ccl125 commented on code in PR #66050:
URL: https://github.com/apache/doris/pull/66050#discussion_r3680676904
##########
regression-test/suites/query_p0/sql_functions/string_functions/test_string_function_regexp.groovy:
##########
@@ -255,4 +255,11 @@ suite("test_string_function_regexp") {
qt_sql_field4 "SELECT FIELD('21','2130', '2131', '21');"
qt_sql_field5 "SELECT FIELD(21, 2130, 21, 2131);"
+
+ qt_sql_regexp_extract_all_group0 "select
regexp_extract_all('x=a3&x=18abc&x=2&y=3&x=4&x=17bcd', 'x=([0-9]+)([a-z]+)',
0);"
+ qt_sql_regexp_extract_all_group2 "select
regexp_extract_all('x=a3&x=18abc&x=2&y=3&x=4&x=17bcd', 'x=([0-9]+)([a-z]+)',
2);"
+ qt_sql_regexp_extract_all_group_negative "select regexp_extract_all('abc',
'(b)', -1);"
+ qt_sql_regexp_extract_all_array_group0 "select
regexp_extract_all_array('x=a3&x=18abc&x=2&y=3&x=4&x=17bcd',
'x=([0-9]+)([a-z]+)', 0);"
+ qt_sql_regexp_extract_all_array_group2 "select
regexp_extract_all_array('x=a3&x=18abc&x=2&y=3&x=4&x=17bcd',
'x=([0-9]+)([a-z]+)', 2);"
+ qt_sql_regexp_extract_all_array_group_out_of_range "select
regexp_extract_all_array('hitdecisiondlist', '(i)(.*?)(e)', 3);"
Review Comment:
You were right, I miscounted — `(i)(.*?)(e)` has three capturing groups and
index 3 extracts "e". Fixed the unit and regression cases; index 4 is now
covered as the out-of-range error.
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