fix mysqltest
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@ -6479,11 +6479,11 @@ Query Plan
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|0 |PX COORDINATOR | |2 |13 |
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|1 | EXCHANGE OUT DISTR |:EX10001|2 |12 |
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|2 | HASH UNION DISTINCT | |2 |12 |
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|3 | PX PARTITION ITERATOR | |1 |9 |
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|4 | TABLE SCAN |t2 |1 |9 |
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|5 | EXCHANGE IN DISTR | |1 |3 |
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|6 | EXCHANGE OUT DISTR (PKEY)|:EX10000|1 |3 |
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|7 | TABLE SCAN |t1 |1 |2 |
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|3 | EXCHANGE IN DISTR | |1 |3 |
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|4 | EXCHANGE OUT DISTR (PKEY)|:EX10000|1 |3 |
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|5 | TABLE SCAN |t1 |1 |2 |
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|6 | PX PARTITION ITERATOR | |1 |9 |
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|7 | TABLE SCAN |t2 |1 |9 |
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=================================================================
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Outputs & filters:
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-------------------------------------
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@ -6491,19 +6491,19 @@ Outputs & filters:
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1 - output([INTERNAL_FUNCTION(UNION([1]))]), filter(nil), rowset=256
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dop=1
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2 - output([UNION([1])]), filter(nil), rowset=256
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3 - output([t2.a]), filter(nil), rowset=256
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affinitize, force partition granule
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4 - output([t2.a]), filter(nil), rowset=256
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access([t2.a]), partitions(p[0-4])
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is_index_back=false, is_global_index=false,
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range_key([t2.__pk_increment]), range(MIN ; MAX)always true
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5 - output([t1.a]), filter(nil), rowset=256
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6 - output([t1.a]), filter(nil), rowset=256
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3 - output([t1.a]), filter(nil), rowset=256
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4 - output([t1.a]), filter(nil), rowset=256
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(#keys=1, [t1.a]), is_single, dop=1
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7 - output([t1.a]), filter([t1.a = 1]), rowset=256
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5 - output([t1.a]), filter([t1.a = 1]), rowset=256
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access([t1.a]), partitions(p1)
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is_index_back=false, is_global_index=false, filter_before_indexback[false],
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range_key([t1.__pk_increment]), range(MIN ; MAX)always true
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6 - output([t2.a]), filter(nil), rowset=256
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affinitize, force partition granule
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7 - output([t2.a]), filter(nil), rowset=256
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access([t2.a]), partitions(p[0-4])
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is_index_back=false, is_global_index=false,
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range_key([t2.__pk_increment]), range(MIN ; MAX)always true
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explain select a from t1 union distinct select a from t2 where a = 1;
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Query Plan
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=================================================================
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