初版

build/lib/mysql/mysql-test/include/index_merge_2sweeps.inc

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+# include/index_merge_2sweeps.inc
+#
+# 2-sweeps read Index_merge test
+#
+# The variable
+#     $engine_type       -- storage engine to be tested
+# has to be set before sourcing this script.
+#
+# Last update:
+# 2006-08-02 ML test refactored
+#               old name was index_merge_innodb2.test
+#               main code went into include/index_merge_2sweeps.inc
+#
+
+--echo #---------------- 2-sweeps read Index merge test 2 -------------------------------
+
+eval SET SESSION STORAGE_ENGINE = $engine_type;
+
+--disable_warnings
+drop table if exists t1;
+--enable_warnings
+
+create table t1 (
+  pk int primary key,
+  key1 int,
+  key2 int,
+  filler char(200),
+  filler2 char(200),
+  index(key1),
+  index(key2)
+);
+
+
+--disable_query_log
+let $1=1000;
+while ($1)
+{
+  eval insert into t1 values($1, $1, $1, 'filler-data','filler-data-2');
+  dec $1;
+}
+--enable_query_log
+
+select * from t1 where (key1 >= 2 and key1 <= 10) or (pk >= 4 and pk <=8 );
+
+set @maxv=1000;
+
+select * from t1 where
+  (pk < 5) or (pk > 10 and pk < 15) or (pk >= 50 and pk < 55 ) or (pk > @maxv-10)
+  or key1=18 or key1=60;
+
+select * from t1 where
+  (pk < 5) or (pk > 10 and pk < 15) or (pk >= 50 and pk < 55 ) or (pk > @maxv-10)
+  or key1 < 3 or key1 > @maxv-11;
+
+select * from t1 where
+  (pk < 5) or (pk > 10 and pk < 15) or (pk >= 50 and pk < 55 ) or (pk > @maxv-10)
+  or
+  (key1 < 5) or (key1 > 10 and key1 < 15) or (key1 >= 50 and key1 < 55 ) or (key1 > @maxv-10);
+
+select * from t1 where
+  (pk > 10 and pk < 15) or (pk >= 50 and pk < 55 )
+  or
+  (key1 < 5) or (key1 > @maxv-10);
+
+drop table t1;