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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>
98 lines
2.6 KiB
SQL
98 lines
2.6 KiB
SQL
-- String LIKE pattern matching tests
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-- Basic LIKE patterns
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SELECT 'hello world' LIKE 'hello%';
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SELECT 'hello world' LIKE '%world';
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SELECT 'hello world' LIKE '%llo%';
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SELECT 'hello world' LIKE 'hello_world';
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SELECT 'hello world' LIKE 'hello world';
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-- LIKE with NOT
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SELECT 'hello world' NOT LIKE 'goodbye%';
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SELECT 'hello world' NOT LIKE 'hello%';
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-- Case sensitivity
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SELECT 'Hello World' LIKE 'hello%';
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SELECT 'Hello World' ILIKE 'hello%';
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SELECT 'Hello World' ILIKE 'HELLO%';
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-- Test with table data
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CREATE TABLE like_test("name" VARCHAR, email VARCHAR, ts TIMESTAMP TIME INDEX);
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INSERT INTO like_test VALUES
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('John Doe', 'john@example.com', 1000),
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('Jane Smith', 'jane@gmail.com', 2000),
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('Bob Wilson', 'bob@yahoo.com', 3000),
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('Alice Johnson', 'alice@company.org', 4000),
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('Charlie Brown', 'charlie@test.net', 5000);
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-- Pattern matching on names
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SELECT "name" FROM like_test WHERE "name" LIKE 'J%' ORDER BY ts;
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SELECT "name" FROM like_test WHERE "name" LIKE '%son' ORDER BY ts;
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-- Contains space
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SELECT "name" FROM like_test WHERE "name" LIKE '% %' ORDER BY ts;
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-- Pattern matching on emails
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SELECT "name", email FROM like_test WHERE email LIKE '%@gmail.com' ORDER BY ts;
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SELECT "name", email FROM like_test WHERE email LIKE '%.com' ORDER BY ts;
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SELECT "name", email FROM like_test WHERE email LIKE '%@%.org' ORDER BY ts;
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-- Underscore wildcard
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SELECT "name" FROM like_test WHERE "name" LIKE 'Jo__ ___' ORDER BY ts;
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SELECT email FROM like_test WHERE email LIKE '____@%' ORDER BY ts;
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-- Multiple wildcards
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-- Contains 'o'
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SELECT "name" FROM like_test WHERE "name" LIKE '%o%' ORDER BY ts;
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-- 'a' before and after @
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SELECT email FROM like_test WHERE email LIKE '%a%@%a%' ORDER BY ts;
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-- Escaping special characters
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CREATE TABLE escape_test("text" VARCHAR, ts TIMESTAMP TIME INDEX);
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INSERT INTO escape_test VALUES
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('100% complete', 1000),
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('test_file.txt', 2000),
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('50% done', 3000),
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('backup_2023.sql', 4000);
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-- Need to escape % and _
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-- Contains %
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SELECT "text" FROM escape_test WHERE "text" LIKE '%\%%' ORDER BY ts;
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-- Contains _
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SELECT "text" FROM escape_test WHERE "text" LIKE '%\_%' ORDER BY ts;
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-- Unicode pattern matching
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CREATE TABLE unicode_like(s VARCHAR, ts TIMESTAMP TIME INDEX);
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INSERT INTO unicode_like VALUES
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('Hello 世界', 1000),
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('🚀 rocket', 2000),
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('café shop', 3000);
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SELECT s FROM unicode_like WHERE s LIKE '%世界' ORDER BY ts;
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SELECT s FROM unicode_like WHERE s LIKE '🚀%' ORDER BY ts;
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SELECT s FROM unicode_like WHERE s LIKE '%é%' ORDER BY ts;
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DROP TABLE like_test;
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DROP TABLE escape_test;
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DROP TABLE unicode_like;
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