rust/greptimedb
1
0
Fork 0
mirror of https://github.com/GreptimeTeam/greptimedb.git synced 2026-01-15 01:32:56 +00:00
Code Issues Packages Projects Releases Wiki Activity

feat: adds regex_extract function and more type tests (#7107)

Browse Source 
* feat: adds format, regex_extract function and more type tests

Signed-off-by: Dennis Zhuang <killme2008@gmail.com>

* fix: forgot functions

Signed-off-by: Dennis Zhuang <killme2008@gmail.com>

* chore: forgot null type

Signed-off-by: Dennis Zhuang <killme2008@gmail.com>

* test: forgot date type

Signed-off-by: Dennis Zhuang <killme2008@gmail.com>

* feat: remove format function

Signed-off-by: Dennis Zhuang <killme2008@gmail.com>

* test: update results after upgrading datafusion

Signed-off-by: Dennis Zhuang <killme2008@gmail.com>

---------

Signed-off-by: Dennis Zhuang <killme2008@gmail.com>
This commit is contained in:
dennis zhuang
2025-10-25 16:41:49 +08:00
committed by GitHub
parent 7da2f5ed12
commit d8563ba56d
58 changed files with 6502 additions and 15 deletions
Download Patch File Download Diff File Expand all files Collapse all files

53
tests/cases/standalone/common/function/string/substring.sql Normal file
View File

@@ -0,0 +1,53 @@
-- Migrated from DuckDB test: test/sql/function/string/test_substring.test
-- Substring function tests
CREATE TABLE strings(s VARCHAR, "off" INTEGER, length INTEGER, ts TIMESTAMP TIME INDEX);
INSERT INTO strings VALUES
('hello', 1, 2, 1000),
('world', 2, 3, 2000),
('b', 1, 1, 3000),
(NULL, 2, 2, 4000);
-- Test zero length
SELECT SUBSTRING('🦆ab', 1, 0), SUBSTRING('abc', 1, 0);
-- Normal substring with constant offset/length
SELECT SUBSTRING(s, 1, 2) FROM strings ORDER BY ts;
-- Substring out of range
SELECT SUBSTRING(s, 2, 2) FROM strings ORDER BY ts;
-- Variable length offset/length
SELECT SUBSTRING(s, "off", "length") FROM strings ORDER BY ts;
SELECT SUBSTRING(s, "off", 2) FROM strings ORDER BY ts;
SELECT SUBSTRING(s, 1, length) FROM strings ORDER BY ts;
SELECT SUBSTRING('hello', "off", length) FROM strings ORDER BY ts;
-- Test with NULL values
SELECT SUBSTRING(NULL, "off", length) FROM strings ORDER BY ts;
SELECT SUBSTRING(s, NULL, length) FROM strings ORDER BY ts;
SELECT SUBSTRING(s, "off", NULL) FROM strings ORDER BY ts;
-- Test negative offsets
SELECT SUBSTRING('hello', -1, 3);
SELECT SUBSTRING('hello', 0, 3);
-- Test with Unicode characters
CREATE TABLE unicode_strings(s VARCHAR, ts TIMESTAMP TIME INDEX);
INSERT INTO unicode_strings VALUES
('Hello 世界', 1000),
('🦆🦀🐧', 2000),
('café', 3000);
SELECT s, SUBSTRING(s, 1, 5), SUBSTRING(s, 7, 2) FROM unicode_strings ORDER BY ts;
DROP TABLE strings;
DROP TABLE unicode_strings;