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27 lines
1.3 KiB
Text
27 lines
1.3 KiB
Text
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DROP TABLE IF EXISTS t1,t2;
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CREATE TABLE t1 (pk1 int unsigned NOT NULL PRIMARY KEY, attr1 int unsigned NOT NULL, attr2 int unsigned, attr3 VARCHAR(10) ) ENGINE=ndbcluster;
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insert into t1 values (0,0,0, "a"),(1,1,1,"b"),(2,2,NULL,NULL),(3,3,3,"d"),(4,4,4,"e"),(5,5,5,"f");
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CREATE TABLE t2 (pk1 int unsigned NOT NULL PRIMARY KEY, attr1 int unsigned NOT NULL, attr2 int unsigned, attr3 VARCHAR(10) ) ENGINE=ndbcluster;
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insert into t2 values (0,0,0, "a"),(1,1,1,"b"),(2,2,2,"c"),(3,3,3,"d"),(4,4,4,"e"),(5,5,5,"f");
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set @old_ndbcpd = @@session.ndb_condition_pushdown;
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set ndb_condition_pushdown = off;
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select * from t1 where attr3 is null or attr1 > 2 and pk1= 3 order by pk1;
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pk1 attr1 attr2 attr3
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2 2 NULL NULL
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3 3 3 d
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select * from t1,t2 where t1.attr1 > 1 and t1.attr2 = t2.attr2 and t2.attr1 < 5 order by t1.pk1;
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pk1 attr1 attr2 attr3 pk1 attr1 attr2 attr3
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3 3 3 d 3 3 3 d
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4 4 4 e 4 4 4 e
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set ndb_condition_pushdown = on;
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select * from t1 where attr3 is null or attr1 > 2 and pk1= 3 order by pk1;
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pk1 attr1 attr2 attr3
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2 2 NULL NULL
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3 3 3 d
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select * from t1,t2 where t1.attr1 > 1 and t1.attr2 = t2.attr2 and t2.attr1 < 5 order by t1.pk1;
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pk1 attr1 attr2 attr3 pk1 attr1 attr2 attr3
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3 3 3 d 3 3 3 d
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4 4 4 e 4 4 4 e
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set ndb_condition_pushdown = @old_ndbcpd;
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DROP TABLE t1,t2;
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