Files
codeql/python/ql/lib/semmle/python/dataflow
Tom Hvitved 4099d1318f Data flow: Tweak two join-orders
Before
```
[2022-04-06 13:19:29] (96s) Tuple counts for DataFlowImpl2::Stage1::revFlowConsCand#7ad53399#ff/2@i14#aa10f2wi after 4.4s:
                      10681    ~0%     {2} r1 = SCAN DataFlowImpl2::Stage1::revFlow#7ad53399#fff#prev_delta OUTPUT In.0, In.2 'config'
                      982      ~1%     {3} r2 = JOIN r1 WITH DataFlowImpl2::readSet#7ad53399#ffff_2301#join_rhs ON FIRST 2 OUTPUT Rhs.3, Lhs.1 'config', Rhs.2
                      83691528 ~2%     {3} r3 = JOIN r2 WITH DataFlowPublic::ContentSet::getAReadContent#dispred#f0820431#ff ON FIRST 1 OUTPUT Lhs.1 'config', Lhs.2, Rhs.1 'c'
                      83581763 ~2%     {3} r4 = r3 AND NOT DataFlowImpl2::Stage1::revFlowConsCand#7ad53399#ff#prev(Lhs.2 'c', Lhs.0 'config')
                      83581763 ~0%     {3} r5 = SCAN r4 OUTPUT In.2 'c', In.0 'config', In.1
                      0        ~0%     {3} r6 = JOIN r5 WITH DataFlowImpl2::Stage1::fwdFlowConsCand#7ad53399#ff ON FIRST 2 OUTPUT Lhs.2, Lhs.1 'config', Lhs.0 'c'
                      0        ~0%     {2} r7 = JOIN r6 WITH DataFlowImpl2::Stage1::fwdFlow#7ad53399#2#fff_02#join_rhs ON FIRST 2 OUTPUT Lhs.2 'c', Lhs.1 'config'
                                       return r7
```

After
```
[2022-04-06 13:44:38] (6s) Tuple counts for DataFlowImpl2::Stage1::revFlowConsCand#7ad53399#ff/2@i14#5abbf2wn after 6ms:
                      10681  ~0%     {2} r1 = SCAN DataFlowImpl2::Stage1::revFlow#7ad53399#fff#prev_delta OUTPUT In.0, In.2 'config'
                      982    ~1%     {3} r2 = JOIN r1 WITH DataFlowImpl2::readSet#7ad53399#ffff_2301#join_rhs ON FIRST 2 OUTPUT Rhs.3, Lhs.1 'config', Rhs.2
                      109765 ~0%     {3} r3 = JOIN r2 WITH DataFlowImpl2::Stage1::fwdFlowConsCandSet#7ad53399#fff#reorder_0_2_1 ON FIRST 2 OUTPUT Lhs.1 'config', Lhs.2, Rhs.2 'c'
                      0      ~0%     {3} r4 = r3 AND NOT DataFlowImpl2::Stage1::revFlowConsCand#7ad53399#ff#prev(Lhs.2 'c', Lhs.0 'config')
                      0      ~0%     {3} r5 = SCAN r4 OUTPUT In.1, In.0 'config', In.2 'c'
                      0      ~0%     {2} r6 = JOIN r5 WITH DataFlowImpl2::Stage1::fwdFlow#7ad53399#2#fff_02#join_rhs ON FIRST 2 OUTPUT Lhs.2 'c', Lhs.1 'config'
                                     return r6
```
2022-04-06 13:52:30 +02:00
..
2022-04-06 13:52:30 +02:00
2022-03-14 13:03:31 +01:00