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[cherry-pick](branch-2.1) add function regexp_extract_or_null (#39561)

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# Proposed changes

pick https://github.com/apache/doris/pull/38296
This commit is contained in:
Socrates
2024-08-21 09:14:58 +08:00
committed by GitHub
parent 8e9bc7449b
commit bb687bd69c
7 changed files with 148 additions and 6 deletions
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5
regression-test/suites/query_p0/sql_functions/string_functions/test_string_function_regexp.groovy
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@ -51,6 +51,11 @@ suite("test_string_function_regexp") {
qt_sql "SELECT regexp_extract('AbCdE', '([[:lower:]]+)C([[:lower:]]+)', 1);"
qt_sql "SELECT regexp_extract('AbCdE', '([[:lower:]]+)C([[:lower:]]+)', 2);"
qt_sql "SELECT regexp_extract('AbCdE', '([[:lower:]]+)C([[:lower:]]+)', 3);"
qt_sql "SELECT regexp_extract_or_null('AbCdE', '([[:lower:]]+)C([[:lower:]]+)', 1);"
qt_sql "SELECT regexp_extract_or_null('AbCdE', '([[:lower:]]+)C([[:lower:]]+)', 2);"
qt_sql "SELECT regexp_extract_or_null('AbCdE', '([[:lower:]]+)C([[:lower:]]+)', 3);"
qt_sql "SELECT regexp_extract_all('x=a3&x=18abc&x=2&y=3&x=4&x=17bcd', 'x=([0-9]+)([a-z]+)');"
qt_sql "SELECT regexp_extract_all('http://a.m.baidu.com/i41915i73660.htm', 'i([0-9]+)');"