mirror of
https://github.com/ClickHouse/ClickHouse.git
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86 lines
3.7 KiB
SQL
86 lines
3.7 KiB
SQL
-- Tags: use-vectorscan
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DROP TABLE IF EXISTS regexp_dictionary_source_table;
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DROP DICTIONARY IF EXISTS regexp_dict1;
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CREATE TABLE regexp_dictionary_source_table
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(
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id UInt64,
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parent_id UInt64,
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regexp String,
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keys Array(String),
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values Array(String),
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) ENGINE=TinyLog;
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-- test back reference.
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INSERT INTO regexp_dictionary_source_table VALUES (1, 0, 'Linux/(\d+[\.\d]*).+tlinux', ['name', 'version'], ['TencentOS', '\1'])
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INSERT INTO regexp_dictionary_source_table VALUES (2, 0, '(\d+)/tclwebkit(\d+[\.\d]*)', ['name', 'version', 'comment'], ['Andriod', '$1', 'test $1 and $2'])
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INSERT INTO regexp_dictionary_source_table VALUES (3, 2, '33/tclwebkit', ['version'], ['13'])
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INSERT INTO regexp_dictionary_source_table VALUES (4, 2, '3[12]/tclwebkit', ['version'], ['12'])
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INSERT INTO regexp_dictionary_source_table VALUES (5, 2, '3[12]/tclwebkit', ['version'], ['11'])
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INSERT INTO regexp_dictionary_source_table VALUES (6, 2, '3[12]/tclwebkit', ['version'], ['10'])
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create dictionary regexp_dict1
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(
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regexp String,
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name String,
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version Nullable(UInt64),
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comment String default 'nothing'
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)
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PRIMARY KEY(regexp)
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SOURCE(CLICKHOUSE(QUERY concat('select * from ', currentDatabase() , '.regexp_dictionary_source_table')))
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LIFETIME(0)
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LAYOUT(regexp_tree)
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SETTINGS(regexp_dict_allow_other_sources = true);
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select dictGet('regexp_dict1', ('name', 'version', 'comment'), 'Linux/101.tlinux');
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select dictGet('regexp_dict1', ('name', 'version', 'comment'), '33/tclwebkit11.10x');
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select dictGet('regexp_dict1', ('name', 'version', 'comment'), '30/tclwebkit');
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select dictGetOrDefault('regexp_dict1', ('name', 'version', 'comment'), '30/tclwebkit', ('', 0, 'default'));
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--test column input
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DROP table IF EXISTS needle_table;
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CREATE TABLE needle_table
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(
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key String
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)
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ENGINE=TinyLog;
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INSERT INTO needle_table select concat(toString(number + 30), '/tclwebkit', toString(number)) from system.numbers limit 15;
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select * from needle_table;
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select dictGet(regexp_dict1, ('name', 'version'), key) from needle_table;
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-- test invalid
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INSERT INTO regexp_dictionary_source_table VALUES (6, 2, '3[12]/tclwebkit', ['version'], ['10'])
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SYSTEM RELOAD dictionary regexp_dict1; -- { serverError 489 }
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truncate table regexp_dictionary_source_table;
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INSERT INTO regexp_dictionary_source_table VALUES (6, 2, '3[12]/tclwebkit', ['version'], ['10'])
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SYSTEM RELOAD dictionary regexp_dict1; -- { serverError 489 }
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truncate table regexp_dictionary_source_table;
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INSERT INTO regexp_dictionary_source_table VALUES (1, 2, 'Linux/(\d+[\.\d]*).+tlinux', ['name', 'version'], ['TencentOS', '\1'])
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INSERT INTO regexp_dictionary_source_table VALUES (2, 3, '(\d+)/tclwebkit(\d+[\.\d]*)', ['name', 'version', 'comment'], ['Andriod', '$1', 'test $1 and $2'])
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INSERT INTO regexp_dictionary_source_table VALUES (3, 1, '(\d+)/tclwebkit(\d+[\.\d]*)', ['name', 'version', 'comment'], ['Andriod', '$1', 'test $1 and $2'])
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SYSTEM RELOAD dictionary regexp_dict1; -- { serverError 489 }
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-- test priority
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truncate table regexp_dictionary_source_table;
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INSERT INTO regexp_dictionary_source_table VALUES (1, 0, '(\d+)/tclwebkit', ['name', 'version'], ['Andriod', '$1']);
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INSERT INTO regexp_dictionary_source_table VALUES (3, 1, '33/tclwebkit', ['name'], ['Andriod1']); -- child has more priority than parents.
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INSERT INTO regexp_dictionary_source_table VALUES (2, 0, '33/tclwebkit', ['version', 'comment'], ['13', 'matched 3']); -- larger id has lower priority than small id.
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SYSTEM RELOAD dictionary regexp_dict1;
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select dictGet(regexp_dict1, ('name', 'version', 'comment'), '33/tclwebkit');
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truncate table regexp_dictionary_source_table;
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SYSTEM RELOAD dictionary regexp_dict1; -- { serverError 489 }
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DROP TABLE IF EXISTS regexp_dictionary_source_table;
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DROP TABLE IF EXISTS needle_table;
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DROP DICTIONARY IF EXISTS regexp_dict1;
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