mirror of
https://github.com/GreptimeTeam/greptimedb.git
synced 2026-01-14 01:02:55 +00:00
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>
275 lines
9.2 KiB
Plaintext
275 lines
9.2 KiB
Plaintext
-- String TRIM and PAD function tests
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-- TRIM functions
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SELECT TRIM(' hello world ');
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+--------------------------------+
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| btrim(Utf8(" hello world ")) |
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+--------------------------------+
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| hello world |
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+--------------------------------+
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SELECT LTRIM(' hello world ');
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+--------------------------------+
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| ltrim(Utf8(" hello world ")) |
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+--------------------------------+
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| hello world |
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+--------------------------------+
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SELECT RTRIM(' hello world ');
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+--------------------------------+
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| rtrim(Utf8(" hello world ")) |
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+--------------------------------+
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| hello world |
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+--------------------------------+
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-- TRIM with specific characters
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SELECT TRIM('x' FROM 'xxxhello worldxxx');
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+--------------------------------------------+
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| btrim(Utf8("xxxhello worldxxx"),Utf8("x")) |
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+--------------------------------------------+
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| hello world |
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+--------------------------------------------+
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SELECT LTRIM('hello world', 'hel');
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+----------------------------------------+
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| ltrim(Utf8("hello world"),Utf8("hel")) |
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+----------------------------------------+
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| o world |
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+----------------------------------------+
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SELECT RTRIM('hello world', 'dlr');
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+----------------------------------------+
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| rtrim(Utf8("hello world"),Utf8("dlr")) |
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+----------------------------------------+
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| hello wo |
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+----------------------------------------+
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-- PAD functions
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SELECT LPAD('hello', 10, '*');
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+-----------------------------------------+
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| lpad(Utf8("hello"),Int64(10),Utf8("*")) |
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+-----------------------------------------+
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| *****hello |
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+-----------------------------------------+
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SELECT RPAD('hello', 10, '*');
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+-----------------------------------------+
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| rpad(Utf8("hello"),Int64(10),Utf8("*")) |
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+-----------------------------------------+
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| hello***** |
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+-----------------------------------------+
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-- Truncate
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SELECT LPAD('hello', 3, '*');
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+----------------------------------------+
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| lpad(Utf8("hello"),Int64(3),Utf8("*")) |
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+----------------------------------------+
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| hel |
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+----------------------------------------+
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-- Truncate
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SELECT RPAD('hello', 3, '*');
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+----------------------------------------+
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| rpad(Utf8("hello"),Int64(3),Utf8("*")) |
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+----------------------------------------+
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| hel |
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+----------------------------------------+
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-- PAD with multi-character padding
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SELECT LPAD('test', 10, 'ab');
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+-----------------------------------------+
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| lpad(Utf8("test"),Int64(10),Utf8("ab")) |
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+-----------------------------------------+
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| abababtest |
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+-----------------------------------------+
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SELECT RPAD('test', 10, 'xy');
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+-----------------------------------------+
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| rpad(Utf8("test"),Int64(10),Utf8("xy")) |
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+-----------------------------------------+
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| testxyxyxy |
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+-----------------------------------------+
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-- Test with table data
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CREATE TABLE trim_pad_test(s VARCHAR, ts TIMESTAMP TIME INDEX);
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Affected Rows: 0
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INSERT INTO trim_pad_test VALUES
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(' hello ', 1000),
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('world ', 2000),
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(' test', 3000),
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('no-spaces', 4000),
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('', 5000),
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(NULL, 6000);
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Affected Rows: 6
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-- Apply TRIM functions to table data
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SELECT s, TRIM(s), LTRIM(s), RTRIM(s) FROM trim_pad_test ORDER BY ts;
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+-----------+------------------------+------------------------+------------------------+
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| s | btrim(trim_pad_test.s) | ltrim(trim_pad_test.s) | rtrim(trim_pad_test.s) |
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+-----------+------------------------+------------------------+------------------------+
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| hello | hello | hello | hello |
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| world | world | world | world |
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| test | test | test | test |
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| no-spaces | no-spaces | no-spaces | no-spaces |
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| | | | |
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+-----------+------------------------+------------------------+------------------------+
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-- Apply PAD functions
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SELECT s, LPAD(TRIM(s), 15, '-'), RPAD(TRIM(s), 15, '+') FROM trim_pad_test WHERE s IS NOT NULL ORDER BY ts;
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+-----------+--------------------------------------------------+--------------------------------------------------+
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| s | lpad(btrim(trim_pad_test.s),Int64(15),Utf8("-")) | rpad(btrim(trim_pad_test.s),Int64(15),Utf8("+")) |
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+-----------+--------------------------------------------------+--------------------------------------------------+
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| hello | ----------hello | hello++++++++++ |
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| world | ----------world | world++++++++++ |
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| test | -----------test | test+++++++++++ |
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| no-spaces | ------no-spaces | no-spaces++++++ |
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| | --------------- | +++++++++++++++ |
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+-----------+--------------------------------------------------+--------------------------------------------------+
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-- Test with Unicode characters
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SELECT TRIM(' 中文测试 ');
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+-----------------------------+
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| btrim(Utf8(" 中文测试 ")) |
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+-----------------------------+
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| 中文测试 |
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+-----------------------------+
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SELECT LPAD('🚀', 10, '★');
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+--------------------------------------+
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| lpad(Utf8("🚀"),Int64(10),Utf8("★")) |
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+--------------------------------------+
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| ★★★★★★★★★🚀 |
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+--------------------------------------+
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SELECT RPAD('café', 8, '•');
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+---------------------------------------+
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| rpad(Utf8("café"),Int64(8),Utf8("•")) |
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+---------------------------------------+
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| café•••• |
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+---------------------------------------+
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-- Edge cases
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SELECT TRIM('');
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+-----------------+
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| btrim(Utf8("")) |
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+-----------------+
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+-----------------+
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SELECT TRIM(NULL);
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+-------------+
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| btrim(NULL) |
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+-------------+
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+-------------+
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SELECT LPAD('', 5, '*');
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+-----------------------------------+
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| lpad(Utf8(""),Int64(5),Utf8("*")) |
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+-----------------------------------+
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| ***** |
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+-----------------------------------+
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SELECT RPAD('', 5, '*');
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+-----------------------------------+
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| rpad(Utf8(""),Int64(5),Utf8("*")) |
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+-----------------------------------+
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| ***** |
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+-----------------------------------+
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SELECT LPAD('test', 0, '*');
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+---------------------------------------+
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| lpad(Utf8("test"),Int64(0),Utf8("*")) |
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+---------------------------------------+
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+---------------------------------------+
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SELECT RPAD('test', 0, '*');
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+---------------------------------------+
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| rpad(Utf8("test"),Int64(0),Utf8("*")) |
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+---------------------------------------+
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+---------------------------------------+
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-- TRIM with various whitespace characters
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SELECT TRIM('\t\nhello\r\n\t');
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+--------------------------------+
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| btrim(Utf8("\t\nhello\r\n\t")) |
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+--------------------------------+
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| \t\nhello\r\n\t |
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+--------------------------------+
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SELECT LTRIM('\t\nhello world');
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+--------------------------------+
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| ltrim(Utf8("\t\nhello world")) |
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+--------------------------------+
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| \t\nhello world |
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+--------------------------------+
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SELECT RTRIM('hello world\r\n');
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+--------------------------------+
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| rtrim(Utf8("hello world\r\n")) |
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+--------------------------------+
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| hello world\r\n |
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+--------------------------------+
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-- Custom TRIM characters
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CREATE TABLE custom_trim(s VARCHAR, ts TIMESTAMP TIME INDEX);
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Affected Rows: 0
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INSERT INTO custom_trim VALUES
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('***hello***', 1000),
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('---world---', 2000),
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('abcTESTabc', 3000);
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Affected Rows: 3
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SELECT s, TRIM('*' FROM s), TRIM('-' FROM s), TRIM('abc' FROM s) FROM custom_trim ORDER BY ts;
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+-------------+--------------------------------+--------------------------------+----------------------------------+
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| s | btrim(custom_trim.s,Utf8("*")) | btrim(custom_trim.s,Utf8("-")) | btrim(custom_trim.s,Utf8("abc")) |
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+-------------+--------------------------------+--------------------------------+----------------------------------+
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| ***hello*** | hello | ***hello*** | ***hello*** |
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| ---world--- | ---world--- | world | ---world--- |
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| abcTESTabc | abcTESTabc | abcTESTabc | TEST |
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+-------------+--------------------------------+--------------------------------+----------------------------------+
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DROP TABLE trim_pad_test;
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Affected Rows: 0
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DROP TABLE custom_trim;
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Affected Rows: 0
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