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10 lines
463 B
Text
10 lines
463 B
Text
--source include/not_embedded.inc
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--source include/have_ucs2.inc
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create or replace table t1 (col1 char(10) character set ucs2, filler char(100), key(col1)) ;
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insert into t1 values ('a', 'a');
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insert into t1 values ('a', 'a');
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set optimizer_trace=1;
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explain format=json select * from t1 force index(col1) where col1 >='a';
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select JSON_DETAILED(JSON_EXTRACT(trace, '$**.analyzing_range_alternatives')) AS JS from INFORMATION_SCHEMA.OPTIMIZER_TRACE;
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drop table t1;
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