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https://github.com/GreptimeTeam/greptimedb.git
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d8563ba56d
* 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>
181 lines
7.3 KiB
Plaintext
181 lines
7.3 KiB
Plaintext
-- String REPLACE function tests
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-- Basic REPLACE function
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SELECT REPLACE('hello world', 'world', 'universe');
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+-------------------------------------------------------------+
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| replace(Utf8("hello world"),Utf8("world"),Utf8("universe")) |
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+-------------------------------------------------------------+
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| hello universe |
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+-------------------------------------------------------------+
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SELECT REPLACE('hello world', 'xyz', 'abc');
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+------------------------------------------------------+
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| replace(Utf8("hello world"),Utf8("xyz"),Utf8("abc")) |
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+------------------------------------------------------+
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| hello world |
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+------------------------------------------------------+
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SELECT REPLACE('hello hello hello', 'hello', 'hi');
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+-------------------------------------------------------------+
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| replace(Utf8("hello hello hello"),Utf8("hello"),Utf8("hi")) |
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+-------------------------------------------------------------+
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| hi hi hi |
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+-------------------------------------------------------------+
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-- REPLACE with empty strings
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SELECT REPLACE('hello world', 'world', '');
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+-----------------------------------------------------+
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| replace(Utf8("hello world"),Utf8("world"),Utf8("")) |
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+-----------------------------------------------------+
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| hello |
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+-----------------------------------------------------+
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SELECT REPLACE('hello world', '', 'xyz');
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+---------------------------------------------------+
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| replace(Utf8("hello world"),Utf8(""),Utf8("xyz")) |
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+---------------------------------------------------+
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| xyzhxyzexyzlxyzlxyzoxyz xyzwxyzoxyzrxyzlxyzdxyz |
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+---------------------------------------------------+
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SELECT REPLACE('', 'xyz', 'abc');
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+-------------------------------------------+
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| replace(Utf8(""),Utf8("xyz"),Utf8("abc")) |
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+-------------------------------------------+
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+-------------------------------------------+
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-- Case sensitive replacement
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SELECT REPLACE('Hello World', 'hello', 'hi');
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+-------------------------------------------------------+
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| replace(Utf8("Hello World"),Utf8("hello"),Utf8("hi")) |
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+-------------------------------------------------------+
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| Hello World |
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+-------------------------------------------------------+
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SELECT REPLACE('Hello World', 'Hello', 'Hi');
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+-------------------------------------------------------+
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| replace(Utf8("Hello World"),Utf8("Hello"),Utf8("Hi")) |
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+-------------------------------------------------------+
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| Hi World |
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+-------------------------------------------------------+
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-- NULL handling
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SELECT REPLACE(NULL, 'world', 'universe');
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+----------------------------------------------+
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| replace(NULL,Utf8("world"),Utf8("universe")) |
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+----------------------------------------------+
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+----------------------------------------------+
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SELECT REPLACE('hello world', NULL, 'universe');
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+----------------------------------------------------+
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| replace(Utf8("hello world"),NULL,Utf8("universe")) |
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+----------------------------------------------------+
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+----------------------------------------------------+
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SELECT REPLACE('hello world', 'world', NULL);
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+-------------------------------------------------+
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| replace(Utf8("hello world"),Utf8("world"),NULL) |
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+-------------------------------------------------+
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+-------------------------------------------------+
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-- Test with table data
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CREATE TABLE replace_test(s VARCHAR, old_str VARCHAR, new_str VARCHAR, ts TIMESTAMP TIME INDEX);
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Affected Rows: 0
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INSERT INTO replace_test VALUES
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('hello world', 'world', 'universe', 1000),
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('programming language', 'language', 'paradigm', 2000),
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('test test test', 'test', 'exam', 3000),
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('no match here', 'xyz', 'abc', 4000);
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Affected Rows: 4
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SELECT s, old_str, new_str, REPLACE(s, old_str, new_str) FROM replace_test ORDER BY ts;
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+----------------------+----------+----------+-------------------------------------------------------------------+
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| s | old_str | new_str | replace(replace_test.s,replace_test.old_str,replace_test.new_str) |
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+----------------------+----------+----------+-------------------------------------------------------------------+
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| hello world | world | universe | hello universe |
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| programming language | language | paradigm | programming paradigm |
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| test test test | test | exam | exam exam exam |
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| no match here | xyz | abc | no match here |
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+----------------------+----------+----------+-------------------------------------------------------------------+
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-- Unicode replacement
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SELECT REPLACE('hello 世界', '世界', 'world');
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+--------------------------------------------------------+
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| replace(Utf8("hello 世界"),Utf8("世界"),Utf8("world")) |
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+--------------------------------------------------------+
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| hello world |
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+--------------------------------------------------------+
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SELECT REPLACE('café shop', 'é', 'e');
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+------------------------------------------------+
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| replace(Utf8("café shop"),Utf8("é"),Utf8("e")) |
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+------------------------------------------------+
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| cafe shop |
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+------------------------------------------------+
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SELECT REPLACE('🚀 rocket 🚀', '🚀', '✈️');
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+-----------------------------------------------------+
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| replace(Utf8("🚀 rocket 🚀"),Utf8("🚀"),Utf8("✈️")) |
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+-----------------------------------------------------+
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| ✈️ rocket ✈️ |
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+-----------------------------------------------------+
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-- Multiple character replacement
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SELECT REPLACE('hello-world-test', '-', '_');
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+-------------------------------------------------------+
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| replace(Utf8("hello-world-test"),Utf8("-"),Utf8("_")) |
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+-------------------------------------------------------+
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| hello_world_test |
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+-------------------------------------------------------+
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SELECT REPLACE('abc::def::ghi', '::', '-->');
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+-------------------------------------------------------+
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| replace(Utf8("abc::def::ghi"),Utf8("::"),Utf8("-->")) |
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+-------------------------------------------------------+
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| abc-->def-->ghi |
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+-------------------------------------------------------+
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-- Overlapping patterns
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SELECT REPLACE('ababab', 'ab', 'xy');
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+-----------------------------------------------+
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| replace(Utf8("ababab"),Utf8("ab"),Utf8("xy")) |
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+-----------------------------------------------+
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| xyxyxy |
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+-----------------------------------------------+
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SELECT REPLACE('aaa', 'aa', 'b');
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+-------------------------------------------+
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| replace(Utf8("aaa"),Utf8("aa"),Utf8("b")) |
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+-------------------------------------------+
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| ba |
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+-------------------------------------------+
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DROP TABLE replace_test;
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Affected Rows: 0
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