mirror of
https://github.com/MariaDB/server.git
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77 lines
1.9 KiB
Text
77 lines
1.9 KiB
Text
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SET @@session.storage_engine = 'maria';
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create table t1 (a int,
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b int as (-a),
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c int as (-a) persistent,
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d char(1),
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index (a),
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index (c));
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insert into t1 (a,d) values (4,'a'), (2,'b'), (1,'c'), (3,'d');
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select * from t1;
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a b c d
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4 -4 -4 a
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2 -2 -2 b
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1 -1 -1 c
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3 -3 -3 d
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# HANDLER tbl_name OPEN
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handler t1 open;
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# HANDLER tbl_name READ non-vcol_index_name > (value1,value2,...)
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handler t1 read a > (2);
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a b c d
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3 -3 -3 d
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# HANDLER tbl_name READ non-vcol_index_name > (value1,value2,...) WHERE non-vcol_field=expr
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handler t1 read a > (2) where d='c';
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a b c d
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# HANDLER tbl_name READ vcol_index_name = (value1,value2,...)
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handler t1 read c = (-2);
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a b c d
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2 -2 -2 b
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# HANDLER tbl_name READ vcol_index_name = (value1,value2,...) WHERE non-vcol_field=expr
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handler t1 read c = (-2) where d='c';
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a b c d
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# HANDLER tbl_name READ non-vcol_index_name > (value1,value2,...) WHERE vcol_field=expr
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handler t1 read a > (2) where b=-3 && c=-3;
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a b c d
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3 -3 -3 d
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# HANDLER tbl_name READ vcol_index_name <= (value1,value2,...)
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handler t1 read c <= (-2);
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a b c d
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2 -2 -2 b
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# HANDLER tbl_name READ vcol_index_name > (value1,value2,...) WHERE vcol_field=expr
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handler t1 read c <= (-2) where b=-3;
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a b c d
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3 -3 -3 d
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# HANDLER tbl_name READ vcol_index_name FIRST
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handler t1 read c first;
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a b c d
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4 -4 -4 a
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# HANDLER tbl_name READ vcol_index_name NEXT
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handler t1 read c next;
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a b c d
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3 -3 -3 d
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# HANDLER tbl_name READ vcol_index_name PREV
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handler t1 read c prev;
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a b c d
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4 -4 -4 a
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# HANDLER tbl_name READ vcol_index_name LAST
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handler t1 read c last;
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a b c d
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1 -1 -1 c
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# HANDLER tbl_name READ FIRST where non-vcol=expr
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handler t1 read FIRST where a >= 2;
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a b c d
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4 -4 -4 a
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# HANDLER tbl_name READ FIRST where vcol=expr
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handler t1 read FIRST where b >= -2;
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a b c d
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2 -2 -2 b
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# HANDLER tbl_name READ NEXT where non-vcol=expr
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handler t1 read NEXT where d='c';
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a b c d
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1 -1 -1 c
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# HANDLER tbl_name READ NEXT where vcol=expr
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handler t1 read NEXT where b<=-4;
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a b c d
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# HANDLER tbl_name CLOSE
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handler t1 close;
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drop table t1;
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