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Posted to commits@hive.apache.org by jc...@apache.org on 2018/05/21 20:25:02 UTC

[25/51] [abbrv] [partial] hive git commit: HIVE-19617: Rename test tables to avoid collisions during execution in batches (Jesus Camacho Rodriguez, reviewed by Gunther Hagleitner)

http://git-wip-us.apache.org/repos/asf/hive/blob/38d3b8e1/ql/src/test/queries/clientpositive/materialized_view_rewrite_5.q
----------------------------------------------------------------------
diff --git a/ql/src/test/queries/clientpositive/materialized_view_rewrite_5.q b/ql/src/test/queries/clientpositive/materialized_view_rewrite_5.q
index 9ffae37..2964c83 100644
--- a/ql/src/test/queries/clientpositive/materialized_view_rewrite_5.q
+++ b/ql/src/test/queries/clientpositive/materialized_view_rewrite_5.q
@@ -7,291 +7,291 @@ set hive.strict.checks.cartesian.product=false;
 set hive.stats.fetch.column.stats=true;
 set hive.materializedview.rewriting=true;
 
-create table emps (
+create table emps_n2 (
   empid int,
   deptno int,
   name varchar(256),
   salary float,
   commission int)
 stored as orc TBLPROPERTIES ('transactional'='true');
-insert into emps values (100, 10, 'Bill', 10000, 1000), (200, 20, 'Eric', 8000, 500),
+insert into emps_n2 values (100, 10, 'Bill', 10000, 1000), (200, 20, 'Eric', 8000, 500),
   (150, 10, 'Sebastian', 7000, null), (110, 10, 'Theodore', 10000, 250), (110, 10, 'Bill', 10000, 250);
-analyze table emps compute statistics for columns;
+analyze table emps_n2 compute statistics for columns;
 
-create table depts (
+create table depts_n1 (
   deptno int,
   name varchar(256),
   locationid int)
 stored as orc TBLPROPERTIES ('transactional'='true');
-insert into depts values (10, 'Sales', 10), (30, 'Marketing', null), (20, 'HR', 20);
-analyze table depts compute statistics for columns;
+insert into depts_n1 values (10, 'Sales', 10), (30, 'Marketing', null), (20, 'HR', 20);
+analyze table depts_n1 compute statistics for columns;
 
-create table dependents (
+create table dependents_n1 (
   empid int,
   name varchar(256))
 stored as orc TBLPROPERTIES ('transactional'='true');
-insert into dependents values (10, 'Michael'), (10, 'Jane');
-analyze table dependents compute statistics for columns;
+insert into dependents_n1 values (10, 'Michael'), (10, 'Jane');
+analyze table dependents_n1 compute statistics for columns;
 
-create table locations (
+create table locations_n1 (
   locationid int,
   name varchar(256))
 stored as orc TBLPROPERTIES ('transactional'='true');
-insert into locations values (10, 'San Francisco'), (10, 'San Diego');
-analyze table locations compute statistics for columns;
+insert into locations_n1 values (10, 'San Francisco'), (10, 'San Diego');
+analyze table locations_n1 compute statistics for columns;
 
-alter table emps add constraint pk1 primary key (empid) disable novalidate rely;
-alter table depts add constraint pk2 primary key (deptno) disable novalidate rely;
-alter table dependents add constraint pk3 primary key (empid) disable novalidate rely;
-alter table locations add constraint pk4 primary key (locationid) disable novalidate rely;
+alter table emps_n2 add constraint pk1 primary key (empid) disable novalidate rely;
+alter table depts_n1 add constraint pk2 primary key (deptno) disable novalidate rely;
+alter table dependents_n1 add constraint pk3 primary key (empid) disable novalidate rely;
+alter table locations_n1 add constraint pk4 primary key (locationid) disable novalidate rely;
 
-alter table emps add constraint fk1 foreign key (deptno) references depts(deptno) disable novalidate rely;
-alter table depts add constraint fk2 foreign key (locationid) references locations(locationid) disable novalidate rely;
+alter table emps_n2 add constraint fk1 foreign key (deptno) references depts_n1(deptno) disable novalidate rely;
+alter table depts_n1 add constraint fk2 foreign key (locationid) references locations_n1(locationid) disable novalidate rely;
 
-alter table emps change column deptno deptno int constraint nn1 not null disable novalidate rely;
-alter table depts change column locationid locationid int constraint nn2 not null disable novalidate rely;
+alter table emps_n2 change column deptno deptno int constraint nn1 not null disable novalidate rely;
+alter table depts_n1 change column locationid locationid int constraint nn2 not null disable novalidate rely;
 
 
 -- EXAMPLE 8
-create materialized view mv1 enable rewrite as
-select name, deptno, salary from emps where deptno > 15 group by name, deptno, salary;
-analyze table mv1 compute statistics for columns;
+create materialized view mv1_n1 enable rewrite as
+select name, deptno, salary from emps_n2 where deptno > 15 group by name, deptno, salary;
+analyze table mv1_n1 compute statistics for columns;
 
 explain
-select name from emps where deptno >= 20 group by name;
+select name from emps_n2 where deptno >= 20 group by name;
 
-select name from emps where deptno >= 20 group by name;
+select name from emps_n2 where deptno >= 20 group by name;
 
-drop materialized view mv1;
+drop materialized view mv1_n1;
 
 -- EXAMPLE 12
-create materialized view mv1 enable rewrite as
+create materialized view mv1_n1 enable rewrite as
 select name, deptno, salary, count(*) as c, sum(empid) as s
-from emps where deptno >= 15 group by name, deptno, salary;
-analyze table mv1 compute statistics for columns;
+from emps_n2 where deptno >= 15 group by name, deptno, salary;
+analyze table mv1_n1 compute statistics for columns;
 
 explain
 select name, sum(empid) as s
-from emps where deptno > 15 group by name;
+from emps_n2 where deptno > 15 group by name;
 
 select name, sum(empid) as s
-from emps where deptno > 15 group by name;
+from emps_n2 where deptno > 15 group by name;
 
-drop materialized view mv1;
+drop materialized view mv1_n1;
 
 -- EXAMPLE 22
-create materialized view mv1 enable rewrite as
-select depts.deptno, dependents.empid
-from depts
-join dependents on (depts.name = dependents.name)
-join locations on (locations.name = dependents.name)
-join emps on (emps.deptno = depts.deptno)
-where depts.deptno > 10 and depts.deptno < 20
-group by depts.deptno, dependents.empid;
-analyze table mv1 compute statistics for columns;
+create materialized view mv1_n1 enable rewrite as
+select depts_n1.deptno, dependents_n1.empid
+from depts_n1
+join dependents_n1 on (depts_n1.name = dependents_n1.name)
+join locations_n1 on (locations_n1.name = dependents_n1.name)
+join emps_n2 on (emps_n2.deptno = depts_n1.deptno)
+where depts_n1.deptno > 10 and depts_n1.deptno < 20
+group by depts_n1.deptno, dependents_n1.empid;
+analyze table mv1_n1 compute statistics for columns;
 
 explain
-select dependents.empid
-from depts
-join dependents on (depts.name = dependents.name)
-join locations on (locations.name = dependents.name)
-join emps on (emps.deptno = depts.deptno)
-where depts.deptno > 11 and depts.deptno < 19
-group by dependents.empid;
-
-select dependents.empid
-from depts
-join dependents on (depts.name = dependents.name)
-join locations on (locations.name = dependents.name)
-join emps on (emps.deptno = depts.deptno)
-where depts.deptno > 11 and depts.deptno < 19
-group by dependents.empid;
-
-drop materialized view mv1;
+select dependents_n1.empid
+from depts_n1
+join dependents_n1 on (depts_n1.name = dependents_n1.name)
+join locations_n1 on (locations_n1.name = dependents_n1.name)
+join emps_n2 on (emps_n2.deptno = depts_n1.deptno)
+where depts_n1.deptno > 11 and depts_n1.deptno < 19
+group by dependents_n1.empid;
+
+select dependents_n1.empid
+from depts_n1
+join dependents_n1 on (depts_n1.name = dependents_n1.name)
+join locations_n1 on (locations_n1.name = dependents_n1.name)
+join emps_n2 on (emps_n2.deptno = depts_n1.deptno)
+where depts_n1.deptno > 11 and depts_n1.deptno < 19
+group by dependents_n1.empid;
+
+drop materialized view mv1_n1;
 
 -- EXAMPLE 24
-create materialized view mv1 enable rewrite as
-select empid, depts.deptno, count(*) as c, sum(empid) as s
-from emps join depts using (deptno)
-group by empid, depts.deptno;
-analyze table mv1 compute statistics for columns;
+create materialized view mv1_n1 enable rewrite as
+select empid, depts_n1.deptno, count(*) as c, sum(empid) as s
+from emps_n2 join depts_n1 using (deptno)
+group by empid, depts_n1.deptno;
+analyze table mv1_n1 compute statistics for columns;
 
 explain
-select deptno from emps group by deptno;
+select deptno from emps_n2 group by deptno;
 
-select deptno from emps group by deptno;
+select deptno from emps_n2 group by deptno;
 
-drop materialized view mv1;
+drop materialized view mv1_n1;
 
 -- EXAMPLE 26
-create materialized view mv1 enable rewrite as
-select empid, depts.deptno, count(*) as c, sum(empid) as s
-from emps join depts using (deptno)
-group by empid, depts.deptno;
-analyze table mv1 compute statistics for columns;
+create materialized view mv1_n1 enable rewrite as
+select empid, depts_n1.deptno, count(*) as c, sum(empid) as s
+from emps_n2 join depts_n1 using (deptno)
+group by empid, depts_n1.deptno;
+analyze table mv1_n1 compute statistics for columns;
 
 explain
 select deptno, empid, sum(empid) as s, count(*) as c
-from emps group by empid, deptno;
+from emps_n2 group by empid, deptno;
 
 select deptno, empid, sum(empid) as s, count(*) as c
-from emps group by empid, deptno;
+from emps_n2 group by empid, deptno;
 
-drop materialized view mv1;
+drop materialized view mv1_n1;
 
 -- EXAMPLE 30
-create materialized view mv1 enable rewrite as
-select dependents.empid, emps.deptno, sum(salary) as s
-from emps
-join dependents on (emps.empid = dependents.empid)
-group by dependents.empid, emps.deptno;
-analyze table mv1 compute statistics for columns;
+create materialized view mv1_n1 enable rewrite as
+select dependents_n1.empid, emps_n2.deptno, sum(salary) as s
+from emps_n2
+join dependents_n1 on (emps_n2.empid = dependents_n1.empid)
+group by dependents_n1.empid, emps_n2.deptno;
+analyze table mv1_n1 compute statistics for columns;
 
 explain
-select dependents.empid, sum(salary) as s
-from emps
-join depts on (emps.deptno = depts.deptno)
-join dependents on (emps.empid = dependents.empid)
-group by dependents.empid;
+select dependents_n1.empid, sum(salary) as s
+from emps_n2
+join depts_n1 on (emps_n2.deptno = depts_n1.deptno)
+join dependents_n1 on (emps_n2.empid = dependents_n1.empid)
+group by dependents_n1.empid;
 
-select dependents.empid, sum(salary) as s
-from emps
-join depts on (emps.deptno = depts.deptno)
-join dependents on (emps.empid = dependents.empid)
-group by dependents.empid;
+select dependents_n1.empid, sum(salary) as s
+from emps_n2
+join depts_n1 on (emps_n2.deptno = depts_n1.deptno)
+join dependents_n1 on (emps_n2.empid = dependents_n1.empid)
+group by dependents_n1.empid;
 
-drop materialized view mv1;
+drop materialized view mv1_n1;
 
 -- EXAMPLE 31
-create materialized view mv1 enable rewrite as
-select dependents.empid, emps.deptno, sum(salary) as s
-from emps
-join dependents on (emps.empid = dependents.empid)
-group by dependents.empid, emps.deptno;
-analyze table mv1 compute statistics for columns;
+create materialized view mv1_n1 enable rewrite as
+select dependents_n1.empid, emps_n2.deptno, sum(salary) as s
+from emps_n2
+join dependents_n1 on (emps_n2.empid = dependents_n1.empid)
+group by dependents_n1.empid, emps_n2.deptno;
+analyze table mv1_n1 compute statistics for columns;
 
 explain
-select depts.name, sum(salary) as s
-from emps
-join depts on (emps.deptno = depts.deptno)
-join dependents on (emps.empid = dependents.empid)
-group by depts.name;
+select depts_n1.name, sum(salary) as s
+from emps_n2
+join depts_n1 on (emps_n2.deptno = depts_n1.deptno)
+join dependents_n1 on (emps_n2.empid = dependents_n1.empid)
+group by depts_n1.name;
 
-select depts.name, sum(salary) as s
-from emps
-join depts on (emps.deptno = depts.deptno)
-join dependents on (emps.empid = dependents.empid)
-group by depts.name;
+select depts_n1.name, sum(salary) as s
+from emps_n2
+join depts_n1 on (emps_n2.deptno = depts_n1.deptno)
+join dependents_n1 on (emps_n2.empid = dependents_n1.empid)
+group by depts_n1.name;
 
-drop materialized view mv1;
+drop materialized view mv1_n1;
 
 -- EXAMPLE 41
-create materialized view mv1 enable rewrite as
+create materialized view mv1_n1 enable rewrite as
 select a.empid deptno from
-(select * from emps where empid = 1) a
-join depts on (a.deptno = depts.deptno)
-join dependents on (a.empid = dependents.empid);
-analyze table mv1 compute statistics for columns;
+(select * from emps_n2 where empid = 1) a
+join depts_n1 on (a.deptno = depts_n1.deptno)
+join dependents_n1 on (a.empid = dependents_n1.empid);
+analyze table mv1_n1 compute statistics for columns;
 
 explain
 select a.empid from 
-(select * from emps where empid = 1) a
-join dependents on (a.empid = dependents.empid);
+(select * from emps_n2 where empid = 1) a
+join dependents_n1 on (a.empid = dependents_n1.empid);
 
 select a.empid from 
-(select * from emps where empid = 1) a
-join dependents on (a.empid = dependents.empid);
+(select * from emps_n2 where empid = 1) a
+join dependents_n1 on (a.empid = dependents_n1.empid);
 
-drop materialized view mv1;
+drop materialized view mv1_n1;
 
 -- EXAMPLE 42
-create materialized view mv1 enable rewrite as
+create materialized view mv1_n1 enable rewrite as
 select a.empid, a.deptno from
-(select * from emps where empid = 1) a
-join depts on (a.deptno = depts.deptno)
-join dependents on (a.empid = dependents.empid);
-analyze table mv1 compute statistics for columns;
+(select * from emps_n2 where empid = 1) a
+join depts_n1 on (a.deptno = depts_n1.deptno)
+join dependents_n1 on (a.empid = dependents_n1.empid);
+analyze table mv1_n1 compute statistics for columns;
 
 explain
 select a.empid from 
-(select * from emps where empid = 1) a
-join dependents on (a.empid = dependents.empid);
+(select * from emps_n2 where empid = 1) a
+join dependents_n1 on (a.empid = dependents_n1.empid);
 
 select a.empid from 
-(select * from emps where empid = 1) a
-join dependents on (a.empid = dependents.empid);
+(select * from emps_n2 where empid = 1) a
+join dependents_n1 on (a.empid = dependents_n1.empid);
 
-drop materialized view mv1;
+drop materialized view mv1_n1;
 
 -- EXAMPLE 43
-create materialized view mv1 enable rewrite as
+create materialized view mv1_n1 enable rewrite as
 select empid deptno from
-(select * from emps where empid = 1) a
-join depts on (a.deptno = depts.deptno);
-analyze table mv1 compute statistics for columns;
+(select * from emps_n2 where empid = 1) a
+join depts_n1 on (a.deptno = depts_n1.deptno);
+analyze table mv1_n1 compute statistics for columns;
 
 explain
-select empid from emps where empid = 1;
+select empid from emps_n2 where empid = 1;
 
-select empid from emps where empid = 1;
+select empid from emps_n2 where empid = 1;
 
-drop materialized view mv1;
+drop materialized view mv1_n1;
 
 -- EXAMPLE 44
-create materialized view mv1 enable rewrite as
-select emps.empid, emps.deptno from emps
-join depts on (emps.deptno = depts.deptno)
-join dependents on (emps.empid = dependents.empid)
-where emps.empid = 1;
-analyze table mv1 compute statistics for columns;
+create materialized view mv1_n1 enable rewrite as
+select emps_n2.empid, emps_n2.deptno from emps_n2
+join depts_n1 on (emps_n2.deptno = depts_n1.deptno)
+join dependents_n1 on (emps_n2.empid = dependents_n1.empid)
+where emps_n2.empid = 1;
+analyze table mv1_n1 compute statistics for columns;
 
 explain
-select emps.empid from emps
-join dependents on (emps.empid = dependents.empid)
-where emps.empid = 1;
+select emps_n2.empid from emps_n2
+join dependents_n1 on (emps_n2.empid = dependents_n1.empid)
+where emps_n2.empid = 1;
 
-select emps.empid from emps
-join dependents on (emps.empid = dependents.empid)
-where emps.empid = 1;
+select emps_n2.empid from emps_n2
+join dependents_n1 on (emps_n2.empid = dependents_n1.empid)
+where emps_n2.empid = 1;
 
-drop materialized view mv1;
+drop materialized view mv1_n1;
 
 -- EXAMPLE 45a
-create materialized view mv1 enable rewrite as
-select emps.empid, emps.deptno from emps
-join depts a on (emps.deptno=a.deptno)
-join depts b on (emps.deptno=b.deptno)
-join dependents on (emps.empid = dependents.empid)
-where emps.empid = 1;
-analyze table mv1 compute statistics for columns;
+create materialized view mv1_n1 enable rewrite as
+select emps_n2.empid, emps_n2.deptno from emps_n2
+join depts_n1 a on (emps_n2.deptno=a.deptno)
+join depts_n1 b on (emps_n2.deptno=b.deptno)
+join dependents_n1 on (emps_n2.empid = dependents_n1.empid)
+where emps_n2.empid = 1;
+analyze table mv1_n1 compute statistics for columns;
 
 explain
-select emps.empid from emps
-join dependents on (emps.empid = dependents.empid)
-where emps.empid = 1;
+select emps_n2.empid from emps_n2
+join dependents_n1 on (emps_n2.empid = dependents_n1.empid)
+where emps_n2.empid = 1;
 
-select emps.empid from emps
-join dependents on (emps.empid = dependents.empid)
-where emps.empid = 1;
+select emps_n2.empid from emps_n2
+join dependents_n1 on (emps_n2.empid = dependents_n1.empid)
+where emps_n2.empid = 1;
 
-drop materialized view mv1;
+drop materialized view mv1_n1;
 
 -- EXAMPLE 45b
-create materialized view mv1 enable rewrite as
-select emps.empid, emps.deptno from emps
-join depts a on (emps.deptno=a.deptno)
-join depts b on (emps.deptno=b.deptno)
-join dependents on (emps.empid = dependents.empid)
-where emps.name = 'Sebastian';
-analyze table mv1 compute statistics for columns;
+create materialized view mv1_n1 enable rewrite as
+select emps_n2.empid, emps_n2.deptno from emps_n2
+join depts_n1 a on (emps_n2.deptno=a.deptno)
+join depts_n1 b on (emps_n2.deptno=b.deptno)
+join dependents_n1 on (emps_n2.empid = dependents_n1.empid)
+where emps_n2.name = 'Sebastian';
+analyze table mv1_n1 compute statistics for columns;
 
 explain
-select emps.empid from emps
-join dependents on (emps.empid = dependents.empid)
-where emps.name = 'Sebastian';
+select emps_n2.empid from emps_n2
+join dependents_n1 on (emps_n2.empid = dependents_n1.empid)
+where emps_n2.name = 'Sebastian';
 
-select emps.empid from emps
-join dependents on (emps.empid = dependents.empid)
-where emps.name = 'Sebastian';
+select emps_n2.empid from emps_n2
+join dependents_n1 on (emps_n2.empid = dependents_n1.empid)
+where emps_n2.name = 'Sebastian';
 
-drop materialized view mv1;
+drop materialized view mv1_n1;

http://git-wip-us.apache.org/repos/asf/hive/blob/38d3b8e1/ql/src/test/queries/clientpositive/materialized_view_rewrite_7.q
----------------------------------------------------------------------
diff --git a/ql/src/test/queries/clientpositive/materialized_view_rewrite_7.q b/ql/src/test/queries/clientpositive/materialized_view_rewrite_7.q
index e39c223..7d2eb48 100644
--- a/ql/src/test/queries/clientpositive/materialized_view_rewrite_7.q
+++ b/ql/src/test/queries/clientpositive/materialized_view_rewrite_7.q
@@ -7,132 +7,132 @@ set hive.strict.checks.cartesian.product=false;
 set hive.stats.fetch.column.stats=true;
 set hive.materializedview.rewriting=true;
 
-create table emps (
+create table emps_n8 (
   empid int,
   deptno int,
   name varchar(256),
   salary float,
   commission int)
 stored as orc TBLPROPERTIES ('transactional'='true');
-insert into emps values (100, 10, 'Bill', 10000, 1000), (200, 20, 'Eric', 8000, 500),
+insert into emps_n8 values (100, 10, 'Bill', 10000, 1000), (200, 20, 'Eric', 8000, 500),
   (150, 10, 'Sebastian', 7000, null), (110, 10, 'Theodore', 10000, 250);
-analyze table emps compute statistics for columns;
+analyze table emps_n8 compute statistics for columns;
 
-create table depts (
+create table depts_n6 (
   deptno int,
   name varchar(256),
   locationid int)
 stored as orc TBLPROPERTIES ('transactional'='true');
-insert into depts values (10, 'Sales', 10), (30, 'Marketing', null), (20, 'HR', 20);
-analyze table depts compute statistics for columns;
+insert into depts_n6 values (10, 'Sales', 10), (30, 'Marketing', null), (20, 'HR', 20);
+analyze table depts_n6 compute statistics for columns;
 
-create table dependents (
+create table dependents_n4 (
   empid int,
   name varchar(256))
 stored as orc TBLPROPERTIES ('transactional'='true');
-insert into dependents values (10, 'Michael'), (10, 'Jane');
-analyze table dependents compute statistics for columns;
+insert into dependents_n4 values (10, 'Michael'), (10, 'Jane');
+analyze table dependents_n4 compute statistics for columns;
 
-create table locations (
+create table locations_n4 (
   locationid int,
   name varchar(256))
 stored as orc TBLPROPERTIES ('transactional'='true');
-insert into locations values (10, 'San Francisco'), (10, 'San Diego');
-analyze table locations compute statistics for columns;
+insert into locations_n4 values (10, 'San Francisco'), (10, 'San Diego');
+analyze table locations_n4 compute statistics for columns;
 
-alter table emps add constraint pk1 primary key (empid) disable novalidate rely;
-alter table depts add constraint pk2 primary key (deptno) disable novalidate rely;
-alter table dependents add constraint pk3 primary key (empid) disable novalidate rely;
-alter table locations add constraint pk4 primary key (locationid) disable novalidate rely;
+alter table emps_n8 add constraint pk1 primary key (empid) disable novalidate rely;
+alter table depts_n6 add constraint pk2 primary key (deptno) disable novalidate rely;
+alter table dependents_n4 add constraint pk3 primary key (empid) disable novalidate rely;
+alter table locations_n4 add constraint pk4 primary key (locationid) disable novalidate rely;
 
-alter table emps add constraint fk1 foreign key (deptno) references depts(deptno) disable novalidate rely;
-alter table depts add constraint fk2 foreign key (locationid) references locations(locationid) disable novalidate rely;
+alter table emps_n8 add constraint fk1 foreign key (deptno) references depts_n6(deptno) disable novalidate rely;
+alter table depts_n6 add constraint fk2 foreign key (locationid) references locations_n4(locationid) disable novalidate rely;
 
-alter table emps change column deptno deptno int constraint nn1 not null disable novalidate rely;
-alter table depts change column locationid locationid int constraint nn2 not null disable novalidate rely;
+alter table emps_n8 change column deptno deptno int constraint nn1 not null disable novalidate rely;
+alter table depts_n6 change column locationid locationid int constraint nn2 not null disable novalidate rely;
 
 
 -- EXAMPLE 21 -- WORKS NOW
-create materialized view mv1 enable rewrite as
-select depts.deptno, dependents.empid
-from depts
-join dependents on (depts.name = dependents.name)
-join locations on (locations.name = dependents.name)
-join emps on (emps.deptno = depts.deptno)
-where depts.deptno > 11
-group by depts.deptno, dependents.empid;
-analyze table mv1 compute statistics for columns;
+create materialized view mv1_n4 enable rewrite as
+select depts_n6.deptno, dependents_n4.empid
+from depts_n6
+join dependents_n4 on (depts_n6.name = dependents_n4.name)
+join locations_n4 on (locations_n4.name = dependents_n4.name)
+join emps_n8 on (emps_n8.deptno = depts_n6.deptno)
+where depts_n6.deptno > 11
+group by depts_n6.deptno, dependents_n4.empid;
+analyze table mv1_n4 compute statistics for columns;
 
 explain
-select dependents.empid, depts.deptno
-from depts
-join dependents on (depts.name = dependents.name)
-join locations on (locations.name = dependents.name)
-join emps on (emps.deptno = depts.deptno)
-where depts.deptno > 10
-group by dependents.empid, depts.deptno;
-
-select dependents.empid, depts.deptno
-from depts
-join dependents on (depts.name = dependents.name)
-join locations on (locations.name = dependents.name)
-join emps on (emps.deptno = depts.deptno)
-where depts.deptno > 10
-group by dependents.empid, depts.deptno;
-
-drop materialized view mv1;
+select dependents_n4.empid, depts_n6.deptno
+from depts_n6
+join dependents_n4 on (depts_n6.name = dependents_n4.name)
+join locations_n4 on (locations_n4.name = dependents_n4.name)
+join emps_n8 on (emps_n8.deptno = depts_n6.deptno)
+where depts_n6.deptno > 10
+group by dependents_n4.empid, depts_n6.deptno;
+
+select dependents_n4.empid, depts_n6.deptno
+from depts_n6
+join dependents_n4 on (depts_n6.name = dependents_n4.name)
+join locations_n4 on (locations_n4.name = dependents_n4.name)
+join emps_n8 on (emps_n8.deptno = depts_n6.deptno)
+where depts_n6.deptno > 10
+group by dependents_n4.empid, depts_n6.deptno;
+
+drop materialized view mv1_n4;
 
 -- EXAMPLE 33
-create materialized view mv1 enable rewrite as
-select depts.deptno, dependents.empid, count(emps.salary) as s
-from depts
-join dependents on (depts.name = dependents.name)
-join locations on (locations.name = dependents.name)
-join emps on (emps.deptno = depts.deptno)
-where depts.deptno > 11 and depts.deptno < 19
-group by depts.deptno, dependents.empid;
-analyze table mv1 compute statistics for columns;
+create materialized view mv1_n4 enable rewrite as
+select depts_n6.deptno, dependents_n4.empid, count(emps_n8.salary) as s
+from depts_n6
+join dependents_n4 on (depts_n6.name = dependents_n4.name)
+join locations_n4 on (locations_n4.name = dependents_n4.name)
+join emps_n8 on (emps_n8.deptno = depts_n6.deptno)
+where depts_n6.deptno > 11 and depts_n6.deptno < 19
+group by depts_n6.deptno, dependents_n4.empid;
+analyze table mv1_n4 compute statistics for columns;
 
 explain
-select dependents.empid, count(emps.salary) + 1
-from depts
-join dependents on (depts.name = dependents.name)
-join locations on (locations.name = dependents.name)
-join emps on (emps.deptno = depts.deptno)
-where depts.deptno > 10 and depts.deptno < 20
-group by dependents.empid;
-
-select dependents.empid, count(emps.salary) + 1
-from depts
-join dependents on (depts.name = dependents.name)
-join locations on (locations.name = dependents.name)
-join emps on (emps.deptno = depts.deptno)
-where depts.deptno > 10 and depts.deptno < 20
-group by dependents.empid;
-
-drop materialized view mv1;
+select dependents_n4.empid, count(emps_n8.salary) + 1
+from depts_n6
+join dependents_n4 on (depts_n6.name = dependents_n4.name)
+join locations_n4 on (locations_n4.name = dependents_n4.name)
+join emps_n8 on (emps_n8.deptno = depts_n6.deptno)
+where depts_n6.deptno > 10 and depts_n6.deptno < 20
+group by dependents_n4.empid;
+
+select dependents_n4.empid, count(emps_n8.salary) + 1
+from depts_n6
+join dependents_n4 on (depts_n6.name = dependents_n4.name)
+join locations_n4 on (locations_n4.name = dependents_n4.name)
+join emps_n8 on (emps_n8.deptno = depts_n6.deptno)
+where depts_n6.deptno > 10 and depts_n6.deptno < 20
+group by dependents_n4.empid;
+
+drop materialized view mv1_n4;
 
 -- EXAMPLE 40 -- REWRITING HAPPENS BUT DISCARDED
 -- DUE TO COST EXCEPT WITH HEURISTICS
-create materialized view mv1 enable rewrite as
-select depts.deptno, dependents.empid
-from depts
-join dependents on (depts.name = dependents.name)
-join emps on (emps.deptno = depts.deptno)
-where depts.deptno >= 10;
-analyze table mv1 compute statistics for columns;
+create materialized view mv1_n4 enable rewrite as
+select depts_n6.deptno, dependents_n4.empid
+from depts_n6
+join dependents_n4 on (depts_n6.name = dependents_n4.name)
+join emps_n8 on (emps_n8.deptno = depts_n6.deptno)
+where depts_n6.deptno >= 10;
+analyze table mv1_n4 compute statistics for columns;
 
 explain
-select dependents.empid
-from depts
-join dependents on (depts.name = dependents.name)
-join emps on (emps.deptno = depts.deptno)
-where depts.deptno > 0;
-
-select dependents.empid
-from depts
-join dependents on (depts.name = dependents.name)
-join emps on (emps.deptno = depts.deptno)
-where depts.deptno > 0;
-
-drop materialized view mv1;
+select dependents_n4.empid
+from depts_n6
+join dependents_n4 on (depts_n6.name = dependents_n4.name)
+join emps_n8 on (emps_n8.deptno = depts_n6.deptno)
+where depts_n6.deptno > 0;
+
+select dependents_n4.empid
+from depts_n6
+join dependents_n4 on (depts_n6.name = dependents_n4.name)
+join emps_n8 on (emps_n8.deptno = depts_n6.deptno)
+where depts_n6.deptno > 0;
+
+drop materialized view mv1_n4;

http://git-wip-us.apache.org/repos/asf/hive/blob/38d3b8e1/ql/src/test/queries/clientpositive/materialized_view_rewrite_9.q
----------------------------------------------------------------------
diff --git a/ql/src/test/queries/clientpositive/materialized_view_rewrite_9.q b/ql/src/test/queries/clientpositive/materialized_view_rewrite_9.q
index fda6d03..97700b0 100644
--- a/ql/src/test/queries/clientpositive/materialized_view_rewrite_9.q
+++ b/ql/src/test/queries/clientpositive/materialized_view_rewrite_9.q
@@ -7,7 +7,7 @@ set hive.strict.checks.cartesian.product=false;
 set hive.stats.fetch.column.stats=true;
 set hive.materializedview.rewriting=true;
 
-create table if not exists source_table_001 (
+create table if not exists source_table_001_n0 (
 MY_DATE timestamp,
 MY_ID bigint,
 MY_ID2 bigint,
@@ -17,56 +17,56 @@ UP_VOLUME bigint
 )
 stored AS ORC
 TBLPROPERTIES("transactional"="true");
-insert into table source_table_001
+insert into table source_table_001_n0
   values ('2010-10-10 00:00:00', 1, 1, 'env', 1, 1);
-analyze table source_table_001 compute statistics for columns;
+analyze table source_table_001_n0 compute statistics for columns;
 
-CREATE MATERIALIZED VIEW source_table_001_mv ENABLE REWRITE AS
+CREATE MATERIALIZED VIEW source_table_001_mv_n0 ENABLE REWRITE AS
 SELECT
 SUM(A.DOWN_VOLUME) AS DOWN_VOLUME_SUM,
 SUM(A.UP_VOLUME) AS UP_VOLUME_SUM,
 A.MY_ID,A.MY_DATE,A.MY_ID2,A.ENVIRONMENT
-from source_table_001 AS A
+from source_table_001_n0 AS A
 group by A.MY_ID,A.MY_ID2,A.ENVIRONMENT,A.MY_DATE;
-analyze table source_table_001_mv compute statistics for columns;
+analyze table source_table_001_mv_n0 compute statistics for columns;
 
 explain
 select
 SUM(A.DOWN_VOLUME) AS DOWNLOAD_VOLUME_BYTES,
 FLOOR(A.MY_DATE to hour),A.MY_ID2,A.ENVIRONMENT
-FROM source_table_001 AS A
+FROM source_table_001_n0 AS A
 group by A.MY_ID,A.MY_ID2,A.ENVIRONMENT,FLOOR(A.MY_DATE to hour);
 
-DROP MATERIALIZED VIEW source_table_001_mv;
+DROP MATERIALIZED VIEW source_table_001_mv_n0;
 
-CREATE MATERIALIZED VIEW source_table_001_mv ENABLE REWRITE AS
+CREATE MATERIALIZED VIEW source_table_001_mv_n0 ENABLE REWRITE AS
 SELECT
 SUM(A.DOWN_VOLUME) AS DOWN_VOLUME_SUM,
 SUM(A.UP_VOLUME) AS UP_VOLUME_SUM,
 A.MY_ID,FLOOR(A.MY_DATE to hour),A.MY_ID2,A.ENVIRONMENT
-from source_table_001 AS A
+from source_table_001_n0 AS A
 group by A.MY_ID,A.MY_ID2,A.ENVIRONMENT,FLOOR(A.MY_DATE to hour);
-analyze table source_table_001_mv compute statistics for columns;
+analyze table source_table_001_mv_n0 compute statistics for columns;
 
 explain
 select
 SUM(A.DOWN_VOLUME) AS DOWNLOAD_VOLUME_BYTES,
 FLOOR(A.MY_DATE to day),A.MY_ID2,A.ENVIRONMENT
-FROM source_table_001 AS A
+FROM source_table_001_n0 AS A
 group by A.MY_ID,A.MY_ID2,A.ENVIRONMENT,FLOOR(A.MY_DATE to day);
 
 explain
 select
 SUM(A.DOWN_VOLUME) AS DOWNLOAD_VOLUME_BYTES,
 FLOOR(A.MY_DATE to hour),A.MY_ID2,A.ENVIRONMENT
-FROM source_table_001 AS A
+FROM source_table_001_n0 AS A
 group by A.MY_ID,A.MY_ID2,A.ENVIRONMENT,FLOOR(A.MY_DATE to hour);
 
 explain
 select
 SUM(A.DOWN_VOLUME) AS DOWNLOAD_VOLUME_BYTES,
 FLOOR(A.MY_DATE to second),A.MY_ID2,A.ENVIRONMENT
-FROM source_table_001 AS A
+FROM source_table_001_n0 AS A
 group by A.MY_ID,A.MY_ID2,A.ENVIRONMENT,FLOOR(A.MY_DATE to second);
 
-DROP MATERIALIZED VIEW source_table_001_mv;
+DROP MATERIALIZED VIEW source_table_001_mv_n0;

http://git-wip-us.apache.org/repos/asf/hive/blob/38d3b8e1/ql/src/test/queries/clientpositive/materialized_view_rewrite_ssb.q
----------------------------------------------------------------------
diff --git a/ql/src/test/queries/clientpositive/materialized_view_rewrite_ssb.q b/ql/src/test/queries/clientpositive/materialized_view_rewrite_ssb.q
index ca9157e..880f4f5 100644
--- a/ql/src/test/queries/clientpositive/materialized_view_rewrite_ssb.q
+++ b/ql/src/test/queries/clientpositive/materialized_view_rewrite_ssb.q
@@ -7,7 +7,7 @@ set hive.strict.checks.cartesian.product=false;
 set hive.materializedview.rewriting=true;
 set hive.stats.column.autogather=true;
 
-CREATE TABLE `customer_ext`(
+CREATE TABLE `customer_ext_n0`(
   `c_custkey` bigint, 
   `c_name` string, 
   `c_address` string, 
@@ -20,9 +20,9 @@ ROW FORMAT DELIMITED
 FIELDS TERMINATED BY '|'
 STORED AS TEXTFILE;
 
-LOAD DATA LOCAL INPATH '../../data/files/ssb/customer/' into table `customer_ext`;
+LOAD DATA LOCAL INPATH '../../data/files/ssb/customer/' into table `customer_ext_n0`;
 
-CREATE TABLE `customer`(
+CREATE TABLE `customer_n1`(
   `c_custkey` bigint, 
   `c_name` string, 
   `c_address` string, 
@@ -35,10 +35,10 @@ CREATE TABLE `customer`(
 STORED AS ORC
 TBLPROPERTIES ('transactional'='true');
 
-INSERT INTO `customer`
-SELECT * FROM `customer_ext`;
+INSERT INTO `customer_n1`
+SELECT * FROM `customer_ext_n0`;
 
-CREATE TABLE `dates_ext`(
+CREATE TABLE `dates_ext_n0`(
   `d_datekey` bigint, 
   `d_date` string, 
   `d_dayofweek` string, 
@@ -60,9 +60,9 @@ ROW FORMAT DELIMITED
 FIELDS TERMINATED BY '|'
 STORED AS TEXTFILE;
 
-LOAD DATA LOCAL INPATH '../../data/files/ssb/date/' into table `dates_ext`;
+LOAD DATA LOCAL INPATH '../../data/files/ssb/date/' into table `dates_ext_n0`;
 
-CREATE TABLE `dates`(
+CREATE TABLE `dates_n0`(
   `d_datekey` bigint, 
   `d_date` string, 
   `d_dayofweek` string, 
@@ -85,10 +85,10 @@ CREATE TABLE `dates`(
 STORED AS ORC
 TBLPROPERTIES ('transactional'='true');
 
-INSERT INTO `dates`
-SELECT * FROM `dates_ext`;
+INSERT INTO `dates_n0`
+SELECT * FROM `dates_ext_n0`;
 
-CREATE TABLE `ssb_part_ext`(
+CREATE TABLE `ssb_part_ext_n0`(
   `p_partkey` bigint, 
   `p_name` string, 
   `p_mfgr` string, 
@@ -102,9 +102,9 @@ ROW FORMAT DELIMITED
 FIELDS TERMINATED BY '|'
 STORED AS TEXTFILE;
 
-LOAD DATA LOCAL INPATH '../../data/files/ssb/part/' into table `ssb_part_ext`;
+LOAD DATA LOCAL INPATH '../../data/files/ssb/part/' into table `ssb_part_ext_n0`;
 
-CREATE TABLE `ssb_part`(
+CREATE TABLE `ssb_part_n0`(
   `p_partkey` bigint, 
   `p_name` string, 
   `p_mfgr` string, 
@@ -118,10 +118,10 @@ CREATE TABLE `ssb_part`(
 STORED AS ORC
 TBLPROPERTIES ('transactional'='true');
 
-INSERT INTO `ssb_part`
-SELECT * FROM `ssb_part_ext`;
+INSERT INTO `ssb_part_n0`
+SELECT * FROM `ssb_part_ext_n0`;
 
-CREATE TABLE `supplier_ext`(
+CREATE TABLE `supplier_ext_n0`(
   `s_suppkey` bigint, 
   `s_name` string, 
   `s_address` string, 
@@ -133,9 +133,9 @@ ROW FORMAT DELIMITED
 FIELDS TERMINATED BY '|'
 STORED AS TEXTFILE;
 
-LOAD DATA LOCAL INPATH '../../data/files/ssb/supplier/' into table `supplier_ext`;
+LOAD DATA LOCAL INPATH '../../data/files/ssb/supplier/' into table `supplier_ext_n0`;
 
-CREATE TABLE `supplier`(
+CREATE TABLE `supplier_n0`(
   `s_suppkey` bigint, 
   `s_name` string, 
   `s_address` string, 
@@ -147,10 +147,10 @@ CREATE TABLE `supplier`(
 STORED AS ORC
 TBLPROPERTIES ('transactional'='true');
 
-INSERT INTO `supplier`
-SELECT * FROM `supplier_ext`;
+INSERT INTO `supplier_n0`
+SELECT * FROM `supplier_ext_n0`;
 
-CREATE TABLE `lineorder_ext`(
+CREATE TABLE `lineorder_ext_n0`(
   `lo_orderkey` bigint, 
   `lo_linenumber` int, 
   `lo_custkey` bigint not null disable rely,
@@ -172,9 +172,9 @@ ROW FORMAT DELIMITED
 FIELDS TERMINATED BY '|'
 STORED AS TEXTFILE;
 
-LOAD DATA LOCAL INPATH '../../data/files/ssb/lineorder/' into table `lineorder_ext`;
+LOAD DATA LOCAL INPATH '../../data/files/ssb/lineorder/' into table `lineorder_ext_n0`;
 
-CREATE TABLE `lineorder`(
+CREATE TABLE `lineorder_n0`(
   `lo_orderkey` bigint, 
   `lo_linenumber` int, 
   `lo_custkey` bigint not null disable rely,
@@ -193,23 +193,23 @@ CREATE TABLE `lineorder`(
   `lo_commitdate` bigint, 
   `lo_shipmode` string,
   primary key (`lo_orderkey`) disable rely,
-  constraint fk1 foreign key (`lo_custkey`) references `customer`(`c_custkey`) disable rely,
-  constraint fk2 foreign key (`lo_orderdate`) references `dates`(`d_datekey`) disable rely,
-  constraint fk3 foreign key (`lo_partkey`) references `ssb_part`(`p_partkey`) disable rely,
-  constraint fk4 foreign key (`lo_suppkey`) references `supplier`(`s_suppkey`) disable rely)
+  constraint fk1 foreign key (`lo_custkey`) references `customer_n1`(`c_custkey`) disable rely,
+  constraint fk2 foreign key (`lo_orderdate`) references `dates_n0`(`d_datekey`) disable rely,
+  constraint fk3 foreign key (`lo_partkey`) references `ssb_part_n0`(`p_partkey`) disable rely,
+  constraint fk4 foreign key (`lo_suppkey`) references `supplier_n0`(`s_suppkey`) disable rely)
 STORED AS ORC
 TBLPROPERTIES ('transactional'='true');
 
-INSERT INTO `lineorder`
-SELECT * FROM `lineorder_ext`;
+INSERT INTO `lineorder_n0`
+SELECT * FROM `lineorder_ext_n0`;
 
-analyze table customer compute statistics for columns;
-analyze table dates compute statistics for columns;
-analyze table ssb_part compute statistics for columns;
-analyze table supplier compute statistics for columns;
-analyze table lineorder compute statistics for columns;
+analyze table customer_n1 compute statistics for columns;
+analyze table dates_n0 compute statistics for columns;
+analyze table ssb_part_n0 compute statistics for columns;
+analyze table supplier_n0 compute statistics for columns;
+analyze table lineorder_n0 compute statistics for columns;
 
-CREATE MATERIALIZED VIEW `ssb_mv` ENABLE REWRITE
+CREATE MATERIALIZED VIEW `ssb_mv_n0` ENABLE REWRITE
 AS
 SELECT
   c_city,
@@ -231,7 +231,7 @@ SELECT
   lo_extendedprice * lo_discount discounted_price,
   lo_revenue - lo_supplycost net_revenue
 FROM
-  customer, dates, lineorder, ssb_part, supplier
+  customer_n1, dates_n0, lineorder_n0, ssb_part_n0, supplier_n0
 where
   lo_orderdate = d_datekey
   and lo_partkey = p_partkey
@@ -243,7 +243,7 @@ explain
 select 
     sum(lo_extendedprice*lo_discount) as revenue
 from 
-    lineorder, dates
+    lineorder_n0, dates_n0
 where 
     lo_orderdate = d_datekey
     and d_year = 1993
@@ -255,7 +255,7 @@ explain
 select 
     sum(lo_extendedprice*lo_discount) as revenue
 from 
-    lineorder, dates
+    lineorder_n0, dates_n0
 where 
     lo_orderdate = d_datekey
     and d_yearmonthnum = 199401
@@ -267,7 +267,7 @@ explain
 select 
     sum(lo_extendedprice*lo_discount) as revenue
 from 
-    lineorder, dates
+    lineorder_n0, dates_n0
 where 
     lo_orderdate = d_datekey
     and d_weeknuminyear = 6
@@ -280,7 +280,7 @@ explain
 select 
     sum(lo_revenue) as lo_revenue, d_year, p_brand1
 from 
-    lineorder, dates, ssb_part, supplier
+    lineorder_n0, dates_n0, ssb_part_n0, supplier_n0
 where 
     lo_orderdate = d_datekey
     and lo_partkey = p_partkey
@@ -297,7 +297,7 @@ explain
 select 
     sum(lo_revenue) as lo_revenue, d_year, p_brand1
 from 
-    lineorder, dates, ssb_part, supplier
+    lineorder_n0, dates_n0, ssb_part_n0, supplier_n0
 where 
     lo_orderdate = d_datekey
     and lo_partkey = p_partkey
@@ -314,7 +314,7 @@ explain
 select 
     sum(lo_revenue) as lo_revenue, d_year, p_brand1
 from 
-    lineorder, dates, ssb_part, supplier
+    lineorder_n0, dates_n0, ssb_part_n0, supplier_n0
 where 
     lo_orderdate = d_datekey
     and lo_partkey = p_partkey
@@ -332,7 +332,7 @@ select
     c_nation, s_nation, d_year,
     sum(lo_revenue) as lo_revenue
 from 
-    customer, lineorder, supplier, dates
+    customer_n1, lineorder_n0, supplier_n0, dates_n0
 where 
     lo_custkey = c_custkey
     and lo_suppkey = s_suppkey
@@ -350,7 +350,7 @@ explain
 select 
     c_city, s_city, d_year, sum(lo_revenue) as lo_revenue
 from 
-    customer, lineorder, supplier, dates
+    customer_n1, lineorder_n0, supplier_n0, dates_n0
 where 
     lo_custkey = c_custkey
     and lo_suppkey = s_suppkey
@@ -368,7 +368,7 @@ explain
 select 
     c_city, s_city, d_year, sum(lo_revenue) as lo_revenue
 from 
-    customer, lineorder, supplier, dates
+    customer_n1, lineorder_n0, supplier_n0, dates_n0
 where 
     lo_custkey = c_custkey
     and lo_suppkey = s_suppkey
@@ -386,7 +386,7 @@ explain
 select 
     c_city, s_city, d_year, sum(lo_revenue) as lo_revenue
 from 
-    customer, lineorder, supplier, dates
+    customer_n1, lineorder_n0, supplier_n0, dates_n0
 where 
     lo_custkey = c_custkey
     and lo_suppkey = s_suppkey
@@ -405,7 +405,7 @@ select
     d_year, c_nation,
     sum(lo_revenue - lo_supplycost) as profit
 from 
-    dates, customer, supplier, ssb_part, lineorder
+    dates_n0, customer_n1, supplier_n0, ssb_part_n0, lineorder_n0
 where 
     lo_custkey = c_custkey
     and lo_suppkey = s_suppkey
@@ -425,7 +425,7 @@ select
     d_year, s_nation, p_category,
     sum(lo_revenue - lo_supplycost) as profit
 from 
-    dates, customer, supplier, ssb_part, lineorder
+    dates_n0, customer_n1, supplier_n0, ssb_part_n0, lineorder_n0
 where 
     lo_custkey = c_custkey
     and lo_suppkey = s_suppkey
@@ -446,7 +446,7 @@ select
     d_year, s_city, p_brand1,
     sum(lo_revenue - lo_supplycost) as profit
 from 
-    dates, customer, supplier, ssb_part, lineorder
+    dates_n0, customer_n1, supplier_n0, ssb_part_n0, lineorder_n0
 where 
     lo_custkey = c_custkey
     and lo_suppkey = s_suppkey
@@ -461,4 +461,4 @@ group by
 order by 
     d_year, s_city, p_brand1;
 
-DROP MATERIALIZED VIEW `ssb_mv`;
+DROP MATERIALIZED VIEW `ssb_mv_n0`;

http://git-wip-us.apache.org/repos/asf/hive/blob/38d3b8e1/ql/src/test/queries/clientpositive/materialized_view_rewrite_ssb_2.q
----------------------------------------------------------------------
diff --git a/ql/src/test/queries/clientpositive/materialized_view_rewrite_ssb_2.q b/ql/src/test/queries/clientpositive/materialized_view_rewrite_ssb_2.q
index 6752f87..6a92d9a 100644
--- a/ql/src/test/queries/clientpositive/materialized_view_rewrite_ssb_2.q
+++ b/ql/src/test/queries/clientpositive/materialized_view_rewrite_ssb_2.q
@@ -22,7 +22,7 @@ STORED AS TEXTFILE;
 
 LOAD DATA LOCAL INPATH '../../data/files/ssb/customer/' into table `customer_ext`;
 
-CREATE TABLE `customer`(
+CREATE TABLE `customer_n0`(
   `c_custkey` bigint, 
   `c_name` string, 
   `c_address` string, 
@@ -35,7 +35,7 @@ CREATE TABLE `customer`(
 STORED AS ORC
 TBLPROPERTIES ('transactional'='true');
 
-INSERT INTO `customer`
+INSERT INTO `customer_n0`
 SELECT * FROM `customer_ext`;
 
 CREATE TABLE `dates_ext`(
@@ -193,7 +193,7 @@ CREATE TABLE `lineorder`(
   `lo_commitdate` bigint, 
   `lo_shipmode` string,
   primary key (`lo_orderkey`) disable rely,
-  constraint fk1 foreign key (`lo_custkey`) references `customer`(`c_custkey`) disable rely,
+  constraint fk1 foreign key (`lo_custkey`) references `customer_n0`(`c_custkey`) disable rely,
   constraint fk2 foreign key (`lo_orderdate`) references `dates`(`d_datekey`) disable rely,
   constraint fk3 foreign key (`lo_partkey`) references `ssb_part`(`p_partkey`) disable rely,
   constraint fk4 foreign key (`lo_suppkey`) references `supplier`(`s_suppkey`) disable rely)
@@ -203,7 +203,7 @@ TBLPROPERTIES ('transactional'='true');
 INSERT INTO `lineorder`
 SELECT * FROM `lineorder_ext`;
 
-analyze table customer compute statistics for columns;
+analyze table customer_n0 compute statistics for columns;
 analyze table dates compute statistics for columns;
 analyze table ssb_part compute statistics for columns;
 analyze table supplier compute statistics for columns;
@@ -232,7 +232,7 @@ SELECT
   lo_extendedprice * lo_discount discounted_price,
   lo_revenue - lo_supplycost net_revenue
 FROM
-  customer, dates, lineorder, ssb_part, supplier
+  customer_n0, dates, lineorder, ssb_part, supplier
 where
   lo_orderdate = d_datekey
   and lo_partkey = p_partkey
@@ -333,7 +333,7 @@ select
     c_nation, s_nation, d_year,
     sum(lo_revenue) as lo_revenue
 from 
-    customer, lineorder, supplier, dates
+    customer_n0, lineorder, supplier, dates
 where 
     lo_custkey = c_custkey
     and lo_suppkey = s_suppkey
@@ -351,7 +351,7 @@ explain
 select 
     c_city, s_city, d_year, sum(lo_revenue) as lo_revenue
 from 
-    customer, lineorder, supplier, dates
+    customer_n0, lineorder, supplier, dates
 where 
     lo_custkey = c_custkey
     and lo_suppkey = s_suppkey
@@ -369,7 +369,7 @@ explain
 select 
     c_city, s_city, d_year, sum(lo_revenue) as lo_revenue
 from 
-    customer, lineorder, supplier, dates
+    customer_n0, lineorder, supplier, dates
 where 
     lo_custkey = c_custkey
     and lo_suppkey = s_suppkey
@@ -387,7 +387,7 @@ explain
 select 
     c_city, s_city, d_year, sum(lo_revenue) as lo_revenue
 from 
-    customer, lineorder, supplier, dates
+    customer_n0, lineorder, supplier, dates
 where 
     lo_custkey = c_custkey
     and lo_suppkey = s_suppkey
@@ -406,7 +406,7 @@ select
     d_year, c_nation,
     sum(lo_revenue - lo_supplycost) as profit
 from 
-    dates, customer, supplier, ssb_part, lineorder
+    dates, customer_n0, supplier, ssb_part, lineorder
 where 
     lo_custkey = c_custkey
     and lo_suppkey = s_suppkey
@@ -426,7 +426,7 @@ select
     d_year, s_nation, p_category,
     sum(lo_revenue - lo_supplycost) as profit
 from 
-    dates, customer, supplier, ssb_part, lineorder
+    dates, customer_n0, supplier, ssb_part, lineorder
 where 
     lo_custkey = c_custkey
     and lo_suppkey = s_suppkey
@@ -447,7 +447,7 @@ select
     d_year, s_city, p_brand1,
     sum(lo_revenue - lo_supplycost) as profit
 from 
-    dates, customer, supplier, ssb_part, lineorder
+    dates, customer_n0, supplier, ssb_part, lineorder
 where 
     lo_custkey = c_custkey
     and lo_suppkey = s_suppkey

http://git-wip-us.apache.org/repos/asf/hive/blob/38d3b8e1/ql/src/test/queries/clientpositive/merge1.q
----------------------------------------------------------------------
diff --git a/ql/src/test/queries/clientpositive/merge1.q b/ql/src/test/queries/clientpositive/merge1.q
index bd8a857..8c2e6b3 100644
--- a/ql/src/test/queries/clientpositive/merge1.q
+++ b/ql/src/test/queries/clientpositive/merge1.q
@@ -6,30 +6,30 @@ set hive.merge.sparkfiles=true;
 
 -- SORT_QUERY_RESULTS
 
-create table dest1(key int, val int);
+create table dest1_n145(key int, val int);
 
 explain
-insert overwrite table dest1
+insert overwrite table dest1_n145
 select key, count(1) from src group by key;
 
-insert overwrite table dest1
+insert overwrite table dest1_n145
 select key, count(1) from src group by key;
 
-select * from dest1;
+select * from dest1_n145;
 
-drop table dest1;
+drop table dest1_n145;
 
-create table test_src(key string, value string) partitioned by (ds string);
-create table dest1(key string);
+create table test_src_n2(key string, value string) partitioned by (ds string);
+create table dest1_n145(key string);
 
-insert overwrite table test_src partition(ds='101') select * from src; 
-insert overwrite table test_src partition(ds='102') select * from src;
+insert overwrite table test_src_n2 partition(ds='101') select * from src; 
+insert overwrite table test_src_n2 partition(ds='102') select * from src;
 
 explain 
-insert overwrite table dest1 select key from test_src;
-insert overwrite table dest1 select key from test_src;
+insert overwrite table dest1_n145 select key from test_src_n2;
+insert overwrite table dest1_n145 select key from test_src_n2;
 
 set hive.merge.smallfiles.avgsize=16;
 explain
-insert overwrite table dest1 select key from test_src;
-insert overwrite table dest1 select key from test_src;
+insert overwrite table dest1_n145 select key from test_src_n2;
+insert overwrite table dest1_n145 select key from test_src_n2;

http://git-wip-us.apache.org/repos/asf/hive/blob/38d3b8e1/ql/src/test/queries/clientpositive/merge2.q
----------------------------------------------------------------------
diff --git a/ql/src/test/queries/clientpositive/merge2.q b/ql/src/test/queries/clientpositive/merge2.q
index e3ec76a..a95cc88 100644
--- a/ql/src/test/queries/clientpositive/merge2.q
+++ b/ql/src/test/queries/clientpositive/merge2.q
@@ -11,31 +11,31 @@ set mapred.max.split.size=256;
 
 -- SORT_QUERY_RESULTS
 
-create table test1(key int, val int);
+create table test1_n10(key int, val int);
 
 explain
-insert overwrite table test1
+insert overwrite table test1_n10
 select key, count(1) from src group by key;
 
-insert overwrite table test1
+insert overwrite table test1_n10
 select key, count(1) from src group by key;
 
-select * from test1;
+select * from test1_n10;
 
-drop table test1;
+drop table test1_n10;
 
 
-create table test_src(key string, value string) partitioned by (ds string);
-create table test1(key string);
+create table test_src_n0(key string, value string) partitioned by (ds string);
+create table test1_n10(key string);
 
-insert overwrite table test_src partition(ds='101') select * from src; 
-insert overwrite table test_src partition(ds='102') select * from src;
+insert overwrite table test_src_n0 partition(ds='101') select * from src; 
+insert overwrite table test_src_n0 partition(ds='102') select * from src;
 
 explain 
-insert overwrite table test1 select key from test_src;
-insert overwrite table test1 select key from test_src;
+insert overwrite table test1_n10 select key from test_src_n0;
+insert overwrite table test1_n10 select key from test_src_n0;
 
 set hive.merge.smallfiles.avgsize=16;
 explain
-insert overwrite table test1 select key from test_src;
-insert overwrite table test1 select key from test_src;
+insert overwrite table test1_n10 select key from test_src_n0;
+insert overwrite table test1_n10 select key from test_src_n0;

http://git-wip-us.apache.org/repos/asf/hive/blob/38d3b8e1/ql/src/test/queries/clientpositive/merge_dynamic_partition.q
----------------------------------------------------------------------
diff --git a/ql/src/test/queries/clientpositive/merge_dynamic_partition.q b/ql/src/test/queries/clientpositive/merge_dynamic_partition.q
index 26a7931..adcbf97 100644
--- a/ql/src/test/queries/clientpositive/merge_dynamic_partition.q
+++ b/ql/src/test/queries/clientpositive/merge_dynamic_partition.q
@@ -8,14 +8,14 @@ set hive.exec.dynamic.partition.mode=nonstrict;
 
 -- SORT_QUERY_RESULTS
 
-create table srcpart_merge_dp like srcpart;
+create table srcpart_merge_dp_n1 like srcpart;
 
-create table merge_dynamic_part like srcpart;
+create table merge_dynamic_part_n1 like srcpart;
 
-load data local inpath '../../data/files/srcbucket20.txt' INTO TABLE srcpart_merge_dp partition(ds='2008-04-08', hr=11);
-load data local inpath '../../data/files/srcbucket21.txt' INTO TABLE srcpart_merge_dp partition(ds='2008-04-08', hr=11);
-load data local inpath '../../data/files/srcbucket22.txt' INTO TABLE srcpart_merge_dp partition(ds='2008-04-08', hr=11);
-load data local inpath '../../data/files/srcbucket23.txt' INTO TABLE srcpart_merge_dp partition(ds='2008-04-08', hr=11);
+load data local inpath '../../data/files/srcbucket20.txt' INTO TABLE srcpart_merge_dp_n1 partition(ds='2008-04-08', hr=11);
+load data local inpath '../../data/files/srcbucket21.txt' INTO TABLE srcpart_merge_dp_n1 partition(ds='2008-04-08', hr=11);
+load data local inpath '../../data/files/srcbucket22.txt' INTO TABLE srcpart_merge_dp_n1 partition(ds='2008-04-08', hr=11);
+load data local inpath '../../data/files/srcbucket23.txt' INTO TABLE srcpart_merge_dp_n1 partition(ds='2008-04-08', hr=11);
 
 set hive.input.format=org.apache.hadoop.hive.ql.io.BucketizedHiveInputFormat; 
 set hive.merge.mapfiles=false;
@@ -23,11 +23,11 @@ set hive.merge.mapredfiles=false;
 set hive.merge.smallfiles.avgsize=1000000000;
 set hive.optimize.sort.dynamic.partition=false;
 explain
-insert overwrite table merge_dynamic_part partition (ds='2008-04-08', hr) select key, value, hr from srcpart_merge_dp where ds='2008-04-08';
-insert overwrite table merge_dynamic_part partition (ds='2008-04-08', hr) select key, value, hr from srcpart_merge_dp where ds='2008-04-08';
+insert overwrite table merge_dynamic_part_n1 partition (ds='2008-04-08', hr) select key, value, hr from srcpart_merge_dp_n1 where ds='2008-04-08';
+insert overwrite table merge_dynamic_part_n1 partition (ds='2008-04-08', hr) select key, value, hr from srcpart_merge_dp_n1 where ds='2008-04-08';
 
-select * from merge_dynamic_part;
-show table extended like `merge_dynamic_part`;
+select * from merge_dynamic_part_n1;
+show table extended like `merge_dynamic_part_n1`;
 
 
 set hive.input.format=org.apache.hadoop.hive.ql.io.CombineHiveInputFormat;
@@ -35,20 +35,20 @@ set hive.merge.mapfiles=true;
 set hive.merge.mapredfiles=true;
 set hive.merge.smallfiles.avgsize=1000000000;
 explain
-insert overwrite table merge_dynamic_part partition (ds='2008-04-08', hr=11) select key, value from srcpart_merge_dp where ds='2008-04-08';
-insert overwrite table merge_dynamic_part partition (ds='2008-04-08', hr=11) select key, value from srcpart_merge_dp where ds='2008-04-08';
+insert overwrite table merge_dynamic_part_n1 partition (ds='2008-04-08', hr=11) select key, value from srcpart_merge_dp_n1 where ds='2008-04-08';
+insert overwrite table merge_dynamic_part_n1 partition (ds='2008-04-08', hr=11) select key, value from srcpart_merge_dp_n1 where ds='2008-04-08';
 
-select * from merge_dynamic_part;
-show table extended like `merge_dynamic_part`;
+select * from merge_dynamic_part_n1;
+show table extended like `merge_dynamic_part_n1`;
 
 set hive.input.format=org.apache.hadoop.hive.ql.io.CombineHiveInputFormat;
 set hive.merge.mapfiles=true;
 set hive.merge.mapredfiles=true;
 set hive.merge.smallfiles.avgsize=1000000000;
 explain
-insert overwrite table merge_dynamic_part partition (ds, hr) select key, value, ds, hr from srcpart_merge_dp where ds='2008-04-08' and hr=11;
-insert overwrite table merge_dynamic_part partition (ds, hr) select key, value, ds, hr from srcpart_merge_dp where ds='2008-04-08' and hr=11;;
+insert overwrite table merge_dynamic_part_n1 partition (ds, hr) select key, value, ds, hr from srcpart_merge_dp_n1 where ds='2008-04-08' and hr=11;
+insert overwrite table merge_dynamic_part_n1 partition (ds, hr) select key, value, ds, hr from srcpart_merge_dp_n1 where ds='2008-04-08' and hr=11;;
 
-select * from merge_dynamic_part;
-show table extended like `merge_dynamic_part`;
+select * from merge_dynamic_part_n1;
+show table extended like `merge_dynamic_part_n1`;
 

http://git-wip-us.apache.org/repos/asf/hive/blob/38d3b8e1/ql/src/test/queries/clientpositive/merge_dynamic_partition2.q
----------------------------------------------------------------------
diff --git a/ql/src/test/queries/clientpositive/merge_dynamic_partition2.q b/ql/src/test/queries/clientpositive/merge_dynamic_partition2.q
index 6bfa5d9..94c5c97 100644
--- a/ql/src/test/queries/clientpositive/merge_dynamic_partition2.q
+++ b/ql/src/test/queries/clientpositive/merge_dynamic_partition2.q
@@ -5,16 +5,16 @@ set hive.strict.checks.bucketing=false;
 set hive.exec.dynamic.partition=true;
 set hive.exec.dynamic.partition.mode=nonstrict;
 
-create table srcpart_merge_dp like srcpart;
+create table srcpart_merge_dp_n0 like srcpart;
 
-create table merge_dynamic_part like srcpart;
+create table merge_dynamic_part_n0 like srcpart;
 
-load data local inpath '../../data/files/srcbucket20.txt' INTO TABLE srcpart_merge_dp partition(ds='2008-04-08', hr=11);
-load data local inpath '../../data/files/srcbucket21.txt' INTO TABLE srcpart_merge_dp partition(ds='2008-04-08', hr=11);
-load data local inpath '../../data/files/srcbucket22.txt' INTO TABLE srcpart_merge_dp partition(ds='2008-04-08', hr=11);
-load data local inpath '../../data/files/srcbucket23.txt' INTO TABLE srcpart_merge_dp partition(ds='2008-04-08', hr=11);
-load data local inpath '../../data/files/srcbucket0.txt' INTO TABLE srcpart_merge_dp partition(ds='2008-04-08', hr=12);
-load data local inpath '../../data/files/srcbucket1.txt' INTO TABLE srcpart_merge_dp partition(ds='2008-04-08', hr=12);
+load data local inpath '../../data/files/srcbucket20.txt' INTO TABLE srcpart_merge_dp_n0 partition(ds='2008-04-08', hr=11);
+load data local inpath '../../data/files/srcbucket21.txt' INTO TABLE srcpart_merge_dp_n0 partition(ds='2008-04-08', hr=11);
+load data local inpath '../../data/files/srcbucket22.txt' INTO TABLE srcpart_merge_dp_n0 partition(ds='2008-04-08', hr=11);
+load data local inpath '../../data/files/srcbucket23.txt' INTO TABLE srcpart_merge_dp_n0 partition(ds='2008-04-08', hr=11);
+load data local inpath '../../data/files/srcbucket0.txt' INTO TABLE srcpart_merge_dp_n0 partition(ds='2008-04-08', hr=12);
+load data local inpath '../../data/files/srcbucket1.txt' INTO TABLE srcpart_merge_dp_n0 partition(ds='2008-04-08', hr=12);
 
 
 set hive.input.format=org.apache.hadoop.hive.ql.io.HiveInputFormat; 
@@ -25,8 +25,8 @@ set hive.exec.compress.output=false;
 set hive.optimize.sort.dynamic.partition=false;
 
 explain
-insert overwrite table merge_dynamic_part partition (ds='2008-04-08', hr) select key, value, hr from srcpart_merge_dp where ds='2008-04-08';
-insert overwrite table merge_dynamic_part partition (ds='2008-04-08', hr) select key, value, hr from srcpart_merge_dp where ds='2008-04-08';
+insert overwrite table merge_dynamic_part_n0 partition (ds='2008-04-08', hr) select key, value, hr from srcpart_merge_dp_n0 where ds='2008-04-08';
+insert overwrite table merge_dynamic_part_n0 partition (ds='2008-04-08', hr) select key, value, hr from srcpart_merge_dp_n0 where ds='2008-04-08';
 
-show table extended like `merge_dynamic_part`;
+show table extended like `merge_dynamic_part_n0`;
 

http://git-wip-us.apache.org/repos/asf/hive/blob/38d3b8e1/ql/src/test/queries/clientpositive/merge_dynamic_partition3.q
----------------------------------------------------------------------
diff --git a/ql/src/test/queries/clientpositive/merge_dynamic_partition3.q b/ql/src/test/queries/clientpositive/merge_dynamic_partition3.q
index e3070b1..8915efa 100644
--- a/ql/src/test/queries/clientpositive/merge_dynamic_partition3.q
+++ b/ql/src/test/queries/clientpositive/merge_dynamic_partition3.q
@@ -7,26 +7,26 @@ set hive.exec.dynamic.partition.mode=nonstrict;
 
 -- SORT_QUERY_RESULTS
 
-create table srcpart_merge_dp like srcpart;
+create table srcpart_merge_dp_n2 like srcpart;
 
-create table merge_dynamic_part like srcpart;
+create table merge_dynamic_part_n2 like srcpart;
 
-load data local inpath '../../data/files/srcbucket20.txt' INTO TABLE srcpart_merge_dp partition(ds='2008-04-08', hr=11);
-load data local inpath '../../data/files/srcbucket21.txt' INTO TABLE srcpart_merge_dp partition(ds='2008-04-08', hr=11);
-load data local inpath '../../data/files/srcbucket22.txt' INTO TABLE srcpart_merge_dp partition(ds='2008-04-08', hr=11);
-load data local inpath '../../data/files/srcbucket23.txt' INTO TABLE srcpart_merge_dp partition(ds='2008-04-08', hr=11);
+load data local inpath '../../data/files/srcbucket20.txt' INTO TABLE srcpart_merge_dp_n2 partition(ds='2008-04-08', hr=11);
+load data local inpath '../../data/files/srcbucket21.txt' INTO TABLE srcpart_merge_dp_n2 partition(ds='2008-04-08', hr=11);
+load data local inpath '../../data/files/srcbucket22.txt' INTO TABLE srcpart_merge_dp_n2 partition(ds='2008-04-08', hr=11);
+load data local inpath '../../data/files/srcbucket23.txt' INTO TABLE srcpart_merge_dp_n2 partition(ds='2008-04-08', hr=11);
 
-load data local inpath '../../data/files/srcbucket20.txt' INTO TABLE srcpart_merge_dp partition(ds='2008-04-08', hr=12);
-load data local inpath '../../data/files/srcbucket21.txt' INTO TABLE srcpart_merge_dp partition(ds='2008-04-08', hr=12);
-load data local inpath '../../data/files/srcbucket22.txt' INTO TABLE srcpart_merge_dp partition(ds='2008-04-08', hr=12);
-load data local inpath '../../data/files/srcbucket23.txt' INTO TABLE srcpart_merge_dp partition(ds='2008-04-08', hr=12);
+load data local inpath '../../data/files/srcbucket20.txt' INTO TABLE srcpart_merge_dp_n2 partition(ds='2008-04-08', hr=12);
+load data local inpath '../../data/files/srcbucket21.txt' INTO TABLE srcpart_merge_dp_n2 partition(ds='2008-04-08', hr=12);
+load data local inpath '../../data/files/srcbucket22.txt' INTO TABLE srcpart_merge_dp_n2 partition(ds='2008-04-08', hr=12);
+load data local inpath '../../data/files/srcbucket23.txt' INTO TABLE srcpart_merge_dp_n2 partition(ds='2008-04-08', hr=12);
 
-load data local inpath '../../data/files/kv1.txt' INTO TABLE srcpart_merge_dp partition(ds='2008-04-09', hr=11);
-load data local inpath '../../data/files/kv2.txt' INTO TABLE srcpart_merge_dp partition(ds='2008-04-09', hr=11);
-load data local inpath '../../data/files/kv1.txt' INTO TABLE srcpart_merge_dp partition(ds='2008-04-09', hr=12);
-load data local inpath '../../data/files/kv2.txt' INTO TABLE srcpart_merge_dp partition(ds='2008-04-09', hr=12);
+load data local inpath '../../data/files/kv1.txt' INTO TABLE srcpart_merge_dp_n2 partition(ds='2008-04-09', hr=11);
+load data local inpath '../../data/files/kv2.txt' INTO TABLE srcpart_merge_dp_n2 partition(ds='2008-04-09', hr=11);
+load data local inpath '../../data/files/kv1.txt' INTO TABLE srcpart_merge_dp_n2 partition(ds='2008-04-09', hr=12);
+load data local inpath '../../data/files/kv2.txt' INTO TABLE srcpart_merge_dp_n2 partition(ds='2008-04-09', hr=12);
 
-show partitions srcpart_merge_dp;
+show partitions srcpart_merge_dp_n2;
 
 set hive.input.format=org.apache.hadoop.hive.ql.io.HiveInputFormat; 
 set hive.merge.mapfiles=true;
@@ -35,10 +35,10 @@ set hive.merge.smallfiles.avgsize=3000;
 set hive.exec.compress.output=false;
 
 explain
-insert overwrite table merge_dynamic_part partition (ds, hr) select key, value, ds, hr from srcpart_merge_dp where ds>='2008-04-08';
+insert overwrite table merge_dynamic_part_n2 partition (ds, hr) select key, value, ds, hr from srcpart_merge_dp_n2 where ds>='2008-04-08';
 
-insert overwrite table merge_dynamic_part partition (ds, hr) select key, value, ds, hr from srcpart_merge_dp where ds>='2008-04-08';
+insert overwrite table merge_dynamic_part_n2 partition (ds, hr) select key, value, ds, hr from srcpart_merge_dp_n2 where ds>='2008-04-08';
 
-select ds, hr, count(1) from merge_dynamic_part where ds>='2008-04-08' group by ds, hr;
+select ds, hr, count(1) from merge_dynamic_part_n2 where ds>='2008-04-08' group by ds, hr;
 
-show table extended like `merge_dynamic_part`;
+show table extended like `merge_dynamic_part_n2`;

http://git-wip-us.apache.org/repos/asf/hive/blob/38d3b8e1/ql/src/test/queries/clientpositive/merge_dynamic_partition4.q
----------------------------------------------------------------------
diff --git a/ql/src/test/queries/clientpositive/merge_dynamic_partition4.q b/ql/src/test/queries/clientpositive/merge_dynamic_partition4.q
index f94db72..813ad8c 100644
--- a/ql/src/test/queries/clientpositive/merge_dynamic_partition4.q
+++ b/ql/src/test/queries/clientpositive/merge_dynamic_partition4.q
@@ -6,26 +6,26 @@ set hive.mapred.mode=nonstrict;
 -- this test verifies that the block merge task that can follow a query to generate dynamic
 -- partitions does not produce incorrect results by dropping partitions
 
-create table srcpart_merge_dp like srcpart;
+create table srcpart_merge_dp_n4 like srcpart;
 
-create table srcpart_merge_dp_rc like srcpart;
-alter table srcpart_merge_dp_rc set fileformat RCFILE;
+create table srcpart_merge_dp_rc_n1 like srcpart;
+alter table srcpart_merge_dp_rc_n1 set fileformat RCFILE;
 
-create table merge_dynamic_part like srcpart;
-alter table merge_dynamic_part set fileformat RCFILE;
+create table merge_dynamic_part_n3 like srcpart;
+alter table merge_dynamic_part_n3 set fileformat RCFILE;
 
-load data local inpath '../../data/files/srcbucket20.txt' INTO TABLE srcpart_merge_dp partition(ds='2008-04-08', hr=11);
-load data local inpath '../../data/files/srcbucket21.txt' INTO TABLE srcpart_merge_dp partition(ds='2008-04-08', hr=11);
-load data local inpath '../../data/files/srcbucket22.txt' INTO TABLE srcpart_merge_dp partition(ds='2008-04-08', hr=11);
-load data local inpath '../../data/files/srcbucket23.txt' INTO TABLE srcpart_merge_dp partition(ds='2008-04-08', hr=11);
+load data local inpath '../../data/files/srcbucket20.txt' INTO TABLE srcpart_merge_dp_n4 partition(ds='2008-04-08', hr=11);
+load data local inpath '../../data/files/srcbucket21.txt' INTO TABLE srcpart_merge_dp_n4 partition(ds='2008-04-08', hr=11);
+load data local inpath '../../data/files/srcbucket22.txt' INTO TABLE srcpart_merge_dp_n4 partition(ds='2008-04-08', hr=11);
+load data local inpath '../../data/files/srcbucket23.txt' INTO TABLE srcpart_merge_dp_n4 partition(ds='2008-04-08', hr=11);
 
-load data local inpath '../../data/files/srcbucket20.txt' INTO TABLE srcpart_merge_dp partition(ds='2008-04-08', hr=12);
-load data local inpath '../../data/files/srcbucket21.txt' INTO TABLE srcpart_merge_dp partition(ds='2008-04-08', hr=12);
-load data local inpath '../../data/files/srcbucket22.txt' INTO TABLE srcpart_merge_dp partition(ds='2008-04-08', hr=12);
-load data local inpath '../../data/files/srcbucket23.txt' INTO TABLE srcpart_merge_dp partition(ds='2008-04-08', hr=12);
+load data local inpath '../../data/files/srcbucket20.txt' INTO TABLE srcpart_merge_dp_n4 partition(ds='2008-04-08', hr=12);
+load data local inpath '../../data/files/srcbucket21.txt' INTO TABLE srcpart_merge_dp_n4 partition(ds='2008-04-08', hr=12);
+load data local inpath '../../data/files/srcbucket22.txt' INTO TABLE srcpart_merge_dp_n4 partition(ds='2008-04-08', hr=12);
+load data local inpath '../../data/files/srcbucket23.txt' INTO TABLE srcpart_merge_dp_n4 partition(ds='2008-04-08', hr=12);
 
-insert overwrite table srcpart_merge_dp_rc partition (ds = '2008-04-08', hr) 
-select key, value, hr from srcpart_merge_dp where ds = '2008-04-08';
+insert overwrite table srcpart_merge_dp_rc_n1 partition (ds = '2008-04-08', hr) 
+select key, value, hr from srcpart_merge_dp_n4 where ds = '2008-04-08';
 
 set hive.input.format=org.apache.hadoop.hive.ql.io.BucketizedHiveInputFormat;
 set hive.merge.mapfiles=true;
@@ -36,12 +36,12 @@ set hive.exec.dynamic.partition=true;
 set hive.exec.dynamic.partition.mode=nonstrict;
 
 explain
-insert overwrite table merge_dynamic_part partition (ds = '2008-04-08', hr)
-select key, value, if(key % 2 == 0, 'a1', 'b1') as hr from srcpart_merge_dp_rc where ds = '2008-04-08';
+insert overwrite table merge_dynamic_part_n3 partition (ds = '2008-04-08', hr)
+select key, value, if(key % 2 == 0, 'a1', 'b1') as hr from srcpart_merge_dp_rc_n1 where ds = '2008-04-08';
 
-insert overwrite table merge_dynamic_part partition (ds = '2008-04-08', hr)
-select key, value, if(key % 2 == 0, 'a1', 'b1') as hr from srcpart_merge_dp_rc where ds = '2008-04-08';
+insert overwrite table merge_dynamic_part_n3 partition (ds = '2008-04-08', hr)
+select key, value, if(key % 2 == 0, 'a1', 'b1') as hr from srcpart_merge_dp_rc_n1 where ds = '2008-04-08';
 
-show partitions merge_dynamic_part;
+show partitions merge_dynamic_part_n3;
 
-select count(*) from merge_dynamic_part;
+select count(*) from merge_dynamic_part_n3;

http://git-wip-us.apache.org/repos/asf/hive/blob/38d3b8e1/ql/src/test/queries/clientpositive/merge_empty.q
----------------------------------------------------------------------
diff --git a/ql/src/test/queries/clientpositive/merge_empty.q b/ql/src/test/queries/clientpositive/merge_empty.q
index 83c44b5..40e6942 100644
--- a/ql/src/test/queries/clientpositive/merge_empty.q
+++ b/ql/src/test/queries/clientpositive/merge_empty.q
@@ -4,12 +4,12 @@ set hive.merge.sparkfiles=true;
 set hive.auto.convert.join=false;
 set mapreduce.job.reduces=1000;
 
-create table dummy (a string);
-insert overwrite directory '/tmp/test' select src.key from src join dummy on src.key = dummy.a;
+create table dummy_n3 (a string);
+insert overwrite directory '/tmp/test' select src.key from src join dummy_n3 on src.key = dummy_n3.a;
 dfs -ls /tmp/test;
 
 -- verify that this doesn't merge for bucketed tables
-create table foo (a bigint, b string) clustered by (a) into 256 buckets;
-create table bar (a bigint, b string);
-insert overwrite table foo select * from bar;
-dfs -ls ${hiveconf:hive.metastore.warehouse.dir}/foo;
+create table foo_n6 (a bigint, b string) clustered by (a) into 256 buckets;
+create table bar_n1 (a bigint, b string);
+insert overwrite table foo_n6 select * from bar_n1;
+dfs -ls ${hiveconf:hive.metastore.warehouse.dir}/foo_n6;

http://git-wip-us.apache.org/repos/asf/hive/blob/38d3b8e1/ql/src/test/queries/clientpositive/mergejoin.q
----------------------------------------------------------------------
diff --git a/ql/src/test/queries/clientpositive/mergejoin.q b/ql/src/test/queries/clientpositive/mergejoin.q
index 0f37002..8636f13 100644
--- a/ql/src/test/queries/clientpositive/mergejoin.q
+++ b/ql/src/test/queries/clientpositive/mergejoin.q
@@ -25,136 +25,136 @@ select * from src a join src1 b on a.key = b.key;
 select * from src a join src1 b on a.key = b.key;
 
 
-CREATE TABLE srcbucket_mapjoin(key int, value string) partitioned by (ds string) CLUSTERED BY (key) INTO 2 BUCKETS STORED AS TEXTFILE;
-CREATE TABLE tab_part (key int, value string) PARTITIONED BY(ds STRING) CLUSTERED BY (key) SORTED BY (key) INTO 4 BUCKETS STORED AS ORCFILE;
-CREATE TABLE srcbucket_mapjoin_part (key int, value string) partitioned by (ds string) CLUSTERED BY (key) INTO 4 BUCKETS STORED AS TEXTFILE;
+CREATE TABLE srcbucket_mapjoin_n16(key int, value string) partitioned by (ds string) CLUSTERED BY (key) INTO 2 BUCKETS STORED AS TEXTFILE;
+CREATE TABLE tab_part_n10 (key int, value string) PARTITIONED BY(ds STRING) CLUSTERED BY (key) SORTED BY (key) INTO 4 BUCKETS STORED AS ORCFILE;
+CREATE TABLE srcbucket_mapjoin_part_n17 (key int, value string) partitioned by (ds string) CLUSTERED BY (key) INTO 4 BUCKETS STORED AS TEXTFILE;
 
-load data local inpath '../../data/files/bmj/000000_0' INTO TABLE srcbucket_mapjoin partition(ds='2008-04-08');
-load data local inpath '../../data/files/bmj1/000001_0' INTO TABLE srcbucket_mapjoin partition(ds='2008-04-08');
+load data local inpath '../../data/files/bmj/000000_0' INTO TABLE srcbucket_mapjoin_n16 partition(ds='2008-04-08');
+load data local inpath '../../data/files/bmj1/000001_0' INTO TABLE srcbucket_mapjoin_n16 partition(ds='2008-04-08');
 
-load data local inpath '../../data/files/bmj/000000_0' INTO TABLE srcbucket_mapjoin_part partition(ds='2008-04-08');
-load data local inpath '../../data/files/bmj/000001_0' INTO TABLE srcbucket_mapjoin_part partition(ds='2008-04-08');
-load data local inpath '../../data/files/bmj/000002_0' INTO TABLE srcbucket_mapjoin_part partition(ds='2008-04-08');
-load data local inpath '../../data/files/bmj/000003_0' INTO TABLE srcbucket_mapjoin_part partition(ds='2008-04-08');
+load data local inpath '../../data/files/bmj/000000_0' INTO TABLE srcbucket_mapjoin_part_n17 partition(ds='2008-04-08');
+load data local inpath '../../data/files/bmj/000001_0' INTO TABLE srcbucket_mapjoin_part_n17 partition(ds='2008-04-08');
+load data local inpath '../../data/files/bmj/000002_0' INTO TABLE srcbucket_mapjoin_part_n17 partition(ds='2008-04-08');
+load data local inpath '../../data/files/bmj/000003_0' INTO TABLE srcbucket_mapjoin_part_n17 partition(ds='2008-04-08');
 
 
 
 set hive.optimize.bucketingsorting=false;
-insert overwrite table tab_part partition (ds='2008-04-08')
-select key,value from srcbucket_mapjoin_part;
+insert overwrite table tab_part_n10 partition (ds='2008-04-08')
+select key,value from srcbucket_mapjoin_part_n17;
 
-CREATE TABLE tab(key int, value string) PARTITIONED BY(ds STRING) CLUSTERED BY (key) SORTED BY (key) INTO 2 BUCKETS STORED AS ORCFILE;
-insert overwrite table tab partition (ds='2008-04-08')
-select key,value from srcbucket_mapjoin;
+CREATE TABLE tab_n9(key int, value string) PARTITIONED BY(ds STRING) CLUSTERED BY (key) SORTED BY (key) INTO 2 BUCKETS STORED AS ORCFILE;
+insert overwrite table tab_n9 partition (ds='2008-04-08')
+select key,value from srcbucket_mapjoin_n16;
 
 explain vectorization detail
 select count(*)
-from tab a join tab_part b on a.key = b.key;
+from tab_n9 a join tab_part_n10 b on a.key = b.key;
 
-select * from tab a join tab_part b on a.key = b.key;
+select * from tab_n9 a join tab_part_n10 b on a.key = b.key;
 
 set hive.join.emit.interval=2;
 
-select * from tab a join tab_part b on a.key = b.key;
+select * from tab_n9 a join tab_part_n10 b on a.key = b.key;
 
 explain vectorization detail
 select count(*)
-from tab a left outer join tab_part b on a.key = b.key;
+from tab_n9 a left outer join tab_part_n10 b on a.key = b.key;
 
 select count(*)
-from tab a left outer join tab_part b on a.key = b.key;
+from tab_n9 a left outer join tab_part_n10 b on a.key = b.key;
 
 explain vectorization detail
 select count (*)
-from tab a right outer join tab_part b on a.key = b.key;
+from tab_n9 a right outer join tab_part_n10 b on a.key = b.key;
 
 select count (*)
-from tab a right outer join tab_part b on a.key = b.key;
+from tab_n9 a right outer join tab_part_n10 b on a.key = b.key;
 
 explain vectorization detail
 select count(*)
-from tab a full outer join tab_part b on a.key = b.key;
+from tab_n9 a full outer join tab_part_n10 b on a.key = b.key;
 
 select count(*)
-from tab a full outer join tab_part b on a.key = b.key;
+from tab_n9 a full outer join tab_part_n10 b on a.key = b.key;
 
 explain vectorization detail
-select count(*) from tab a join tab_part b on a.key = b.key join src1 c on a.value = c.value;
-select count(*) from tab a join tab_part b on a.key = b.key join src1 c on a.value = c.value;
+select count(*) from tab_n9 a join tab_part_n10 b on a.key = b.key join src1 c on a.value = c.value;
+select count(*) from tab_n9 a join tab_part_n10 b on a.key = b.key join src1 c on a.value = c.value;
 
 explain vectorization detail
-select count(*) from tab a join tab_part b on a.value = b.value;
-select count(*) from tab a join tab_part b on a.value = b.value;
+select count(*) from tab_n9 a join tab_part_n10 b on a.value = b.value;
+select count(*) from tab_n9 a join tab_part_n10 b on a.value = b.value;
 
 explain vectorization detail
-select count(*) from (select s1.key as key, s1.value as value from tab s1 join tab s3 on s1.key=s3.key
+select count(*) from (select s1.key as key, s1.value as value from tab_n9 s1 join tab_n9 s3 on s1.key=s3.key
 UNION  ALL
-select s2.key as key, s2.value as value from tab s2
-) a join tab_part b on (a.key = b.key);
+select s2.key as key, s2.value as value from tab_n9 s2
+) a join tab_part_n10 b on (a.key = b.key);
 
 explain vectorization detail
-select count(*) from tab a join tab_part b on a.value = b.value;
-select count(*) from tab a join tab_part b on a.value = b.value;
+select count(*) from tab_n9 a join tab_part_n10 b on a.value = b.value;
+select count(*) from tab_n9 a join tab_part_n10 b on a.value = b.value;
 
 explain vectorization detail
-select count(*) from tab a join tab_part b on a.key = b.key join src1 c on a.value = c.value;
-select count(*) from tab a join tab_part b on a.key = b.key join src1 c on a.value = c.value;
+select count(*) from tab_n9 a join tab_part_n10 b on a.key = b.key join src1 c on a.value = c.value;
+select count(*) from tab_n9 a join tab_part_n10 b on a.key = b.key join src1 c on a.value = c.value;
 
 explain vectorization detail
-select count(*) from (select s1.key as key, s1.value as value from tab s1 join tab s3 on s1.key=s3.key
+select count(*) from (select s1.key as key, s1.value as value from tab_n9 s1 join tab_n9 s3 on s1.key=s3.key
 UNION  ALL
-select s2.key as key, s2.value as value from tab s2
-) a join tab_part b on (a.key = b.key);
+select s2.key as key, s2.value as value from tab_n9 s2
+) a join tab_part_n10 b on (a.key = b.key);
 
 explain  vectorization detail
 select count(*) from
 (select rt1.id from
-(select t1.key as id, t1.value as od from tab t1 order by id, od) rt1) vt1
+(select t1.key as id, t1.value as od from tab_n9 t1 order by id, od) rt1) vt1
 join
 (select rt2.id from
-(select t2.key as id, t2.value as od from tab_part t2 order by id, od) rt2) vt2
+(select t2.key as id, t2.value as od from tab_part_n10 t2 order by id, od) rt2) vt2
 where vt1.id=vt2.id;
 
 select count(*) from
 (select rt1.id from
-(select t1.key as id, t1.value as od from tab t1 order by id, od) rt1) vt1
+(select t1.key as id, t1.value as od from tab_n9 t1 order by id, od) rt1) vt1
 join
 (select rt2.id from
-(select t2.key as id, t2.value as od from tab_part t2 order by id, od) rt2) vt2
+(select t2.key as id, t2.value as od from tab_part_n10 t2 order by id, od) rt2) vt2
 where vt1.id=vt2.id;
 
 set mapred.reduce.tasks=3;
-select * from (select * from tab where tab.key = 0)a full outer join (select * from tab_part where tab_part.key = 98)b on a.key = b.key;
-select * from (select * from tab where tab.key = 0)a right outer join (select * from tab_part where tab_part.key = 98)b on a.key = b.key;
+select * from (select * from tab_n9 where tab_n9.key = 0)a full outer join (select * from tab_part_n10 where tab_part_n10.key = 98)b on a.key = b.key;
+select * from (select * from tab_n9 where tab_n9.key = 0)a right outer join (select * from tab_part_n10 where tab_part_n10.key = 98)b on a.key = b.key;
 
 select * from
-(select * from tab where tab.key = 0)a
+(select * from tab_n9 where tab_n9.key = 0)a
 full outer join
-(select * from tab_part where tab_part.key = 98)b join tab_part c on a.key = b.key and b.key = c.key;
+(select * from tab_part_n10 where tab_part_n10.key = 98)b join tab_part_n10 c on a.key = b.key and b.key = c.key;
 
 select * from
-(select * from tab where tab.key = 0)a
+(select * from tab_n9 where tab_n9.key = 0)a
 full outer join
-(select * from tab_part where tab_part.key = 98)b on a.key = b.key join tab_part c on b.key = c.key;
+(select * from tab_part_n10 where tab_part_n10.key = 98)b on a.key = b.key join tab_part_n10 c on b.key = c.key;
 
 select * from
-(select * from tab where tab.key = 0)a
+(select * from tab_n9 where tab_n9.key = 0)a
 join
-(select * from tab_part where tab_part.key = 98)b full outer join tab_part c on a.key = b.key and b.key = c.key;
+(select * from tab_part_n10 where tab_part_n10.key = 98)b full outer join tab_part_n10 c on a.key = b.key and b.key = c.key;
 
 select * from
-(select * from tab where tab.key = 0)a
+(select * from tab_n9 where tab_n9.key = 0)a
 join
-(select * from tab_part where tab_part.key = 98)b on a.key = b.key full outer join tab_part c on b.key = c.key;
+(select * from tab_part_n10 where tab_part_n10.key = 98)b on a.key = b.key full outer join tab_part_n10 c on b.key = c.key;
 
 set hive.cbo.enable = false;
 
 select * from
-(select * from tab where tab.key = 0)a
+(select * from tab_n9 where tab_n9.key = 0)a
 full outer join
-(select * from tab_part where tab_part.key = 98)b join tab_part c on a.key = b.key and b.key = c.key;
+(select * from tab_part_n10 where tab_part_n10.key = 98)b join tab_part_n10 c on a.key = b.key and b.key = c.key;
 
 select * from
-(select * from tab where tab.key = 0)a
+(select * from tab_n9 where tab_n9.key = 0)a
 join
-(select * from tab_part where tab_part.key = 98)b full outer join tab_part c on a.key = b.key and b.key = c.key;
+(select * from tab_part_n10 where tab_part_n10.key = 98)b full outer join tab_part_n10 c on a.key = b.key and b.key = c.key;

http://git-wip-us.apache.org/repos/asf/hive/blob/38d3b8e1/ql/src/test/queries/clientpositive/mergejoins.q
----------------------------------------------------------------------
diff --git a/ql/src/test/queries/clientpositive/mergejoins.q b/ql/src/test/queries/clientpositive/mergejoins.q
index 2b1ecba..fb5c9ac 100644
--- a/ql/src/test/queries/clientpositive/mergejoins.q
+++ b/ql/src/test/queries/clientpositive/mergejoins.q
@@ -1,12 +1,12 @@
 --! qt:dataset:src
 set hive.mapred.mode=nonstrict;
-create table a (val1 int, val2 int);
-create table b (val1 int, val2 int);
-create table c (val1 int, val2 int);
-create table d (val1 int, val2 int);
-create table e (val1 int, val2 int);
+create table a_n0 (val1 int, val2 int);
+create table b_n0 (val1 int, val2 int);
+create table c_n0 (val1 int, val2 int);
+create table d_n0 (val1 int, val2 int);
+create table e_n0 (val1 int, val2 int);
 
-explain select * from a join b on a.val1=b.val1 join c on a.val1=c.val1 join d on a.val1=d.val1 join e on a.val2=e.val2;
+explain select * from a_n0 join b_n0 on a_n0.val1=b_n0.val1 join c_n0 on a_n0.val1=c_n0.val1 join d_n0 on a_n0.val1=d_n0.val1 join e_n0 on a_n0.val2=e_n0.val2;
 
 --HIVE-3070 filter on outer join condition removed while merging join tree
-explain select * from src a join src b on a.key=b.key left outer join src c on b.key=c.key and b.key<10;
+explain select * from src a_n0 join src b_n0 on a_n0.key=b_n0.key left outer join src c_n0 on b_n0.key=c_n0.key and b_n0.key<10;

http://git-wip-us.apache.org/repos/asf/hive/blob/38d3b8e1/ql/src/test/queries/clientpositive/mergejoins_mixed.q
----------------------------------------------------------------------
diff --git a/ql/src/test/queries/clientpositive/mergejoins_mixed.q b/ql/src/test/queries/clientpositive/mergejoins_mixed.q
index 51f04cd..f2fbfa9 100644
--- a/ql/src/test/queries/clientpositive/mergejoins_mixed.q
+++ b/ql/src/test/queries/clientpositive/mergejoins_mixed.q
@@ -1,44 +1,44 @@
 set hive.mapred.mode=nonstrict;
 -- HIVE-3464
 
-create table a (key string, value string);
+create table a_n5 (key string, value string);
 
--- (a-b-c-d)
+-- (a_n5-b-c-d)
 explain
-select * from a join a b on (a.key=b.key) left outer join a c on (b.key=c.key) left outer join a d on (a.key=d.key);
+select * from a_n5 join a_n5 b on (a_n5.key=b.key) left outer join a_n5 c on (b.key=c.key) left outer join a_n5 d on (a_n5.key=d.key);
 
 explain
-select * from a join a b on (a.key=b.key) left outer join a c on (b.key=c.key) right outer join a d on (a.key=d.key);
+select * from a_n5 join a_n5 b on (a_n5.key=b.key) left outer join a_n5 c on (b.key=c.key) right outer join a_n5 d on (a_n5.key=d.key);
 
 explain
-select * from a join a b on (a.key=b.key) right outer join a c on (b.key=c.key) left outer join a d on (a.key=d.key);
+select * from a_n5 join a_n5 b on (a_n5.key=b.key) right outer join a_n5 c on (b.key=c.key) left outer join a_n5 d on (a_n5.key=d.key);
 
 explain
-select * from a join a b on (a.key=b.key) right outer join a c on (b.key=c.key) right outer join a d on (a.key=d.key);
+select * from a_n5 join a_n5 b on (a_n5.key=b.key) right outer join a_n5 c on (b.key=c.key) right outer join a_n5 d on (a_n5.key=d.key);
 
--- ((a-b-d)-c) (reordered)
+-- ((a_n5-b-d)-c) (reordered)
 explain
-select * from a join a b on (a.key=b.key) left outer join a c on (b.value=c.key) left outer join a d on (a.key=d.key);
+select * from a_n5 join a_n5 b on (a_n5.key=b.key) left outer join a_n5 c on (b.value=c.key) left outer join a_n5 d on (a_n5.key=d.key);
 
 explain
-select * from a join a b on (a.key=b.key) right outer join a c on (b.value=c.key) right outer join a d on (a.key=d.key);
+select * from a_n5 join a_n5 b on (a_n5.key=b.key) right outer join a_n5 c on (b.value=c.key) right outer join a_n5 d on (a_n5.key=d.key);
 
 explain
-select * from a join a b on (a.key=b.key) full outer join a c on (b.value=c.key) full outer join a d on (a.key=d.key);
+select * from a_n5 join a_n5 b on (a_n5.key=b.key) full outer join a_n5 c on (b.value=c.key) full outer join a_n5 d on (a_n5.key=d.key);
 
--- (((a-b)-c)-d)
+-- (((a_n5-b)-c)-d)
 explain
-select * from a join a b on (a.key=b.key) left outer join a c on (b.value=c.key) right outer join a d on (a.key=d.key);
+select * from a_n5 join a_n5 b on (a_n5.key=b.key) left outer join a_n5 c on (b.value=c.key) right outer join a_n5 d on (a_n5.key=d.key);
 
 explain
-select * from a join a b on (a.key=b.key) left outer join a c on (b.value=c.key) full outer join a d on (a.key=d.key);
+select * from a_n5 join a_n5 b on (a_n5.key=b.key) left outer join a_n5 c on (b.value=c.key) full outer join a_n5 d on (a_n5.key=d.key);
 
 explain
-select * from a join a b on (a.key=b.key) right outer join a c on (b.value=c.key) left outer join a d on (a.key=d.key);
+select * from a_n5 join a_n5 b on (a_n5.key=b.key) right outer join a_n5 c on (b.value=c.key) left outer join a_n5 d on (a_n5.key=d.key);
 
 explain
-select * from a join a b on (a.key=b.key) right outer join a c on (b.value=c.key) full outer join a d on (a.key=d.key);
+select * from a_n5 join a_n5 b on (a_n5.key=b.key) right outer join a_n5 c on (b.value=c.key) full outer join a_n5 d on (a_n5.key=d.key);
 
--- ((a-b)-c-d)
+-- ((a_n5-b)-c-d)
 explain
-select * from a join a b on (a.key=b.key) left outer join a c on (b.value=c.key) left outer join a d on (c.key=d.key);
+select * from a_n5 join a_n5 b on (a_n5.key=b.key) left outer join a_n5 c on (b.value=c.key) left outer join a_n5 d on (c.key=d.key);

http://git-wip-us.apache.org/repos/asf/hive/blob/38d3b8e1/ql/src/test/queries/clientpositive/metadata_only_queries.q
----------------------------------------------------------------------
diff --git a/ql/src/test/queries/clientpositive/metadata_only_queries.q b/ql/src/test/queries/clientpositive/metadata_only_queries.q
index bcf320b..cdbb76e 100644
--- a/ql/src/test/queries/clientpositive/metadata_only_queries.q
+++ b/ql/src/test/queries/clientpositive/metadata_only_queries.q
@@ -3,7 +3,7 @@ set hive.mapred.mode=nonstrict;
 set hive.explain.user=false;
 set hive.compute.query.using.stats=true;
 set hive.stats.autogather=true;
-create table over10k(
+create table over10k_n12(
            t tinyint,
            si smallint,
            i int,
@@ -18,7 +18,7 @@ create table over10k(
        row format delimited
        fields terminated by '|';
 
-load data local inpath '../../data/files/over10k' into table over10k;
+load data local inpath '../../data/files/over10k' into table over10k_n12;
 
 create table stats_tbl(
            t tinyint,
@@ -47,11 +47,11 @@ create table stats_tbl_part(
            bin binary) partitioned by (dt string);
 
 
-insert overwrite table stats_tbl select * from over10k;
+insert overwrite table stats_tbl select * from over10k_n12;
 
-insert into table stats_tbl_part partition (dt='2010') select * from over10k where t>0 and t<30;
-insert into table stats_tbl_part partition (dt='2011') select * from over10k where t>30 and t<60;
-insert into table stats_tbl_part partition (dt='2012') select * from over10k where t>60;
+insert into table stats_tbl_part partition (dt='2010') select * from over10k_n12 where t>0 and t<30;
+insert into table stats_tbl_part partition (dt='2011') select * from over10k_n12 where t>30 and t<60;
+insert into table stats_tbl_part partition (dt='2012') select * from over10k_n12 where t>60;
 
 explain 
 select count(*), sum(1), sum(0.2), count(1), count(s), count(bo), count(bin), count(si), max(i), min(b) from stats_tbl;