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37 lines
1.1 KiB
SQL
37 lines
1.1 KiB
SQL
select substring('abcdefgh', 2, -2);
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select substring('abcdefgh', materialize(2), -2);
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select substring('abcdefgh', 2, materialize(-2));
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select substring('abcdefgh', materialize(2), materialize(-2));
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select '-';
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select substring(cast('abcdefgh' as FixedString(8)), 2, -2);
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select substring(cast('abcdefgh' as FixedString(8)), materialize(2), -2);
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select substring(cast('abcdefgh' as FixedString(8)), 2, materialize(-2));
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select substring(cast('abcdefgh' as FixedString(8)), materialize(2), materialize(-2));
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select '-';
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drop table if exists t;
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create table t (s String, l Int8, r Int8) engine = Memory;
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insert into t values ('abcdefgh', 2, -2), ('12345678', 3, -3);
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select substring(s, 2, -2) from t;
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select substring(s, l, -2) from t;
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select substring(s, 2, r) from t;
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select substring(s, l, r) from t;
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select '-';
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drop table if exists t;
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create table t (s FixedString(8), l Int8, r Int8) engine = Memory;
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insert into t values ('abcdefgh', 2, -2), ('12345678', 3, -3);
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select substring(s, 2, -2) from t;
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select substring(s, l, -2) from t;
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select substring(s, 2, r) from t;
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select substring(s, l, r) from t;
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drop table if exists t;
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