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28 lines
695 B
Text
28 lines
695 B
Text
#
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# MDEV-371 Unique indexes for blobs
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#
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create table t1(a blob , unique(a) using hash);
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--query_vertical show keys from t1;
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drop table t1;
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--error ER_TOO_LONG_KEY
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create table t1(a blob , unique(a) using btree);
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create table t1(a int , unique(a) using hash);
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--query_vertical show keys from t1;
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drop table t1;
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create table t1(a int ,b int , c int, unique(a, b, c) using hash);
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show keys from t1;
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insert into t1 values(1,1,1);
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--error ER_DUP_ENTRY
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insert into t1 values(1,1,1);
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drop table t1;
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create table t1(a int ,b int , c int, unique(a, b, c) using hash) engine=memory;
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show keys from t1;
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insert into t1 values(1,1,1);
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--error ER_DUP_ENTRY
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insert into t1 values(1,1,1);
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drop table t1;
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