################################################################################
# inc/gcol_handler.inc #
# #
# Purpose: #
# Testing HANDLER. #
# #
# #
# #
#------------------------------------------------------------------------------#
# Original Author: Andrey Zhakov #
# Original Date: 2008 -09 -04 #
# Change Author: #
# Change Date: #
# Change: #
################################################################################
create table t1 (a int,
b int generated always as (-a) virtual,
c int generated always as (-a) stored,
d char (1 ),
index (a),
index (c));
insert into t1 (a,d) values (4 ,'a' ), (2 ,'b' ), (1 ,'c' ), (3 ,'d' );
select * from t1;
--echo # HANDLER tbl_name OPEN
handler t1 open;
--echo # HANDLER tbl_name READ non-gcol_index_name > (value1,value2,...)
handler t1 read a > (2 );
--echo # HANDLER tbl_name READ non-gcol_index_name > (value1,value2,...) WHERE non-gcol_field=expr
handler t1 read a > (2 ) where d='c' ;
--echo # HANDLER tbl_name READ gcol_index_name = (value1,value2,...)
handler t1 read c = (-2 );
--echo # HANDLER tbl_name READ gcol_index_name = (value1,value2,...) WHERE non-gcol_field=expr
handler t1 read c = (-2 ) where d='c' ;
--echo # HANDLER tbl_name READ non-gcol_index_name > (value1,value2,...) WHERE gcol_field=expr
handler t1 read a > (2 ) where b=-3 && c=-3 ;
--echo # HANDLER tbl_name READ gcol_index_name <= (value1,value2,...)
handler t1 read c <= (-2 );
--echo # HANDLER tbl_name READ gcol_index_name > (value1,value2,...) WHERE gcol_field=expr
handler t1 read c <= (-2 ) where b=-3 ;
--echo # HANDLER tbl_name READ gcol_index_name FIRST
handler t1 read c first;
--echo # HANDLER tbl_name READ gcol_index_name NEXT
handler t1 read c next;
--echo # HANDLER tbl_name READ gcol_index_name PREV
handler t1 read c prev;
--echo # HANDLER tbl_name READ gcol_index_name LAST
handler t1 read c last;
--echo # HANDLER tbl_name READ FIRST where non-gcol=expr
handler t1 read FIRST where a >= 2 ;
--echo # HANDLER tbl_name READ FIRST where gcol=expr
handler t1 read FIRST where b >= -2 ;
--echo # HANDLER tbl_name READ NEXT where non-gcol=expr
handler t1 read NEXT where d='c' ;
--echo # HANDLER tbl_name READ NEXT where gcol=expr
handler t1 read NEXT where b<=-4 ;
--echo # HANDLER tbl_name CLOSE
handler t1 close;
drop table t1;
Messung V0.5 in Prozent C=100 H=100 G=100
¤ Dauer der Verarbeitung: 0.11 Sekunden
(vorverarbeitet am 2026-10-08)
¤
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