mirror of
https://github.com/ClickHouse/ClickHouse.git
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69 lines
2.7 KiB
SQL
69 lines
2.7 KiB
SQL
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drop table if exists nullable_set_index;
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create table nullable_set_index (a UInt64, b Nullable(String), INDEX b_index b TYPE set(0) GRANULARITY 8192) engine = MergeTree order by a;
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insert into nullable_set_index values (1, 'a');
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insert into nullable_set_index values (2, 'b');
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select * from nullable_set_index where b = 'a';
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select '-';
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select * from nullable_set_index where b = 'b';
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select '-';
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select * from nullable_set_index where b = 'c';
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select '--';
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drop table if exists nullable_set_index;
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create table nullable_set_index (a UInt64, b Nullable(String), INDEX b_index b TYPE set(1) GRANULARITY 8192) engine = MergeTree order by a;
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insert into nullable_set_index values (1, 'a');
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insert into nullable_set_index values (2, 'b');
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select * from nullable_set_index where b = 'a';
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select '-';
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select * from nullable_set_index where b = 'b';
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select '-';
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select * from nullable_set_index where b = 'c';
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select '--';
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drop table if exists nullable_set_index;
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create table nullable_set_index (a UInt64, b Nullable(String), INDEX b_index b TYPE set(0) GRANULARITY 8192) engine = MergeTree order by a;
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insert into nullable_set_index values (1, 'a'), (2, 'b');
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select * from nullable_set_index where b = 'a';
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select '-';
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select * from nullable_set_index where b = 'b';
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select '-';
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select * from nullable_set_index where b = 'c';
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select '----';
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drop table if exists nullable_set_index;
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create table nullable_set_index (a UInt64, b LowCardinality(Nullable(String)), INDEX b_index b TYPE set(0) GRANULARITY 8192) engine = MergeTree order by a;
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insert into nullable_set_index values (1, 'a');
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insert into nullable_set_index values (2, 'b');
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select * from nullable_set_index where b = 'a';
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select '-';
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select * from nullable_set_index where b = 'b';
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select '-';
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select * from nullable_set_index where b = 'c';
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select '--';
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drop table if exists nullable_set_index;
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create table nullable_set_index (a UInt64, b LowCardinality(Nullable(String)), INDEX b_index b TYPE set(1) GRANULARITY 8192) engine = MergeTree order by a;
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insert into nullable_set_index values (1, 'a');
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insert into nullable_set_index values (2, 'b');
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select * from nullable_set_index where b = 'a';
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select '-';
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select * from nullable_set_index where b = 'b';
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select '-';
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select * from nullable_set_index where b = 'c';
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select '--';
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drop table if exists nullable_set_index;
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create table nullable_set_index (a UInt64, b LowCardinality(Nullable(String)), INDEX b_index b TYPE set(0) GRANULARITY 8192) engine = MergeTree order by a;
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insert into nullable_set_index values (1, 'a'), (2, 'b');
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select * from nullable_set_index where b = 'a';
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select '-';
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select * from nullable_set_index where b = 'b';
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select '-';
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select * from nullable_set_index where b = 'c';
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select '----';
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drop table if exists nullable_set_index;
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