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Posted to derby-commits@db.apache.org by rh...@apache.org on 2006/08/25 22:02:11 UTC
svn commit: r436921 [3/5] - in /db/derby/code/branches/10.2: ./
java/engine/org/apache/derby/iapi/sql/depend/
java/engine/org/apache/derby/iapi/sql/dictionary/
java/engine/org/apache/derby/iapi/sql/execute/
java/engine/org/apache/derby/impl/sql/catalog...
Modified: db/derby/code/branches/10.2/java/testing/org/apache/derbyTesting/functionTests/master/predicatePushdown.out
URL: http://svn.apache.org/viewvc/db/derby/code/branches/10.2/java/testing/org/apache/derbyTesting/functionTests/master/predicatePushdown.out?rev=436921&r1=436920&r2=436921&view=diff
==============================================================================
--- db/derby/code/branches/10.2/java/testing/org/apache/derbyTesting/functionTests/master/predicatePushdown.out (original)
+++ db/derby/code/branches/10.2/java/testing/org/apache/derbyTesting/functionTests/master/predicatePushdown.out Fri Aug 25 13:02:02 2006
@@ -1321,6 +1321,11 @@
select distinct xx1.c1, xx1.c2, 'bokibob' bb, xx1.c from
(select c1, c, c2, c3 from tc) xx1;
0 rows inserted/updated/deleted
+ij> create view vz3 (z1, z2, z3, z4) as
+ select distinct xx1.c1, xx1.c2, 'bokibob' bb, xx1.c from
+ (select c1, c, c2, 28 from tc) xx1
+ union select 'i','j','j',i from t2;
+0 rows inserted/updated/deleted
ij> -- Both sides of predicate reference aggregates.
select x1.c1 from
(select count(*) from t1 union select count(*) from t2) x1 (c1),
@@ -1486,6 +1491,21 @@
4
2
4
+ij> -- Same as above but with an expression ("i+1") instead of
+-- a numeric literal.
+select x1.z4, x2.c2 from
+ (select z1, z4, z3 from vz
+ union select '1', i+1, '3' from t1
+ ) x1 (z1, z4, z3),
+ (select distinct j from t2 union select j from t1) x2 (c2)
+where x1.z4 = x2.c2;
+Z4 |C2
+-----------------------
+2 |2
+4 |4
+6 |6
+2 |2
+4 |4
ij> -- Same as previous query but with a different nested
-- view (vz2) that is missing the nested union found
-- in vz.
@@ -1498,11 +1518,195 @@
Z4
-----------
4
+ij> -- Queries with Select->Union->Select chains having differently-
+-- ordered result column lists with some non-column reference
+-- expressions. In all of these queries we specify LEFT join
+-- and force NESTEDLOOP in order to coerce the optimizer to
+-- push predicates to a specific subquery. We do this to
+-- ensure that we test predicate pushdown during compilation
+-- AND during execution. It's the execution-time testing
+-- that is particular important for verifying DERBY-1633
+-- functionality.
+-- Push predicate to union whose left child has a Select
+-- within a Select, both of which have the same result column
+-- ordering.
+select x1.z4, x2.c2 from
+ (select z1, z4, z3 from vz
+ union select '1', i+1, '3' from t1
+ ) x1 (z1, z4, z3)
+ left join
+ (select distinct i,j from (select distinct i,j from t2) x3
+ union select i, j from t1
+ ) x2 (c1, c2) --DERBY-PROPERTIES joinStrategy=NESTEDLOOP
+on x1.z4 = x2.c2;
+Z4 |C2
+-----------------------
+2 |2
+3 |NULL
+4 |4
+5 |NULL
+6 |6
+1 |NULL
+2 |2
+3 |NULL
+4 |4
+5 |NULL
+ij> -- Push predicate to union whose left child has a Select
+-- within a Select, where the result column lists for the
+-- two Selects are different ("i,j" vs "j,i").
+select x1.z4, x2.c2 from
+ (select z1, z4, z3 from vz
+ union select '1', i+1, '3' from t1
+ ) x1 (z1, z4, z3)
+ left join
+ (select distinct i,j from (select distinct j,i from t2) x3
+ union select i, j from t1
+ ) x2 (c1, c2) --DERBY-PROPERTIES joinStrategy=NESTEDLOOP
+on x1.z4 = x2.c2;
+Z4 |C2
+-----------------------
+2 |2
+3 |NULL
+4 |4
+5 |NULL
+6 |6
+1 |NULL
+2 |2
+3 |NULL
+4 |4
+5 |NULL
+ij> -- Push predicate to union whose left child is itself a
+-- nested subquery (through use of the view "vz") and
+-- whose right child has an expression in its result
+-- column list.
+select x1.z4, x2.c2 from
+ (select distinct i,j from (select distinct j,i from t2) x3
+ union select i, j from t1) x2 (c1, c2)
+ left join
+ (select z1, z4, z3 from vz
+ union select '1', i+1, '3' from t1
+ ) x1 (z1, z4, z3) --DERBY-PROPERTIES joinStrategy=NESTEDLOOP
+on x1.z4 = x2.c2;
+Z4 |C2
+-----------------------
+2 |2
+2 |2
+NULL |-4
+4 |4
+4 |4
+6 |6
+NULL |-8
+NULL |8
+NULL |10
+ij> -- Same as previous but with a different expression.
+select x1.z4, x2.c2 from
+ (select distinct i,j from (select distinct j,i from t2) x3
+ union select i, j from t1) x2 (c1, c2)
+ left join
+ (select z1, z4, z3 from vz
+ union select '1', sin(i), '3' from t1
+ ) x1 (z1, z4, z3) --DERBY-PROPERTIES joinStrategy=NESTEDLOOP
+on x1.z4 = x2.c2;
+Z4 |C2
+----------------------------------
+2.0 |2
+NULL |-4
+4.0 |4
+NULL |6
+NULL |-8
+NULL |8
+NULL |10
+ij> -- Same as previous but expression replaced with a regular
+-- column reference.
+select x1.z4, x2.c2 from
+ (select distinct i,j from (select distinct j,i from t2) x3
+ union select i, j from t1) x2 (c1, c2)
+ left join
+ (select z1, z4, z3 from vz
+ union select '1', i, '3' from t1
+ ) x1 (z1, z4, z3) --DERBY-PROPERTIES joinStrategy=NESTEDLOOP
+on x1.z4 = x2.c2;
+Z4 |C2
+-----------------------
+2 |2
+2 |2
+NULL |-4
+4 |4
+4 |4
+NULL |6
+NULL |-8
+NULL |8
+NULL |10
+ij> -- Same as previous but with a different expression and
+-- a different subquery (this time using view "vz3").
+select x1.z4, x2.c2 from
+ (select distinct i,j from (select distinct j,i from t2) x3
+ union select i, j from t1) x2 (c1, c2)
+ left join
+ (select z1, z4, z3 from vz3
+ union select '1', sin(i), '3' from t1
+ ) x1 (z1, z4, z3) --DERBY-PROPERTIES joinStrategy=NESTEDLOOP
+on x1.z4 = x2.c2;
+Z4 |C2
+----------------------------------
+2.0 |2
+NULL |-4
+4.0 |4
+NULL |6
+NULL |-8
+NULL |8
+NULL |10
+ij> -- Push predicate to chain of unions whose left-most child
+-- is itself a nested subquery (through use of the view "vz")
+-- and in which the other unions have expressions in their
+-- result column lists.
+select x1.z4, x2.c2 from
+ (select distinct i,j from (select distinct j,i from t2) x3
+ union select i, j from t1) x2 (c1, c2)
+ left join
+ (select z1, z4, z3 from vz
+ union select '1', sin(i), '3' from t1
+ union select '1', 14, '3' from t1
+ ) x1 (z1, z4, z3) --DERBY-PROPERTIES joinStrategy=NESTEDLOOP
+on x1.z4 = x2.c2;
+Z4 |C2
+----------------------------------
+2.0 |2
+NULL |-4
+4.0 |4
+NULL |6
+NULL |-8
+NULL |8
+NULL |10
+ij> -- Push predicate to chain of unions whose right-most child
+-- is itself a nested subquery (through use of the view "vz")
+-- and in which the other unions have expressions in their
+-- result column lists.
+select x1.z4, x2.c2 from
+ (select distinct i,j from (select distinct j,i from t2) x3
+ union select i, j from t1) x2 (c1, c2)
+ left join
+ (select '1', sin(i), '3' from t1
+ union select '1', 14, '3' from t1
+ union select z1, z4, z3 from vz
+ ) x1 (z1, z4, z3) --DERBY-PROPERTIES joinStrategy=NESTEDLOOP
+on x1.z4 = x2.c2;
+Z4 |C2
+----------------------------------
+2.0 |2
+NULL |-4
+4.0 |4
+NULL |6
+NULL |-8
+NULL |8
+NULL |10
ij> -- Cleanup from this set of tests.
drop view vz;
0 rows inserted/updated/deleted
ij> drop view vz2;
0 rows inserted/updated/deleted
+ij> drop view vz3;
+0 rows inserted/updated/deleted
ij> drop table tc;
0 rows inserted/updated/deleted
ij> -- Now bump up the size of tables T3 and T4 to the point where
@@ -1768,101 +1972,75 @@
next time (milliseconds) = 0
close time (milliseconds) = 0
Left result set:
- Project-Restrict ResultSet (10):
+ Index Row to Base Row ResultSet for T3:
Number of opens = 7
Rows seen = 2
- Rows filtered = 0
- restriction = false
- projection = false
+ Columns accessed from heap = {0}
constructor time (milliseconds) = 0
open time (milliseconds) = 0
next time (milliseconds) = 0
close time (milliseconds) = 0
- restriction time (milliseconds) = 0
- projection time (milliseconds) = 0
- Source result set:
- Index Row to Base Row ResultSet for T3:
+ Index Scan ResultSet for T3 using index T3_IX2 at read committed isolation level using share row locking chosen by the optimizer
Number of opens = 7
Rows seen = 2
- Columns accessed from heap = {0}
+ Rows filtered = 0
+ Fetch Size = 1
constructor time (milliseconds) = 0
open time (milliseconds) = 0
next time (milliseconds) = 0
close time (milliseconds) = 0
- Index Scan ResultSet for T3 using index T3_IX2 at read committed isolation level using share row locking chosen by the optimizer
- Number of opens = 7
- Rows seen = 2
- Rows filtered = 0
- Fetch Size = 1
- constructor time (milliseconds) = 0
- open time (milliseconds) = 0
- next time (milliseconds) = 0
- close time (milliseconds) = 0
- next time in milliseconds/row = 0
- scan information:
- Bit set of columns fetched=All
- Number of columns fetched=2
- Number of deleted rows visited=0
- Number of pages visited=3
- Number of rows qualified=0
- Number of rows visited=1
- Scan type=btree
- Tree height=3
- start position:
+ next time in milliseconds/row = 0
+ scan information:
+ Bit set of columns fetched=All
+ Number of columns fetched=2
+ Number of deleted rows visited=0
+ Number of pages visited=3
+ Number of rows qualified=0
+ Number of rows visited=1
+ Scan type=btree
+ Tree height=3
+ start position:
>= on first 1 column(s).
Ordered null semantics on the following columns:
- stop position:
+ stop position:
> on first 1 column(s).
Ordered null semantics on the following columns:
- qualifiers:
+ qualifiers:
None
Right result set:
- Project-Restrict ResultSet (13):
+ Index Row to Base Row ResultSet for T4:
Number of opens = 7
Rows seen = 0
- Rows filtered = 0
- restriction = false
- projection = false
+ Columns accessed from heap = {0}
constructor time (milliseconds) = 0
open time (milliseconds) = 0
next time (milliseconds) = 0
close time (milliseconds) = 0
- restriction time (milliseconds) = 0
- projection time (milliseconds) = 0
- Source result set:
- Index Row to Base Row ResultSet for T4:
+ Index Scan ResultSet for T4 using index T4_IX2 at read committed isolation level using share row locking chosen by the optimizer
Number of opens = 7
Rows seen = 0
- Columns accessed from heap = {0}
+ Rows filtered = 0
+ Fetch Size = 1
constructor time (milliseconds) = 0
open time (milliseconds) = 0
next time (milliseconds) = 0
close time (milliseconds) = 0
- Index Scan ResultSet for T4 using index T4_IX2 at read committed isolation level using share row locking chosen by the optimizer
- Number of opens = 7
- Rows seen = 0
- Rows filtered = 0
- Fetch Size = 1
- constructor time (milliseconds) = 0
- open time (milliseconds) = 0
- next time (milliseconds) = 0
- close time (milliseconds) = 0
- scan information:
- Bit set of columns fetched=All
- Number of columns fetched=2
- Number of deleted rows visited=0
- Number of pages visited=3
- Number of rows qualified=0
- Number of rows visited=1
- Scan type=btree
- Tree height=3
- start position:
+ scan information:
+ Bit set of columns fetched=All
+ Number of columns fetched=2
+ Number of deleted rows visited=0
+ Number of pages visited=3
+ Number of rows qualified=0
+ Number of rows visited=1
+ Scan type=btree
+ Tree height=3
+ start position:
>= on first 1 column(s).
Ordered null semantics on the following columns:
- stop position:
+ stop position:
> on first 1 column(s).
Ordered null semantics on the following columns:
- qualifiers:
+ qualifiers:
None
ij> select * from V2, V1 where V1.j = V2.b;
A |B |I |J
@@ -1887,7 +2065,7 @@
Begin Execution Timestamp : null
End Execution Timestamp : null
Statement Execution Plan Text:
-Project-Restrict ResultSet (14):
+Project-Restrict ResultSet (12):
Number of opens = 1
Rows seen = 2
Rows filtered = 0
@@ -2003,101 +2181,75 @@
next time (milliseconds) = 0
close time (milliseconds) = 0
Left result set:
- Project-Restrict ResultSet (10):
+ Index Row to Base Row ResultSet for T3:
Number of opens = 7
Rows seen = 2
- Rows filtered = 0
- restriction = false
- projection = false
+ Columns accessed from heap = {0}
constructor time (milliseconds) = 0
open time (milliseconds) = 0
next time (milliseconds) = 0
close time (milliseconds) = 0
- restriction time (milliseconds) = 0
- projection time (milliseconds) = 0
- Source result set:
- Index Row to Base Row ResultSet for T3:
+ Index Scan ResultSet for T3 using index T3_IX2 at read committed isolation level using share row locking chosen by the optimizer
Number of opens = 7
Rows seen = 2
- Columns accessed from heap = {0}
+ Rows filtered = 0
+ Fetch Size = 1
constructor time (milliseconds) = 0
open time (milliseconds) = 0
next time (milliseconds) = 0
close time (milliseconds) = 0
- Index Scan ResultSet for T3 using index T3_IX2 at read committed isolation level using share row locking chosen by the optimizer
- Number of opens = 7
- Rows seen = 2
- Rows filtered = 0
- Fetch Size = 1
- constructor time (milliseconds) = 0
- open time (milliseconds) = 0
- next time (milliseconds) = 0
- close time (milliseconds) = 0
- next time in milliseconds/row = 0
- scan information:
- Bit set of columns fetched=All
- Number of columns fetched=2
- Number of deleted rows visited=0
- Number of pages visited=3
- Number of rows qualified=0
- Number of rows visited=1
- Scan type=btree
- Tree height=3
- start position:
+ next time in milliseconds/row = 0
+ scan information:
+ Bit set of columns fetched=All
+ Number of columns fetched=2
+ Number of deleted rows visited=0
+ Number of pages visited=3
+ Number of rows qualified=0
+ Number of rows visited=1
+ Scan type=btree
+ Tree height=3
+ start position:
>= on first 1 column(s).
Ordered null semantics on the following columns:
- stop position:
+ stop position:
> on first 1 column(s).
Ordered null semantics on the following columns:
- qualifiers:
+ qualifiers:
None
Right result set:
- Project-Restrict ResultSet (13):
+ Index Row to Base Row ResultSet for T4:
Number of opens = 7
Rows seen = 0
- Rows filtered = 0
- restriction = false
- projection = false
+ Columns accessed from heap = {0}
constructor time (milliseconds) = 0
open time (milliseconds) = 0
next time (milliseconds) = 0
close time (milliseconds) = 0
- restriction time (milliseconds) = 0
- projection time (milliseconds) = 0
- Source result set:
- Index Row to Base Row ResultSet for T4:
+ Index Scan ResultSet for T4 using index T4_IX2 at read committed isolation level using share row locking chosen by the optimizer
Number of opens = 7
Rows seen = 0
- Columns accessed from heap = {0}
+ Rows filtered = 0
+ Fetch Size = 1
constructor time (milliseconds) = 0
open time (milliseconds) = 0
next time (milliseconds) = 0
close time (milliseconds) = 0
- Index Scan ResultSet for T4 using index T4_IX2 at read committed isolation level using share row locking chosen by the optimizer
- Number of opens = 7
- Rows seen = 0
- Rows filtered = 0
- Fetch Size = 1
- constructor time (milliseconds) = 0
- open time (milliseconds) = 0
- next time (milliseconds) = 0
- close time (milliseconds) = 0
- scan information:
- Bit set of columns fetched=All
- Number of columns fetched=2
- Number of deleted rows visited=0
- Number of pages visited=3
- Number of rows qualified=0
- Number of rows visited=1
- Scan type=btree
- Tree height=3
- start position:
+ scan information:
+ Bit set of columns fetched=All
+ Number of columns fetched=2
+ Number of deleted rows visited=0
+ Number of pages visited=3
+ Number of rows qualified=0
+ Number of rows visited=1
+ Scan type=btree
+ Tree height=3
+ start position:
>= on first 1 column(s).
Ordered null semantics on the following columns:
- stop position:
+ stop position:
> on first 1 column(s).
Ordered null semantics on the following columns:
- qualifiers:
+ qualifiers:
None
ij> -- Changes for DERBY-805 don't affect non-join predicates (ex. "IN" or one-
-- sided predicates), but make sure things still behave--i.e. these queries
@@ -2779,101 +2931,75 @@
next time (milliseconds) = 0
close time (milliseconds) = 0
Left result set:
- Project-Restrict ResultSet (13):
+ Index Row to Base Row ResultSet for T3:
Number of opens = 4
Rows seen = 1
- Rows filtered = 0
- restriction = false
- projection = false
+ Columns accessed from heap = {0}
constructor time (milliseconds) = 0
open time (milliseconds) = 0
next time (milliseconds) = 0
close time (milliseconds) = 0
- restriction time (milliseconds) = 0
- projection time (milliseconds) = 0
- Source result set:
- Index Row to Base Row ResultSet for T3:
+ Index Scan ResultSet for T3 using index T3_IX2 at read committed isolation level using share row locking chosen by the optimizer
Number of opens = 4
Rows seen = 1
- Columns accessed from heap = {0}
+ Rows filtered = 0
+ Fetch Size = 1
constructor time (milliseconds) = 0
open time (milliseconds) = 0
next time (milliseconds) = 0
close time (milliseconds) = 0
- Index Scan ResultSet for T3 using index T3_IX2 at read committed isolation level using share row locking chosen by the optimizer
- Number of opens = 4
- Rows seen = 1
- Rows filtered = 0
- Fetch Size = 1
- constructor time (milliseconds) = 0
- open time (milliseconds) = 0
- next time (milliseconds) = 0
- close time (milliseconds) = 0
- next time in milliseconds/row = 0
- scan information:
- Bit set of columns fetched=All
- Number of columns fetched=2
- Number of deleted rows visited=0
- Number of pages visited=3
- Number of rows qualified=0
- Number of rows visited=1
- Scan type=btree
- Tree height=3
- start position:
+ next time in milliseconds/row = 0
+ scan information:
+ Bit set of columns fetched=All
+ Number of columns fetched=2
+ Number of deleted rows visited=0
+ Number of pages visited=3
+ Number of rows qualified=0
+ Number of rows visited=1
+ Scan type=btree
+ Tree height=3
+ start position:
>= on first 1 column(s).
Ordered null semantics on the following columns:
- stop position:
+ stop position:
> on first 1 column(s).
Ordered null semantics on the following columns:
- qualifiers:
+ qualifiers:
None
Right result set:
- Project-Restrict ResultSet (16):
+ Index Row to Base Row ResultSet for T4:
Number of opens = 4
Rows seen = 0
- Rows filtered = 0
- restriction = false
- projection = false
+ Columns accessed from heap = {0}
constructor time (milliseconds) = 0
open time (milliseconds) = 0
next time (milliseconds) = 0
close time (milliseconds) = 0
- restriction time (milliseconds) = 0
- projection time (milliseconds) = 0
- Source result set:
- Index Row to Base Row ResultSet for T4:
+ Index Scan ResultSet for T4 using index T4_IX2 at read committed isolation level using share row locking chosen by the optimizer
Number of opens = 4
Rows seen = 0
- Columns accessed from heap = {0}
+ Rows filtered = 0
+ Fetch Size = 1
constructor time (milliseconds) = 0
open time (milliseconds) = 0
next time (milliseconds) = 0
close time (milliseconds) = 0
- Index Scan ResultSet for T4 using index T4_IX2 at read committed isolation level using share row locking chosen by the optimizer
- Number of opens = 4
- Rows seen = 0
- Rows filtered = 0
- Fetch Size = 1
- constructor time (milliseconds) = 0
- open time (milliseconds) = 0
- next time (milliseconds) = 0
- close time (milliseconds) = 0
- scan information:
- Bit set of columns fetched=All
- Number of columns fetched=2
- Number of deleted rows visited=0
- Number of pages visited=3
- Number of rows qualified=0
- Number of rows visited=1
- Scan type=btree
- Tree height=3
- start position:
+ scan information:
+ Bit set of columns fetched=All
+ Number of columns fetched=2
+ Number of deleted rows visited=0
+ Number of pages visited=3
+ Number of rows qualified=0
+ Number of rows visited=1
+ Scan type=btree
+ Tree height=3
+ start position:
>= on first 1 column(s).
Ordered null semantics on the following columns:
- stop position:
+ stop position:
> on first 1 column(s).
Ordered null semantics on the following columns:
- qualifiers:
+ qualifiers:
None
ij> -- Make sure predicates are pushed even if the subquery is explicit (as
-- opposed to a view). Should see index scans on T3 and T4.
@@ -3018,102 +3144,76 @@
next time (milliseconds) = 0
close time (milliseconds) = 0
Left result set:
- Project-Restrict ResultSet (10):
+ Index Row to Base Row ResultSet for T3:
Number of opens = 7
Rows seen = 6
- Rows filtered = 0
- restriction = false
- projection = false
+ Columns accessed from heap = {1}
constructor time (milliseconds) = 0
open time (milliseconds) = 0
next time (milliseconds) = 0
close time (milliseconds) = 0
- restriction time (milliseconds) = 0
- projection time (milliseconds) = 0
- Source result set:
- Index Row to Base Row ResultSet for T3:
+ Index Scan ResultSet for T3 using index T3_IX1 at read committed isolation level using share row locking chosen by the optimizer
Number of opens = 7
Rows seen = 6
- Columns accessed from heap = {1}
+ Rows filtered = 0
+ Fetch Size = 1
constructor time (milliseconds) = 0
open time (milliseconds) = 0
next time (milliseconds) = 0
close time (milliseconds) = 0
- Index Scan ResultSet for T3 using index T3_IX1 at read committed isolation level using share row locking chosen by the optimizer
- Number of opens = 7
- Rows seen = 6
- Rows filtered = 0
- Fetch Size = 1
- constructor time (milliseconds) = 0
- open time (milliseconds) = 0
- next time (milliseconds) = 0
- close time (milliseconds) = 0
- next time in milliseconds/row = 0
- scan information:
- Bit set of columns fetched=All
- Number of columns fetched=2
- Number of deleted rows visited=0
- Number of pages visited=3
- Number of rows qualified=0
- Number of rows visited=1
- Scan type=btree
- Tree height=3
- start position:
+ next time in milliseconds/row = 0
+ scan information:
+ Bit set of columns fetched=All
+ Number of columns fetched=2
+ Number of deleted rows visited=0
+ Number of pages visited=3
+ Number of rows qualified=0
+ Number of rows visited=1
+ Scan type=btree
+ Tree height=3
+ start position:
>= on first 1 column(s).
Ordered null semantics on the following columns:
- stop position:
+ stop position:
> on first 1 column(s).
Ordered null semantics on the following columns:
- qualifiers:
+ qualifiers:
None
Right result set:
- Project-Restrict ResultSet (13):
+ Index Row to Base Row ResultSet for T4:
Number of opens = 7
Rows seen = 3
- Rows filtered = 0
- restriction = false
- projection = false
+ Columns accessed from heap = {1}
constructor time (milliseconds) = 0
open time (milliseconds) = 0
next time (milliseconds) = 0
close time (milliseconds) = 0
- restriction time (milliseconds) = 0
- projection time (milliseconds) = 0
- Source result set:
- Index Row to Base Row ResultSet for T4:
+ Index Scan ResultSet for T4 using index T4_IX1 at read committed isolation level using share row locking chosen by the optimizer
Number of opens = 7
Rows seen = 3
- Columns accessed from heap = {1}
+ Rows filtered = 0
+ Fetch Size = 1
constructor time (milliseconds) = 0
open time (milliseconds) = 0
next time (milliseconds) = 0
close time (milliseconds) = 0
- Index Scan ResultSet for T4 using index T4_IX1 at read committed isolation level using share row locking chosen by the optimizer
- Number of opens = 7
- Rows seen = 3
- Rows filtered = 0
- Fetch Size = 1
- constructor time (milliseconds) = 0
- open time (milliseconds) = 0
- next time (milliseconds) = 0
- close time (milliseconds) = 0
- next time in milliseconds/row = 0
- scan information:
- Bit set of columns fetched=All
- Number of columns fetched=2
- Number of deleted rows visited=0
- Number of pages visited=3
- Number of rows qualified=0
- Number of rows visited=1
- Scan type=btree
- Tree height=3
- start position:
+ next time in milliseconds/row = 0
+ scan information:
+ Bit set of columns fetched=All
+ Number of columns fetched=2
+ Number of deleted rows visited=0
+ Number of pages visited=3
+ Number of rows qualified=0
+ Number of rows visited=1
+ Scan type=btree
+ Tree height=3
+ start position:
>= on first 1 column(s).
Ordered null semantics on the following columns:
- stop position:
+ stop position:
> on first 1 column(s).
Ordered null semantics on the following columns:
- qualifiers:
+ qualifiers:
None
ij> -- In this case optimizer will consider pushing predicate to X1 but will
-- choose not to because it's cheaper to push the predicate to T3.
@@ -3400,102 +3500,76 @@
next time (milliseconds) = 0
close time (milliseconds) = 0
Left result set:
- Project-Restrict ResultSet (9):
+ Index Row to Base Row ResultSet for T3:
Number of opens = 10
Rows seen = 8
- Rows filtered = 0
- restriction = false
- projection = false
+ Columns accessed from heap = {1}
constructor time (milliseconds) = 0
open time (milliseconds) = 0
next time (milliseconds) = 0
close time (milliseconds) = 0
- restriction time (milliseconds) = 0
- projection time (milliseconds) = 0
- Source result set:
- Index Row to Base Row ResultSet for T3:
+ Index Scan ResultSet for T3 using index T3_IX1 at read committed isolation level using share row locking chosen by the optimizer
Number of opens = 10
Rows seen = 8
- Columns accessed from heap = {1}
+ Rows filtered = 0
+ Fetch Size = 1
constructor time (milliseconds) = 0
open time (milliseconds) = 0
next time (milliseconds) = 0
close time (milliseconds) = 0
- Index Scan ResultSet for T3 using index T3_IX1 at read committed isolation level using share row locking chosen by the optimizer
- Number of opens = 10
- Rows seen = 8
- Rows filtered = 0
- Fetch Size = 1
- constructor time (milliseconds) = 0
- open time (milliseconds) = 0
- next time (milliseconds) = 0
- close time (milliseconds) = 0
- next time in milliseconds/row = 0
- scan information:
- Bit set of columns fetched=All
- Number of columns fetched=2
- Number of deleted rows visited=0
- Number of pages visited=3
- Number of rows qualified=0
- Number of rows visited=1
- Scan type=btree
- Tree height=3
- start position:
+ next time in milliseconds/row = 0
+ scan information:
+ Bit set of columns fetched=All
+ Number of columns fetched=2
+ Number of deleted rows visited=0
+ Number of pages visited=3
+ Number of rows qualified=0
+ Number of rows visited=1
+ Scan type=btree
+ Tree height=3
+ start position:
>= on first 1 column(s).
Ordered null semantics on the following columns:
- stop position:
+ stop position:
> on first 1 column(s).
Ordered null semantics on the following columns:
- qualifiers:
+ qualifiers:
None
Right result set:
- Project-Restrict ResultSet (12):
+ Index Row to Base Row ResultSet for T4:
Number of opens = 10
Rows seen = 4
- Rows filtered = 0
- restriction = false
- projection = false
+ Columns accessed from heap = {1}
constructor time (milliseconds) = 0
open time (milliseconds) = 0
next time (milliseconds) = 0
close time (milliseconds) = 0
- restriction time (milliseconds) = 0
- projection time (milliseconds) = 0
- Source result set:
- Index Row to Base Row ResultSet for T4:
+ Index Scan ResultSet for T4 using index T4_IX1 at read committed isolation level using share row locking chosen by the optimizer
Number of opens = 10
Rows seen = 4
- Columns accessed from heap = {1}
+ Rows filtered = 0
+ Fetch Size = 1
constructor time (milliseconds) = 0
open time (milliseconds) = 0
next time (milliseconds) = 0
close time (milliseconds) = 0
- Index Scan ResultSet for T4 using index T4_IX1 at read committed isolation level using share row locking chosen by the optimizer
- Number of opens = 10
- Rows seen = 4
- Rows filtered = 0
- Fetch Size = 1
- constructor time (milliseconds) = 0
- open time (milliseconds) = 0
- next time (milliseconds) = 0
- close time (milliseconds) = 0
- next time in milliseconds/row = 0
- scan information:
- Bit set of columns fetched=All
- Number of columns fetched=2
- Number of deleted rows visited=0
- Number of pages visited=3
- Number of rows qualified=0
- Number of rows visited=1
- Scan type=btree
- Tree height=3
- start position:
+ next time in milliseconds/row = 0
+ scan information:
+ Bit set of columns fetched=All
+ Number of columns fetched=2
+ Number of deleted rows visited=0
+ Number of pages visited=3
+ Number of rows qualified=0
+ Number of rows visited=1
+ Scan type=btree
+ Tree height=3
+ start position:
>= on first 1 column(s).
Ordered null semantics on the following columns:
- stop position:
+ stop position:
> on first 1 column(s).
Ordered null semantics on the following columns:
- qualifiers:
+ qualifiers:
None
ij> select * from
(select * from t1 union all select * from t2) x1,
@@ -3611,102 +3685,76 @@
next time (milliseconds) = 0
close time (milliseconds) = 0
Left result set:
- Project-Restrict ResultSet (8):
+ Index Row to Base Row ResultSet for T3:
Number of opens = 10
Rows seen = 8
- Rows filtered = 0
- restriction = false
- projection = false
+ Columns accessed from heap = {1}
constructor time (milliseconds) = 0
open time (milliseconds) = 0
next time (milliseconds) = 0
close time (milliseconds) = 0
- restriction time (milliseconds) = 0
- projection time (milliseconds) = 0
- Source result set:
- Index Row to Base Row ResultSet for T3:
+ Index Scan ResultSet for T3 using index T3_IX1 at read committed isolation level using share row locking chosen by the optimizer
Number of opens = 10
Rows seen = 8
- Columns accessed from heap = {1}
+ Rows filtered = 0
+ Fetch Size = 1
constructor time (milliseconds) = 0
open time (milliseconds) = 0
next time (milliseconds) = 0
close time (milliseconds) = 0
- Index Scan ResultSet for T3 using index T3_IX1 at read committed isolation level using share row locking chosen by the optimizer
- Number of opens = 10
- Rows seen = 8
- Rows filtered = 0
- Fetch Size = 1
- constructor time (milliseconds) = 0
- open time (milliseconds) = 0
- next time (milliseconds) = 0
- close time (milliseconds) = 0
- next time in milliseconds/row = 0
- scan information:
- Bit set of columns fetched=All
- Number of columns fetched=2
- Number of deleted rows visited=0
- Number of pages visited=3
- Number of rows qualified=0
- Number of rows visited=1
- Scan type=btree
- Tree height=3
- start position:
+ next time in milliseconds/row = 0
+ scan information:
+ Bit set of columns fetched=All
+ Number of columns fetched=2
+ Number of deleted rows visited=0
+ Number of pages visited=3
+ Number of rows qualified=0
+ Number of rows visited=1
+ Scan type=btree
+ Tree height=3
+ start position:
>= on first 1 column(s).
Ordered null semantics on the following columns:
- stop position:
+ stop position:
> on first 1 column(s).
Ordered null semantics on the following columns:
- qualifiers:
+ qualifiers:
None
Right result set:
- Project-Restrict ResultSet (11):
+ Index Row to Base Row ResultSet for T4:
Number of opens = 10
Rows seen = 4
- Rows filtered = 0
- restriction = false
- projection = false
+ Columns accessed from heap = {1}
constructor time (milliseconds) = 0
open time (milliseconds) = 0
next time (milliseconds) = 0
close time (milliseconds) = 0
- restriction time (milliseconds) = 0
- projection time (milliseconds) = 0
- Source result set:
- Index Row to Base Row ResultSet for T4:
+ Index Scan ResultSet for T4 using index T4_IX1 at read committed isolation level using share row locking chosen by the optimizer
Number of opens = 10
Rows seen = 4
- Columns accessed from heap = {1}
+ Rows filtered = 0
+ Fetch Size = 1
constructor time (milliseconds) = 0
open time (milliseconds) = 0
next time (milliseconds) = 0
close time (milliseconds) = 0
- Index Scan ResultSet for T4 using index T4_IX1 at read committed isolation level using share row locking chosen by the optimizer
- Number of opens = 10
- Rows seen = 4
- Rows filtered = 0
- Fetch Size = 1
- constructor time (milliseconds) = 0
- open time (milliseconds) = 0
- next time (milliseconds) = 0
- close time (milliseconds) = 0
- next time in milliseconds/row = 0
- scan information:
- Bit set of columns fetched=All
- Number of columns fetched=2
- Number of deleted rows visited=0
- Number of pages visited=3
- Number of rows qualified=0
- Number of rows visited=1
- Scan type=btree
- Tree height=3
- start position:
+ next time in milliseconds/row = 0
+ scan information:
+ Bit set of columns fetched=All
+ Number of columns fetched=2
+ Number of deleted rows visited=0
+ Number of pages visited=3
+ Number of rows qualified=0
+ Number of rows visited=1
+ Scan type=btree
+ Tree height=3
+ start position:
>= on first 1 column(s).
Ordered null semantics on the following columns:
- stop position:
+ stop position:
> on first 1 column(s).
Ordered null semantics on the following columns:
- qualifiers:
+ qualifiers:
None
ij> -- Predicate with both sides referencing same UNION isn't a join predicate, so
-- no pushing should happen. So should see regular table scans on all tables.
@@ -3744,124 +3792,85 @@
next time (milliseconds) = 0
close time (milliseconds) = 0
Left result set:
- Sort ResultSet:
+ Project-Restrict ResultSet (6):
Number of opens = 1
- Rows input = 0
- Rows returned = 0
- Eliminate duplicates = true
- In sorted order = false
- Sort information:
- Number of rows input=0
- Number of rows output=0
+ Rows seen = 7
+ Rows filtered = 7
+ restriction = true
+ projection = true
constructor time (milliseconds) = 0
open time (milliseconds) = 0
next time (milliseconds) = 0
close time (milliseconds) = 0
+ restriction time (milliseconds) = 0
+ projection time (milliseconds) = 0
Source result set:
- Union ResultSet:
+ Sort ResultSet:
Number of opens = 1
- Rows seen from the left = 0
- Rows seen from the right = 0
- Rows returned = 0
+ Rows input = 10
+ Rows returned = 7
+ Eliminate duplicates = true
+ In sorted order = false
+ Sort information:
+ Number of rows input=10
+ Number of rows output=7
constructor time (milliseconds) = 0
open time (milliseconds) = 0
next time (milliseconds) = 0
close time (milliseconds) = 0
- Left result set:
- Project-Restrict ResultSet (6):
+ Source result set:
+ Union ResultSet:
Number of opens = 1
- Rows seen = 0
- Rows filtered = 0
- restriction = false
- projection = false
+ Rows seen from the left = 5
+ Rows seen from the right = 5
+ Rows returned = 10
constructor time (milliseconds) = 0
open time (milliseconds) = 0
next time (milliseconds) = 0
close time (milliseconds) = 0
- restriction time (milliseconds) = 0
- projection time (milliseconds) = 0
- Source result set:
- Project-Restrict ResultSet (5):
+ Left result set:
+ Table Scan ResultSet for T1 at read committed isolation level using share row locking chosen by the optimizer
Number of opens = 1
Rows seen = 5
- Rows filtered = 5
- restriction = true
- projection = false
+ Rows filtered = 0
+ Fetch Size = 1
constructor time (milliseconds) = 0
open time (milliseconds) = 0
next time (milliseconds) = 0
close time (milliseconds) = 0
- restriction time (milliseconds) = 0
- projection time (milliseconds) = 0
- Source result set:
- Table Scan ResultSet for T1 at read committed isolation level using share row locking chosen by the optimizer
- Number of opens = 1
- Rows seen = 5
- Rows filtered = 0
- Fetch Size = 1
- constructor time (milliseconds) = 0
- open time (milliseconds) = 0
- next time (milliseconds) = 0
- close time (milliseconds) = 0
- next time in milliseconds/row = 0
- scan information:
- Bit set of columns fetched=All
- Number of columns fetched=2
- Number of pages visited=1
- Number of rows qualified=5
- Number of rows visited=5
- Scan type=heap
- start position:
-null stop position:
-null qualifiers:
+ next time in milliseconds/row = 0
+ scan information:
+ Bit set of columns fetched=All
+ Number of columns fetched=2
+ Number of pages visited=1
+ Number of rows qualified=5
+ Number of rows visited=5
+ Scan type=heap
+ start position:
+null stop position:
+null qualifiers:
None
- Right result set:
- Project-Restrict ResultSet (9):
- Number of opens = 1
- Rows seen = 0
- Rows filtered = 0
- restriction = false
- projection = false
- constructor time (milliseconds) = 0
- open time (milliseconds) = 0
- next time (milliseconds) = 0
- close time (milliseconds) = 0
- restriction time (milliseconds) = 0
- projection time (milliseconds) = 0
- Source result set:
- Project-Restrict ResultSet (8):
+ Right result set:
+ Table Scan ResultSet for T2 at read committed isolation level using share row locking chosen by the optimizer
Number of opens = 1
Rows seen = 5
- Rows filtered = 5
- restriction = true
- projection = false
+ Rows filtered = 0
+ Fetch Size = 1
constructor time (milliseconds) = 0
open time (milliseconds) = 0
next time (milliseconds) = 0
close time (milliseconds) = 0
- restriction time (milliseconds) = 0
- projection time (milliseconds) = 0
- Source result set:
- Table Scan ResultSet for T2 at read committed isolation level using share row locking chosen by the optimizer
- Number of opens = 1
- Rows seen = 5
- Rows filtered = 0
- Fetch Size = 1
- constructor time (milliseconds) = 0
- open time (milliseconds) = 0
- next time (milliseconds) = 0
- close time (milliseconds) = 0
- next time in milliseconds/row = 0
- scan information:
- Bit set of columns fetched=All
- Number of columns fetched=2
- Number of pages visited=1
- Number of rows qualified=5
- Number of rows visited=5
- Scan type=heap
- start position:
-null stop position:
-null qualifiers:
+ next time in milliseconds/row = 0
+ scan information:
+ Bit set of columns fetched=All
+ Number of columns fetched=2
+ Number of pages visited=1
+ Number of rows qualified=5
+ Number of rows visited=5
+ Scan type=heap
+ start position:
+null stop position:
+null qualifiers:
None
Right result set:
Sort ResultSet:
@@ -4058,102 +4067,76 @@
next time (milliseconds) = 0
close time (milliseconds) = 0
Left result set:
- Project-Restrict ResultSet (10):
+ Index Row to Base Row ResultSet for T3:
Number of opens = 7
Rows seen = 6
- Rows filtered = 0
- restriction = false
- projection = false
+ Columns accessed from heap = {1}
constructor time (milliseconds) = 0
open time (milliseconds) = 0
next time (milliseconds) = 0
close time (milliseconds) = 0
- restriction time (milliseconds) = 0
- projection time (milliseconds) = 0
- Source result set:
- Index Row to Base Row ResultSet for T3:
+ Index Scan ResultSet for T3 using index T3_IX1 at read committed isolation level using share row locking chosen by the optimizer
Number of opens = 7
Rows seen = 6
- Columns accessed from heap = {1}
+ Rows filtered = 0
+ Fetch Size = 1
constructor time (milliseconds) = 0
open time (milliseconds) = 0
next time (milliseconds) = 0
close time (milliseconds) = 0
- Index Scan ResultSet for T3 using index T3_IX1 at read committed isolation level using share row locking chosen by the optimizer
- Number of opens = 7
- Rows seen = 6
- Rows filtered = 0
- Fetch Size = 1
- constructor time (milliseconds) = 0
- open time (milliseconds) = 0
- next time (milliseconds) = 0
- close time (milliseconds) = 0
- next time in milliseconds/row = 0
- scan information:
- Bit set of columns fetched=All
- Number of columns fetched=2
- Number of deleted rows visited=0
- Number of pages visited=3
- Number of rows qualified=0
- Number of rows visited=1
- Scan type=btree
- Tree height=3
- start position:
+ next time in milliseconds/row = 0
+ scan information:
+ Bit set of columns fetched=All
+ Number of columns fetched=2
+ Number of deleted rows visited=0
+ Number of pages visited=3
+ Number of rows qualified=0
+ Number of rows visited=1
+ Scan type=btree
+ Tree height=3
+ start position:
>= on first 1 column(s).
Ordered null semantics on the following columns:
- stop position:
+ stop position:
> on first 1 column(s).
Ordered null semantics on the following columns:
- qualifiers:
+ qualifiers:
None
Right result set:
- Project-Restrict ResultSet (13):
+ Index Row to Base Row ResultSet for T4:
Number of opens = 7
Rows seen = 3
- Rows filtered = 0
- restriction = false
- projection = false
+ Columns accessed from heap = {1}
constructor time (milliseconds) = 0
open time (milliseconds) = 0
next time (milliseconds) = 0
close time (milliseconds) = 0
- restriction time (milliseconds) = 0
- projection time (milliseconds) = 0
- Source result set:
- Index Row to Base Row ResultSet for T4:
+ Index Scan ResultSet for T4 using index T4_IX1 at read committed isolation level using share row locking chosen by the optimizer
Number of opens = 7
Rows seen = 3
- Columns accessed from heap = {1}
+ Rows filtered = 0
+ Fetch Size = 1
constructor time (milliseconds) = 0
open time (milliseconds) = 0
next time (milliseconds) = 0
close time (milliseconds) = 0
- Index Scan ResultSet for T4 using index T4_IX1 at read committed isolation level using share row locking chosen by the optimizer
- Number of opens = 7
- Rows seen = 3
- Rows filtered = 0
- Fetch Size = 1
- constructor time (milliseconds) = 0
- open time (milliseconds) = 0
- next time (milliseconds) = 0
- close time (milliseconds) = 0
- next time in milliseconds/row = 0
- scan information:
- Bit set of columns fetched=All
- Number of columns fetched=2
- Number of deleted rows visited=0
- Number of pages visited=3
- Number of rows qualified=0
- Number of rows visited=1
- Scan type=btree
- Tree height=3
- start position:
+ next time in milliseconds/row = 0
+ scan information:
+ Bit set of columns fetched=All
+ Number of columns fetched=2
+ Number of deleted rows visited=0
+ Number of pages visited=3
+ Number of rows qualified=0
+ Number of rows visited=1
+ Scan type=btree
+ Tree height=3
+ start position:
>= on first 1 column(s).
Ordered null semantics on the following columns:
- stop position:
+ stop position:
> on first 1 column(s).
Ordered null semantics on the following columns:
- qualifiers:
+ qualifiers:
None
ij> select * from
(select * from t1 union select * from t2) x1 (a, b),
@@ -4294,102 +4277,76 @@
next time (milliseconds) = 0
close time (milliseconds) = 0
Left result set:
- Project-Restrict ResultSet (10):
+ Index Row to Base Row ResultSet for T3:
Number of opens = 7
Rows seen = 6
- Rows filtered = 0
- restriction = false
- projection = false
+ Columns accessed from heap = {1}
constructor time (milliseconds) = 0
open time (milliseconds) = 0
next time (milliseconds) = 0
close time (milliseconds) = 0
- restriction time (milliseconds) = 0
- projection time (milliseconds) = 0
- Source result set:
- Index Row to Base Row ResultSet for T3:
+ Index Scan ResultSet for T3 using index T3_IX1 at read committed isolation level using share row locking chosen by the optimizer
Number of opens = 7
Rows seen = 6
- Columns accessed from heap = {1}
+ Rows filtered = 0
+ Fetch Size = 1
constructor time (milliseconds) = 0
open time (milliseconds) = 0
next time (milliseconds) = 0
close time (milliseconds) = 0
- Index Scan ResultSet for T3 using index T3_IX1 at read committed isolation level using share row locking chosen by the optimizer
- Number of opens = 7
- Rows seen = 6
- Rows filtered = 0
- Fetch Size = 1
- constructor time (milliseconds) = 0
- open time (milliseconds) = 0
- next time (milliseconds) = 0
- close time (milliseconds) = 0
- next time in milliseconds/row = 0
- scan information:
- Bit set of columns fetched=All
- Number of columns fetched=2
- Number of deleted rows visited=0
- Number of pages visited=3
- Number of rows qualified=0
- Number of rows visited=1
- Scan type=btree
- Tree height=3
- start position:
+ next time in milliseconds/row = 0
+ scan information:
+ Bit set of columns fetched=All
+ Number of columns fetched=2
+ Number of deleted rows visited=0
+ Number of pages visited=3
+ Number of rows qualified=0
+ Number of rows visited=1
+ Scan type=btree
+ Tree height=3
+ start position:
>= on first 1 column(s).
Ordered null semantics on the following columns:
- stop position:
+ stop position:
> on first 1 column(s).
Ordered null semantics on the following columns:
- qualifiers:
+ qualifiers:
None
Right result set:
- Project-Restrict ResultSet (13):
+ Index Row to Base Row ResultSet for T4:
Number of opens = 7
Rows seen = 3
- Rows filtered = 0
- restriction = false
- projection = false
+ Columns accessed from heap = {1}
constructor time (milliseconds) = 0
open time (milliseconds) = 0
next time (milliseconds) = 0
close time (milliseconds) = 0
- restriction time (milliseconds) = 0
- projection time (milliseconds) = 0
- Source result set:
- Index Row to Base Row ResultSet for T4:
+ Index Scan ResultSet for T4 using index T4_IX1 at read committed isolation level using share row locking chosen by the optimizer
Number of opens = 7
Rows seen = 3
- Columns accessed from heap = {1}
+ Rows filtered = 0
+ Fetch Size = 1
constructor time (milliseconds) = 0
open time (milliseconds) = 0
next time (milliseconds) = 0
close time (milliseconds) = 0
- Index Scan ResultSet for T4 using index T4_IX1 at read committed isolation level using share row locking chosen by the optimizer
- Number of opens = 7
- Rows seen = 3
- Rows filtered = 0
- Fetch Size = 1
- constructor time (milliseconds) = 0
- open time (milliseconds) = 0
- next time (milliseconds) = 0
- close time (milliseconds) = 0
- next time in milliseconds/row = 0
- scan information:
- Bit set of columns fetched=All
- Number of columns fetched=2
- Number of deleted rows visited=0
- Number of pages visited=3
- Number of rows qualified=0
- Number of rows visited=1
- Scan type=btree
- Tree height=3
- start position:
+ next time in milliseconds/row = 0
+ scan information:
+ Bit set of columns fetched=All
+ Number of columns fetched=2
+ Number of deleted rows visited=0
+ Number of pages visited=3
+ Number of rows qualified=0
+ Number of rows visited=1
+ Scan type=btree
+ Tree height=3
+ start position:
>= on first 1 column(s).
Ordered null semantics on the following columns:
- stop position:
+ stop position:
> on first 1 column(s).
Ordered null semantics on the following columns:
- qualifiers:
+ qualifiers:
None
ij> -- In this query the optimizer will consider pushing, but will find
-- that it's cheaper to do a hash join and thus will _not_ push. So
@@ -4857,117 +4814,42 @@
next time (milliseconds) = 0
close time (milliseconds) = 0
Left result set:
- Project-Restrict ResultSet (15):
+ Index Row to Base Row ResultSet for T3:
Number of opens = 7
Rows seen = 6
- Rows filtered = 0
- restriction = false
- projection = false
+ Columns accessed from heap = {1}
constructor time (milliseconds) = 0
open time (milliseconds) = 0
next time (milliseconds) = 0
close time (milliseconds) = 0
- restriction time (milliseconds) = 0
- projection time (milliseconds) = 0
- Source result set:
- Index Row to Base Row ResultSet for T3:
+ Index Scan ResultSet for T3 using index T3_IX1 at read committed isolation level using share row locking chosen by the optimizer
Number of opens = 7
Rows seen = 6
- Columns accessed from heap = {1}
- constructor time (milliseconds) = 0
- open time (milliseconds) = 0
- next time (milliseconds) = 0
- close time (milliseconds) = 0
- Index Scan ResultSet for T3 using index T3_IX1 at read committed isolation level using share row locking chosen by the optimizer
- Number of opens = 7
- Rows seen = 6
- Rows filtered = 0
- Fetch Size = 1
- constructor time (milliseconds) = 0
- open time (milliseconds) = 0
- next time (milliseconds) = 0
- close time (milliseconds) = 0
- next time in milliseconds/row = 0
- scan information:
- Bit set of columns fetched=All
- Number of columns fetched=2
- Number of deleted rows visited=0
- Number of pages visited=3
- Number of rows qualified=0
- Number of rows visited=1
- Scan type=btree
- Tree height=3
- start position:
- >= on first 1 column(s).
- Ordered null semantics on the following columns:
- stop position:
- > on first 1 column(s).
- Ordered null semantics on the following columns:
- qualifiers:
-None
- Right result set:
- Project-Restrict ResultSet (18):
- Number of opens = 7
- Rows seen = 3
- Rows filtered = 0
- restriction = false
- projection = false
- constructor time (milliseconds) = 0
- open time (milliseconds) = 0
- next time (milliseconds) = 0
- close time (milliseconds) = 0
- restriction time (milliseconds) = 0
- projection time (milliseconds) = 0
- Source result set:
- Index Row to Base Row ResultSet for T4:
- Number of opens = 7
- Rows seen = 3
- Columns accessed from heap = {1}
+ Rows filtered = 0
+ Fetch Size = 1
constructor time (milliseconds) = 0
open time (milliseconds) = 0
next time (milliseconds) = 0
- close time (milliseconds) = 0
- Index Scan ResultSet for T4 using index T4_IX1 at read committed isolation level using share row locking chosen by the optimizer
- Number of opens = 7
- Rows seen = 3
- Rows filtered = 0
- Fetch Size = 1
- constructor time (milliseconds) = 0
- open time (milliseconds) = 0
- next time (milliseconds) = 0
- close time (milliseconds) = 0
- next time in milliseconds/row = 0
- scan information:
- Bit set of columns fetched=All
- Number of columns fetched=2
- Number of deleted rows visited=0
- Number of pages visited=3
- Number of rows qualified=0
- Number of rows visited=1
- Scan type=btree
- Tree height=3
- start position:
+ close time (milliseconds) = 0
+ next time in milliseconds/row = 0
+ scan information:
+ Bit set of columns fetched=All
+ Number of columns fetched=2
+ Number of deleted rows visited=0
+ Number of pages visited=3
+ Number of rows qualified=0
+ Number of rows visited=1
+ Scan type=btree
+ Tree height=3
+ start position:
>= on first 1 column(s).
Ordered null semantics on the following columns:
- stop position:
+ stop position:
> on first 1 column(s).
Ordered null semantics on the following columns:
- qualifiers:
+ qualifiers:
None
- Right result set:
- Project-Restrict ResultSet (21):
- Number of opens = 7
- Rows seen = 3
- Rows filtered = 0
- restriction = false
- projection = false
- constructor time (milliseconds) = 0
- open time (milliseconds) = 0
- next time (milliseconds) = 0
- close time (milliseconds) = 0
- restriction time (milliseconds) = 0
- projection time (milliseconds) = 0
- Source result set:
+ Right result set:
Index Row to Base Row ResultSet for T4:
Number of opens = 7
Rows seen = 3
@@ -5003,6 +4885,42 @@
Ordered null semantics on the following columns:
qualifiers:
None
+ Right result set:
+ Index Row to Base Row ResultSet for T4:
+ Number of opens = 7
+ Rows seen = 3
+ Columns accessed from heap = {1}
+ constructor time (milliseconds) = 0
+ open time (milliseconds) = 0
+ next time (milliseconds) = 0
+ close time (milliseconds) = 0
+ Index Scan ResultSet for T4 using index T4_IX1 at read committed isolation level using share row locking chosen by the optimizer
+ Number of opens = 7
+ Rows seen = 3
+ Rows filtered = 0
+ Fetch Size = 1
+ constructor time (milliseconds) = 0
+ open time (milliseconds) = 0
+ next time (milliseconds) = 0
+ close time (milliseconds) = 0
+ next time in milliseconds/row = 0
+ scan information:
+ Bit set of columns fetched=All
+ Number of columns fetched=2
+ Number of deleted rows visited=0
+ Number of pages visited=3
+ Number of rows qualified=0
+ Number of rows visited=1
+ Scan type=btree
+ Tree height=3
+ start position:
+ >= on first 1 column(s).
+ Ordered null semantics on the following columns:
+ stop position:
+ > on first 1 column(s).
+ Ordered null semantics on the following columns:
+ qualifiers:
+None
ij> -- Nested unions with non-join predicates should work as usual (no change
-- with DERBY-805). So should see scalar qualifiers on scans for all
-- instances of T1 and T2.
@@ -5562,101 +5480,75 @@
next time (milliseconds) = 0
close time (milliseconds) = 0
Left result set:
- Project-Restrict ResultSet (10):
+ Index Row to Base Row ResultSet for T3:
Number of opens = 7
Rows seen = 2
- Rows filtered = 0
- restriction = false
- projection = false
+ Columns accessed from heap = {0}
constructor time (milliseconds) = 0
open time (milliseconds) = 0
next time (milliseconds) = 0
close time (milliseconds) = 0
- restriction time (milliseconds) = 0
- projection time (milliseconds) = 0
- Source result set:
- Index Row to Base Row ResultSet for T3:
+ Index Scan ResultSet for T3 using index T3_IX2 at read committed isolation level using share row locking chosen by the optimizer
Number of opens = 7
Rows seen = 2
- Columns accessed from heap = {0}
+ Rows filtered = 0
+ Fetch Size = 1
constructor time (milliseconds) = 0
open time (milliseconds) = 0
next time (milliseconds) = 0
close time (milliseconds) = 0
- Index Scan ResultSet for T3 using index T3_IX2 at read committed isolation level using share row locking chosen by the optimizer
- Number of opens = 7
- Rows seen = 2
- Rows filtered = 0
- Fetch Size = 1
- constructor time (milliseconds) = 0
- open time (milliseconds) = 0
- next time (milliseconds) = 0
- close time (milliseconds) = 0
- next time in milliseconds/row = 0
- scan information:
- Bit set of columns fetched=All
- Number of columns fetched=2
- Number of deleted rows visited=0
- Number of pages visited=3
- Number of rows qualified=0
- Number of rows visited=1
- Scan type=btree
- Tree height=3
- start position:
+ next time in milliseconds/row = 0
+ scan information:
+ Bit set of columns fetched=All
+ Number of columns fetched=2
+ Number of deleted rows visited=0
+ Number of pages visited=3
+ Number of rows qualified=0
+ Number of rows visited=1
+ Scan type=btree
+ Tree height=3
+ start position:
>= on first 1 column(s).
Ordered null semantics on the following columns:
- stop position:
+ stop position:
> on first 1 column(s).
Ordered null semantics on the following columns:
- qualifiers:
+ qualifiers:
None
Right result set:
- Project-Restrict ResultSet (13):
+ Index Row to Base Row ResultSet for T4:
Number of opens = 7
Rows seen = 0
- Rows filtered = 0
- restriction = false
- projection = false
+ Columns accessed from heap = {0}
constructor time (milliseconds) = 0
open time (milliseconds) = 0
next time (milliseconds) = 0
close time (milliseconds) = 0
- restriction time (milliseconds) = 0
- projection time (milliseconds) = 0
- Source result set:
- Index Row to Base Row ResultSet for T4:
+ Index Scan ResultSet for T4 using index T4_IX2 at read committed isolation level using share row locking chosen by the optimizer
Number of opens = 7
Rows seen = 0
- Columns accessed from heap = {0}
+ Rows filtered = 0
+ Fetch Size = 1
constructor time (milliseconds) = 0
open time (milliseconds) = 0
next time (milliseconds) = 0
close time (milliseconds) = 0
- Index Scan ResultSet for T4 using index T4_IX2 at read committed isolation level using share row locking chosen by the optimizer
- Number of opens = 7
- Rows seen = 0
- Rows filtered = 0
- Fetch Size = 1
- constructor time (milliseconds) = 0
- open time (milliseconds) = 0
- next time (milliseconds) = 0
- close time (milliseconds) = 0
- scan information:
- Bit set of columns fetched=All
- Number of columns fetched=2
- Number of deleted rows visited=0
- Number of pages visited=3
- Number of rows qualified=0
- Number of rows visited=1
- Scan type=btree
- Tree height=3
- start position:
+ scan information:
+ Bit set of columns fetched=All
+ Number of columns fetched=2
+ Number of deleted rows visited=0
+ Number of pages visited=3
+ Number of rows qualified=0
+ Number of rows visited=1
+ Scan type=btree
+ Tree height=3
+ start position:
>= on first 1 column(s).
Ordered null semantics on the following columns:
- stop position:
+ stop position:
> on first 1 column(s).
Ordered null semantics on the following columns:
- qualifiers:
+ qualifiers:
None
ij> -- Can't push predicates into VALUES clauses. Predicate should end up
-- at V2 (T3 and T4).
@@ -5885,102 +5777,76 @@
next time (milliseconds) = 0
close time (milliseconds) = 0
Left result set:
- Project-Restrict ResultSet (18):
+ Index Row to Base Row ResultSet for T3:
Number of opens = 11
Rows seen = 10
- Rows filtered = 0
- restriction = false
- projection = false
+ Columns accessed from heap = {1}
constructor time (milliseconds) = 0
open time (milliseconds) = 0
next time (milliseconds) = 0
close time (milliseconds) = 0
- restriction time (milliseconds) = 0
- projection time (milliseconds) = 0
- Source result set:
- Index Row to Base Row ResultSet for T3:
+ Index Scan ResultSet for T3 using index T3_IX1 at read committed isolation level using share row locking chosen by the optimizer
Number of opens = 11
Rows seen = 10
- Columns accessed from heap = {1}
+ Rows filtered = 0
+ Fetch Size = 1
constructor time (milliseconds) = 0
open time (milliseconds) = 0
next time (milliseconds) = 0
close time (milliseconds) = 0
- Index Scan ResultSet for T3 using index T3_IX1 at read committed isolation level using share row locking chosen by the optimizer
- Number of opens = 11
- Rows seen = 10
- Rows filtered = 0
- Fetch Size = 1
- constructor time (milliseconds) = 0
- open time (milliseconds) = 0
- next time (milliseconds) = 0
- close time (milliseconds) = 0
- next time in milliseconds/row = 0
- scan information:
- Bit set of columns fetched=All
- Number of columns fetched=2
- Number of deleted rows visited=0
- Number of pages visited=3
- Number of rows qualified=0
- Number of rows visited=1
- Scan type=btree
- Tree height=3
- start position:
+ next time in milliseconds/row = 0
+ scan information:
+ Bit set of columns fetched=All
+ Number of columns fetched=2
+ Number of deleted rows visited=0
+ Number of pages visited=3
+ Number of rows qualified=0
+ Number of rows visited=1
+ Scan type=btree
+ Tree height=3
+ start position:
>= on first 1 column(s).
Ordered null semantics on the following columns:
- stop position:
+ stop position:
> on first 1 column(s).
Ordered null semantics on the following columns:
- qualifiers:
+ qualifiers:
None
Right result set:
- Project-Restrict ResultSet (21):
+ Index Row to Base Row ResultSet for T4:
Number of opens = 11
Rows seen = 5
- Rows filtered = 0
- restriction = false
- projection = false
+ Columns accessed from heap = {1}
constructor time (milliseconds) = 0
open time (milliseconds) = 0
next time (milliseconds) = 0
close time (milliseconds) = 0
- restriction time (milliseconds) = 0
- projection time (milliseconds) = 0
- Source result set:
- Index Row to Base Row ResultSet for T4:
+ Index Scan ResultSet for T4 using index T4_IX1 at read committed isolation level using share row locking chosen by the optimizer
Number of opens = 11
Rows seen = 5
- Columns accessed from heap = {1}
+ Rows filtered = 0
+ Fetch Size = 1
constructor time (milliseconds) = 0
open time (milliseconds) = 0
next time (milliseconds) = 0
close time (milliseconds) = 0
- Index Scan ResultSet for T4 using index T4_IX1 at read committed isolation level using share row locking chosen by the optimizer
- Number of opens = 11
- Rows seen = 5
- Rows filtered = 0
- Fetch Size = 1
- constructor time (milliseconds) = 0
- open time (milliseconds) = 0
- next time (milliseconds) = 0
- close time (milliseconds) = 0
- next time in milliseconds/row = 0
- scan information:
- Bit set of columns fetched=All
- Number of columns fetched=2
- Number of deleted rows visited=0
- Number of pages visited=3
- Number of rows qualified=0
- Number of rows visited=1
- Scan type=btree
- Tree height=3
- start position:
+ next time in milliseconds/row = 0
+ scan information:
+ Bit set of columns fetched=All
+ Number of columns fetched=2
+ Number of deleted rows visited=0
+ Number of pages visited=3
+ Number of rows qualified=0
+ Number of rows visited=1
+ Scan type=btree
+ Tree height=3
+ start position:
>= on first 1 column(s).
Ordered null semantics on the following columns:
- stop position:
+ stop position:
> on first 1 column(s).
Ordered null semantics on the following columns:
- qualifiers:
+ qualifiers:
None
ij> -- Can't push predicates into VALUES clauses. Optimizer might consider pushing
-- but shouldn't do it; in the end we'll do a hash join between X1 and T2.
@@ -6402,7 +6268,7 @@
null qualifiers:
None
Right result set:
- Project-Restrict ResultSet (26):
+ Project-Restrict ResultSet (25):
Number of opens = 11
Rows seen = 1127
Rows filtered = 1108
@@ -6515,53 +6381,40 @@
next time (milliseconds) = 0
close time (milliseconds) = 0
Right result set:
- Project-Restrict ResultSet (25):
+ Index Row to Base Row ResultSet for T4:
Number of opens = 11
Rows seen = 5
- Rows filtered = 0
- restriction = false
- projection = false
+ Columns accessed from heap = {1}
constructor time (milliseconds) = 0
open time (milliseconds) = 0
next time (milliseconds) = 0
close time (milliseconds) = 0
- restriction time (milliseconds) = 0
- projection time (milliseconds) = 0
- Source result set:
- Index Row to Base Row ResultSet for T4:
+ Index Scan ResultSet for T4 using index T4_IX1 at read committed isolation level using share row locking chosen by the optimizer
Number of opens = 11
Rows seen = 5
- Columns accessed from heap = {1}
+ Rows filtered = 0
+ Fetch Size = 1
constructor time (milliseconds) = 0
open time (milliseconds) = 0
next time (milliseconds) = 0
close time (milliseconds) = 0
- Index Scan ResultSet for T4 using index T4_IX1 at read committed isolation level using share row locking chosen by the optimizer
- Number of opens = 11
- Rows seen = 5
- Rows filtered = 0
- Fetch Size = 1
- constructor time (milliseconds) = 0
- open time (milliseconds) = 0
- next time (milliseconds) = 0
- close time (milliseconds) = 0
- next time in milliseconds/row = 0
- scan information:
- Bit set of columns fetched=All
- Number of columns fetched=2
- Number of deleted rows visited=0
- Number of pages visited=3
- Number of rows qualified=0
- Number of rows visited=1
- Scan type=btree
- Tree height=3
- start position:
+ next time in milliseconds/row = 0
+ scan information:
+ Bit set of columns fetched=All
+ Number of columns fetched=2
+ Number of deleted rows visited=0
+ Number of pages visited=3
+ Number of rows qualified=0
+ Number of rows visited=1
+ Scan type=btree
+ Tree height=3
+ start position:
>= on first 1 column(s).
Ordered null semantics on the following columns:
- stop position:
+ stop position:
> on first 1 column(s).
Ordered null semantics on the following columns:
- qualifiers:
+ qualifiers:
None
ij> -- Make sure optimizer is still considering predicates for other, non-UNION
-- nodes. Here we should use the predicate to do a hash join between X0 and
@@ -6866,7 +6719,7 @@
Begin Execution Timestamp : null
End Execution Timestamp : null
Statement Execution Plan Text:
-Project-Restrict ResultSet (21):
+Project-Restrict ResultSet (19):
Number of opens = 1
Rows seen = 1
Rows filtered = 0
@@ -6888,7 +6741,7 @@
close time (milliseconds) = 0
Index Key Optimization = false
Source result set:
- Project-Restrict ResultSet (20):
+ Project-Restrict ResultSet (18):
Number of opens = 1
Rows seen = 909
Rows filtered = 0
@@ -7015,102 +6868,76 @@
next time (milliseconds) = 0
close time (milliseconds) = 0
Left result set:
- Project-Restrict ResultSet (12):
+ Index Row to Base Row ResultSet for T4:
Number of opens = 7
Rows seen = 3
- Rows filtered = 0
- restriction = false
- projection = false
+ Columns accessed from heap = {1}
constructor time (milliseconds) = 0
open time (milliseconds) = 0
next time (milliseconds) = 0
close time (milliseconds) = 0
- restriction time (milliseconds) = 0
- projection time (milliseconds) = 0
- Source result set:
- Index Row to Base Row ResultSet for T4:
+ Index Scan ResultSet for T4 using index T4_IX1 at read committed isolation level using share row locking chosen by the optimizer
Number of opens = 7
Rows seen = 3
- Columns accessed from heap = {1}
+ Rows filtered = 0
+ Fetch Size = 1
constructor time (milliseconds) = 0
open time (milliseconds) = 0
next time (milliseconds) = 0
close time (milliseconds) = 0
- Index Scan ResultSet for T4 using index T4_IX1 at read committed isolation level using share row locking chosen by the optimizer
- Number of opens = 7
- Rows seen = 3
- Rows filtered = 0
- Fetch Size = 1
- constructor time (milliseconds) = 0
- open time (milliseconds) = 0
- next time (milliseconds) = 0
- close time (milliseconds) = 0
- next time in milliseconds/row = 0
- scan information:
- Bit set of columns fetched=All
- Number of columns fetched=2
- Number of deleted rows visited=0
- Number of pages visited=3
- Number of rows qualified=0
- Number of rows visited=1
- Scan type=btree
- Tree height=3
- start position:
+ next time in milliseconds/row = 0
+ scan information:
+ Bit set of columns fetched=All
+ Number of columns fetched=2
+ Number of deleted rows visited=0
+ Number of pages visited=3
+ Number of rows qualified=0
+ Number of rows visited=1
+ Scan type=btree
+ Tree height=3
+ start position:
>= on first 1 column(s).
Ordered null semantics on the following columns:
- stop position:
+ stop position:
> on first 1 column(s).
Ordered null semantics on the following columns:
- qualifiers:
+ qualifiers:
None
Right result set:
- Project-Restrict ResultSet (15):
+ Index Row to Base Row ResultSet for T3:
Number of opens = 7
Rows seen = 6
- Rows filtered = 0
- restriction = false
- projection = false
+ Columns accessed from heap = {1}
constructor time (milliseconds) = 0
open time (milliseconds) = 0
next time (milliseconds) = 0
close time (milliseconds) = 0
- restriction time (milliseconds) = 0
- projection time (milliseconds) = 0
- Source result set:
- Index Row to Base Row ResultSet for T3:
+ Index Scan ResultSet for T3 using index T3_IX1 at read committed isolation level using share row locking chosen by the optimizer
Number of opens = 7
Rows seen = 6
- Columns accessed from heap = {1}
+ Rows filtered = 0
+ Fetch Size = 1
constructor time (milliseconds) = 0
open time (milliseconds) = 0
next time (milliseconds) = 0
close time (milliseconds) = 0
- Index Scan ResultSet for T3 using index T3_IX1 at read committed isolation level using share row locking chosen by the optimizer
- Number of opens = 7
- Rows seen = 6
- Rows filtered = 0
- Fetch Size = 1
- constructor time (milliseconds) = 0
- open time (milliseconds) = 0
- next time (milliseconds) = 0
- close time (milliseconds) = 0
- next time in milliseconds/row = 0
- scan information:
- Bit set of columns fetched=All
- Number of columns fetched=2
- Number of deleted rows visited=0
- Number of pages visited=3
- Number of rows qualified=0
- Number of rows visited=1
- Scan type=btree
- Tree height=3
- start position:
+ next time in milliseconds/row = 0
+ scan information:
+ Bit set of columns fetched=All
+ Number of columns fetched=2
+ Number of deleted rows visited=0
+ Number of pages visited=3
+ Number of rows qualified=0
+ Number of rows visited=1
+ Scan type=btree
+ Tree height=3
+ start position:
>= on first 1 column(s).
Ordered null semantics on the following columns:
- stop position:
+ stop position:
> on first 1 column(s).
Ordered null semantics on the following columns:
- qualifiers:
+ qualifiers:
None
Right result set:
Sort ResultSet:
@@ -7214,7 +7041,7 @@
Begin Execution Timestamp : null
End Execution Timestamp : null
Statement Execution Plan Text:
-Project-Restrict ResultSet (25):
+Project-Restrict ResultSet (21):
Number of opens = 1
Rows seen = 1
Rows filtered = 0
@@ -7236,7 +7063,7 @@
close time (milliseconds) = 0
Index Key Optimization = false
Source result set:
- Project-Restrict ResultSet (24):
+ Project-Restrict ResultSet (20):
Number of opens = 1
Rows seen = 9
Rows filtered = 0
@@ -7363,102 +7190,76 @@
next time (milliseconds) = 0
close time (milliseconds) = 0
Left result set:
- Project-Restrict ResultSet (12):
+ Index Row to Base Row ResultSet for T4:
Number of opens = 7
Rows seen = 3
- Rows filtered = 0
- restriction = false
- projection = false
+ Columns accessed from heap = {1}
constructor time (milliseconds) = 0
open time (milliseconds) = 0
next time (milliseconds) = 0
close time (milliseconds) = 0
- restriction time (milliseconds) = 0
- projection time (milliseconds) = 0
- Source result set:
- Index Row to Base Row ResultSet for T4:
+ Index Scan ResultSet for T4 using index T4_IX1 at read committed isolation level using share row locking chosen by the optimizer
Number of opens = 7
Rows seen = 3
- Columns accessed from heap = {1}
+ Rows filtered = 0
+ Fetch Size = 1
constructor time (milliseconds) = 0
open time (milliseconds) = 0
next time (milliseconds) = 0
close time (milliseconds) = 0
- Index Scan ResultSet for T4 using index T4_IX1 at read committed isolation level using share row locking chosen by the optimizer
- Number of opens = 7
- Rows seen = 3
- Rows filtered = 0
- Fetch Size = 1
- constructor time (milliseconds) = 0
- open time (milliseconds) = 0
- next time (milliseconds) = 0
- close time (milliseconds) = 0
- next time in milliseconds/row = 0
- scan information:
- Bit set of columns fetched=All
- Number of columns fetched=2
- Number of deleted rows visited=0
- Number of pages visited=3
- Number of rows qualified=0
- Number of rows visited=1
- Scan type=btree
- Tree height=3
- start position:
+ next time in milliseconds/row = 0
+ scan information:
+ Bit set of columns fetched=All
+ Number of columns fetched=2
+ Number of deleted rows visited=0
+ Number of pages visited=3
+ Number of rows qualified=0
+ Number of rows visited=1
+ Scan type=btree
+ Tree height=3
+ start position:
>= on first 1 column(s).
Ordered null semantics on the following columns:
- stop position:
+ stop position:
> on first 1 column(s).
Ordered null semantics on the following columns:
- qualifiers:
+ qualifiers:
None
Right result set:
- Project-Restrict ResultSet (15):
+ Index Row to Base Row ResultSet for T3:
Number of opens = 7
Rows seen = 6
- Rows filtered = 0
- restriction = false
- projection = false
+ Columns accessed from heap = {1}
constructor time (milliseconds) = 0
open time (milliseconds) = 0
next time (milliseconds) = 0
close time (milliseconds) = 0
- restriction time (milliseconds) = 0
- projection time (milliseconds) = 0
- Source result set:
- Index Row to Base Row ResultSet for T3:
+ Index Scan ResultSet for T3 using index T3_IX1 at read committed isolation level using share row locking chosen by the optimizer
Number of opens = 7
Rows seen = 6
- Columns accessed from heap = {1}
+ Rows filtered = 0
+ Fetch Size = 1
constructor time (milliseconds) = 0
open time (milliseconds) = 0
next time (milliseconds) = 0
close time (milliseconds) = 0
- Index Scan ResultSet for T3 using index T3_IX1 at read committed isolation level using share row locking chosen by the optimizer
- Number of opens = 7
- Rows seen = 6
- Rows filtered = 0
- Fetch Size = 1
- constructor time (milliseconds) = 0
- open time (milliseconds) = 0
- next time (milliseconds) = 0
- close time (milliseconds) = 0
- next time in milliseconds/row = 0
- scan information:
- Bit set of columns fetched=All
- Number of columns fetched=2
- Number of deleted rows visited=0
- Number of pages visited=3
- Number of rows qualified=0
- Number of rows visited=1
- Scan type=btree
- Tree height=3
- start position:
+ next time in milliseconds/row = 0
+ scan information:
+ Bit set of columns fetched=All
+ Number of columns fetched=2
+ Number of deleted rows visited=0
+ Number of pages visited=3
+ Number of rows qualified=0
+ Number of rows visited=1
+ Scan type=btree
+ Tree height=3
+ start position:
>= on first 1 column(s).
Ordered null semantics on the following columns:
- stop position:
+ stop position:
> on first 1 column(s).
Ordered null semantics on the following columns:
- qualifiers:
+ qualifiers:
None
Right result set:
Sort ResultSet:
@@ -7485,102 +7286,76 @@
next time (milliseconds) = 0
close time (milliseconds) = 0
Left result set:
- Project-Restrict ResultSet (20):
+ Index Row to Base Row ResultSet for T3:
Number of opens = 9
Rows seen = 6
- Rows filtered = 0
- restriction = false
- projection = false
+ Columns accessed from heap = {0}
constructor time (milliseconds) = 0
open time (milliseconds) = 0
next time (milliseconds) = 0
close time (milliseconds) = 0
- restriction time (milliseconds) = 0
- projection time (milliseconds) = 0
- Source result set:
- Index Row to Base Row ResultSet for T3:
+ Index Scan ResultSet for T3 using index T3_IX2 at read committed isolation level using share row locking chosen by the optimizer
Number of opens = 9
Rows seen = 6
- Columns accessed from heap = {0}
+ Rows filtered = 0
+ Fetch Size = 1
constructor time (milliseconds) = 0
open time (milliseconds) = 0
next time (milliseconds) = 0
close time (milliseconds) = 0
- Index Scan ResultSet for T3 using index T3_IX2 at read committed isolation level using share row locking chosen by the optimizer
- Number of opens = 9
- Rows seen = 6
- Rows filtered = 0
- Fetch Size = 1
- constructor time (milliseconds) = 0
- open time (milliseconds) = 0
- next time (milliseconds) = 0
- close time (milliseconds) = 0
- next time in milliseconds/row = 0
- scan information:
- Bit set of columns fetched=All
- Number of columns fetched=2
- Number of deleted rows visited=0
- Number of pages visited=3
- Number of rows qualified=0
- Number of rows visited=1
- Scan type=btree
- Tree height=3
- start position:
+ next time in milliseconds/row = 0
+ scan information:
+ Bit set of columns fetched=All
+ Number of columns fetched=2
+ Number of deleted rows visited=0
+ Number of pages visited=3
+ Number of rows qualified=0
+ Number of rows visited=1
+ Scan type=btree
+ Tree height=3
+ start position:
>= on first 1 column(s).
Ordered null semantics on the following columns:
- stop position:
+ stop position:
> on first 1 column(s).
Ordered null semantics on the following columns:
- qualifiers:
+ qualifiers:
None
Right result set:
- Project-Restrict ResultSet (23):
+ Index Row to Base Row ResultSet for T4:
Number of opens = 9
Rows seen = 3
- Rows filtered = 0
- restriction = false
- projection = false
+ Columns accessed from heap = {0}
constructor time (milliseconds) = 0
open time (milliseconds) = 0
next time (milliseconds) = 0
close time (milliseconds) = 0
- restriction time (milliseconds) = 0
- projection time (milliseconds) = 0
- Source result set:
- Index Row to Base Row ResultSet for T4:
+ Index Scan ResultSet for T4 using index T4_IX2 at read committed isolation level using share row locking chosen by the optimizer
Number of opens = 9
Rows seen = 3
- Columns accessed from heap = {0}
+ Rows filtered = 0
+ Fetch Size = 1
constructor time (milliseconds) = 0
open time (milliseconds) = 0
- next time (milliseconds) = 0
- close time (milliseconds) = 0
- Index Scan ResultSet for T4 using index T4_IX2 at read committed isolation level using share row locking chosen by the optimizer
- Number of opens = 9
- Rows seen = 3
- Rows filtered = 0
- Fetch Size = 1
- constructor time (milliseconds) = 0
- open time (milliseconds) = 0
- next time (milliseconds) = 0
- close time (milliseconds) = 0
- next time in milliseconds/row = 0
- scan information:
- Bit set of columns fetched=All
- Number of columns fetched=2
- Number of deleted rows visited=0
- Number of pages visited=3
- Number of rows qualified=1
- Number of rows visited=2
- Scan type=btree
- Tree height=3
- start position:
+ next time (milliseconds) = 0
+ close time (milliseconds) = 0
+ next time in milliseconds/row = 0
+ scan information:
+ Bit set of columns fetched=All
+ Number of columns fetched=2
+ Number of deleted rows visited=0
+ Number of pages visited=3
+ Number of rows qualified=1
+ Number of rows visited=2
+ Scan type=btree
+ Tree height=3
+ start position:
>= on first 1 column(s).
Ordered null semantics on the following columns:
- stop position:
+ stop position:
> on first 1 column(s).
Ordered null semantics on the following columns:
- qualifiers:
+ qualifiers:
None
ij> -- Predicates pushed from outer queries shouldn't interfere with inner
-- predicates for subqueries. Mostly checking for correct results here.
@@ -8486,7 +8261,7 @@
Begin Execution Timestamp : null
End Execution Timestamp : null
Statement Execution Plan Text:
-Project-Restrict ResultSet (17):
+Project-Restrict ResultSet (15):
Number of opens = 1
Rows seen = 1
Rows filtered = 0
@@ -8508,7 +8283,7 @@
close time (milliseconds) = 0
Index Key Optimization = false
Source result set:
- Project-Restrict ResultSet (16):
+ Project-Restrict ResultSet (14):
Number of opens = 1
Rows seen = 2
Rows filtered = 0
@@ -8521,7 +8296,7 @@
restriction time (milliseconds) = 0
projection time (milliseconds) = 0
Source result set:
- Project-Restrict ResultSet (15):
+ Project-Restrict ResultSet (13):
Number of opens = 1
Rows seen = 2
Rows filtered = 0
@@ -8637,101 +8412,75 @@
next time (milliseconds) = 0
close time (milliseconds) = 0
Left result set:
- Project-Restrict ResultSet (11):
+ Index Row to Base Row ResultSet for T3:
Number of opens = 7
Rows seen = 2
- Rows filtered = 0
- restriction = false
- projection = false
+ Columns accessed from heap = {0}
constructor time (milliseconds) = 0
open time (milliseconds) = 0
next time (milliseconds) = 0
close time (milliseconds) = 0
- restriction time (milliseconds) = 0
- projection time (milliseconds) = 0
- Source result set:
- Index Row to Base Row ResultSet for T3:
+ Index Scan ResultSet for T3 using index T3_IX2 at read committed isolation level using share row locking chosen by the optimizer
Number of opens = 7
Rows seen = 2
- Columns accessed from heap = {0}
+ Rows filtered = 0
+ Fetch Size = 1
constructor time (milliseconds) = 0
open time (milliseconds) = 0
next time (milliseconds) = 0
close time (milliseconds) = 0
- Index Scan ResultSet for T3 using index T3_IX2 at read committed isolation level using share row locking chosen by the optimizer
- Number of opens = 7
- Rows seen = 2
- Rows filtered = 0
- Fetch Size = 1
- constructor time (milliseconds) = 0
- open time (milliseconds) = 0
- next time (milliseconds) = 0
- close time (milliseconds) = 0
- next time in milliseconds/row = 0
- scan information:
- Bit set of columns fetched=All
- Number of columns fetched=2
- Number of deleted rows visited=0
- Number of pages visited=3
- Number of rows qualified=0
- Number of rows visited=1
- Scan type=btree
- Tree height=3
- start position:
+ next time in milliseconds/row = 0
+ scan information:
+ Bit set of columns fetched=All
+ Number of columns fetched=2
+ Number of deleted rows visited=0
+ Number of pages visited=3
+ Number of rows qualified=0
+ Number of rows visited=1
+ Scan type=btree
+ Tree height=3
+ start position:
>= on first 1 column(s).
Ordered null semantics on the following columns:
- stop position:
+ stop position:
> on first 1 column(s).
Ordered null semantics on the following columns:
[... 935 lines stripped ...]