FROM extracted
WHERE LENGTH(groups.rundate) > 0
GROUP BY ALL
----
2023-01-01 1 3
2023-01-01 2 3
2023-01-01 3 3
2023-01-10 1 3
2023-01-10 2 3
2023-02-14 1 3
# Scaled up
query III rowsort
WITH files AS (
SELECT f.*, payload FROM filenames f, range(1000) t(payload)
), extracted AS (
SELECT regexp_extract(filename, 'rundate_(\d+-\d+-\d+)_pass_(\d+)', ['rundate', 'pass']) AS groups, payload
FROM files
)
SELECT groups.rundate::DATE AS rundate, groups.pass::SMALLINT AS PASS, SUM(payload)
FROM extracted
WHERE LENGTH(groups.rundate) > 0
GROUP BY ALL
----
2023-01-01 1 499500
2023-01-01 2 499500
2023-01-01 3 499500
2023-01-10 1 499500
2023-01-10 2 499500
2023-02-14 1 499500
# Optional capture success
query IIII rowsort
WITH files AS (
SELECT f.*, payload FROM filenames f, range(3) t(payload)
), extracted AS (
SELECT regexp_extract(filename, 'rundate_(\d+-\d+-\d+)_([a-z]+?)_(\d+)', ['rundate', 'opt', 'pass']) AS groups, payload
FROM files
)
SELECT groups.rundate::DATE AS rundate, groups.opt AS opt, groups.pass::SMALLINT AS pass, SUM(payload)
FROM extracted
WHERE LENGTH(groups.rundate) > 0
GROUP BY ALL
----
2023-01-01 pass 1 3
2023-01-01 pass 2 3
2023-01-01 pass 3 3
2023-01-10 pass 1 3
2023-01-10 pass 2 3
2023-02-14 pass 1 3
# Optional capture failure
query IIII
WITH files AS (
SELECT f.*, payload FROM filenames f, range(3) t(payload)
), extracted AS (
SELECT regexp_extract(filename, 'rundate_(\d+-\d+-\d+)_([0-9]+?)_(\d+)', ['rundate', 'opt', 'pass']) AS groups, payload
FROM files
)
SELECT groups.rundate::DATE AS rundate, groups.opt AS opt, groups.pass::SMALLINT AS pass, SUM(payload)
FROM extracted
WHERE LENGTH(groups.rundate) > 0
GROUP BY ALL
----
#
# Errors
#
statement error
SELECT regexp_extract(filename, 'rundate_(\d+-\d+-\d+)_pass_(\d+)', []) AS groups
FROM filenames
----
non-empty lists of capture names
statement error
WITH patterns AS (
SELECT 'rundate_(\d+-\d+-\d+)_pass_(\d+)' AS pattern FROM range(3)
)
SELECT regexp_extract(filename, pattern, ['rundate', 'pass']) AS groups
FROM filenames, patterns
----
constant pattern
statement error
SELECT regexp_extract(filename, 'rundate_(\d+-\d+-\d+)_pass_(\d+)', ['rundate', NULL]) AS groups
FROM filenames
----
NULL group name
statement error
SELECT regexp_extract(filename, 'rundate_(\d+-\d+-\d+)_pass_(\d+)', ['rundate', 'rundate']) AS groups
FROM filenames
----
Duplicate group name
statement error
SELECT regexp_extract(filename, 'rundate_(\d+-\d+-\d+)_pass_(\d+)', ['rundate', 'RUNDATE']) AS groups
FROM filenames
----
Duplicate group name
statement error
SELECT regexp_extract(filename, 'rundate_(\d+-\d+-\d+)_pass_(\d+)', ['rundate', 'pass', 'overflow']) AS groups
FROM filenames
----
Not enough group names
statement error
SELECT regexp_extract(filename, NULL, ['rundate', 'pass']) AS groups
FROM filenames
----
constant pattern