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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>
58 lines
1.5 KiB
SQL
58 lines
1.5 KiB
SQL
-- 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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SELECT REPLACE('hello world', 'xyz', 'abc');
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SELECT REPLACE('hello hello hello', 'hello', 'hi');
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-- REPLACE with empty strings
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SELECT REPLACE('hello world', 'world', '');
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SELECT REPLACE('hello world', '', 'xyz');
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SELECT REPLACE('', 'xyz', 'abc');
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-- Case sensitive replacement
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SELECT REPLACE('Hello World', 'hello', 'hi');
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SELECT REPLACE('Hello World', 'Hello', 'Hi');
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-- NULL handling
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SELECT REPLACE(NULL, 'world', 'universe');
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SELECT REPLACE('hello world', NULL, 'universe');
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SELECT REPLACE('hello world', 'world', NULL);
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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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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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SELECT s, old_str, new_str, REPLACE(s, old_str, new_str) FROM replace_test ORDER BY ts;
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-- Unicode replacement
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SELECT REPLACE('hello 世界', '世界', 'world');
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SELECT REPLACE('café shop', 'é', 'e');
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SELECT REPLACE('🚀 rocket 🚀', '🚀', '✈️');
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-- Multiple character replacement
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SELECT REPLACE('hello-world-test', '-', '_');
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SELECT REPLACE('abc::def::ghi', '::', '-->');
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-- Overlapping patterns
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SELECT REPLACE('ababab', 'ab', 'xy');
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SELECT REPLACE('aaa', 'aa', 'b');
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DROP TABLE replace_test;
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