Tracking: Which TPC-H queries can be run?

[jurplel]

Related: #11, #68, #127

Ran with no datafusion optimizations (all of our own optimizations), on the subquery unnesting branch (bowad/subquery-unnest)

Tests were done for whether or not the query works with perfbench. Query result may be incorrect, but it compiles and runs

• Q1
  • Broken in same way as [previously found issue](https://github.com/cmu-db/optd/issues/
  • perftest issue?
• Q2
  • Depends on more complete subquery unnesting ruleset
• Q3
• Q4
  • Depends on subquery unnesting EXISTS support
  • May depend also on left semi join
• Q5
• Q6
• Q7
• Q8
• Q9
• Q10
• Q11
  • Depends on more complete subquery unnesting
• Q12
• Q13
• Q14
• Q15
  • Error: db error: ERROR: cannot insert multiple commands into a prepared statement
  • ??? maybe test framework bug
• Q16
  • Depends on subquery unnesting IN support
  • May depend also on left anti join
• Q17
  • Depends on more complete subquery unnesting ruleset
• Q18
  • Depends on subquery unnesting IN support
  • May depend also on left semi join
• Q19
• Q20
  • Depends on subquery unnesting IN support
  • May depend also on left semi join
• Q21
  • Depends on subquery unnesting EXISTS support
  • May depend also on left semi and left anti join
• Q22
  • Depends on subquery unnesting IN support
  • May depend also on left anti join