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DROP TABLE IF EXISTS index_for_like ;
CREATE TABLE index_for_like ( s String , d Date DEFAULT today ( ) ) ENGINE = MergeTree ( d , ( s , d ) , 1 ) ;
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INSERT INTO index_for_like ( s ) VALUES ( ' Hello ' ) , ( ' Hello, World ' ) , ( ' Hello, World 1 ' ) , ( ' Hello 1 ' ) , ( ' Goodbye ' ) , ( ' Goodbye, World ' ) , ( ' Goodbye 1 ' ) , ( ' Goodbye, World 1 ' ) ;
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SET max_rows_to_read = 3 ;
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SELECT s FROM index_for_like WHERE s LIKE ' Hello, World% ' ;
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SET max_rows_to_read = 2 ;
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SELECT s FROM index_for_like WHERE s LIKE ' Hello, World % ' ;
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SET max_rows_to_read = 2 ;
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SELECT s FROM index_for_like WHERE s LIKE ' Hello, World 1% ' ;
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SET max_rows_to_read = 1 ;
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SELECT s FROM index_for_like WHERE s LIKE ' Hello, World 2% ' ;
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SET max_rows_to_read = 1 ;
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SELECT s FROM index_for_like WHERE s LIKE ' Hello, Worle% ' ;
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SET max_rows_to_read = 3 ;
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SELECT s FROM index_for_like WHERE s LIKE ' Hello, Wor% ' ;
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SET max_rows_to_read = 5 ;
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SELECT s FROM index_for_like WHERE s LIKE ' Hello% ' ;
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SET max_rows_to_read = 2 ;
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SELECT s FROM index_for_like WHERE s LIKE ' Hello % ' ;
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SET max_rows_to_read = 3 ;
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SELECT s FROM index_for_like WHERE s LIKE ' Hello,% ' ;
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SET max_rows_to_read = 1 ;
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SELECT s FROM index_for_like WHERE s LIKE ' Hello;% ' ;
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SET max_rows_to_read = 5 ;
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SELECT s FROM index_for_like WHERE s LIKE ' H% ' ;
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SET max_rows_to_read = 4 ;
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SELECT s FROM index_for_like WHERE s LIKE ' Good% ' ;
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SET max_rows_to_read = 8 ;
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SELECT s FROM index_for_like WHERE s LIKE ' % ' ;
SELECT s FROM index_for_like WHERE s LIKE ' %Hello% ' ;
SELECT s FROM index_for_like WHERE s LIKE ' %Hello ' ;
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SET max_rows_to_read = 3 ;
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SELECT s FROM index_for_like WHERE s LIKE ' Hello, World% % ' ;
SELECT s FROM index_for_like WHERE s LIKE ' Hello, Worl_% ' ;
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SET max_rows_to_read = 1 ;
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SELECT s FROM index_for_like WHERE s LIKE ' Hello, Worl\\_% ' ;
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DROP TABLE index_for_like ;