notes.txt

## MAL operators and their arguments (not 100% complete)
## C or X are the prefix of the MAL variables
## For the complete list, see mal_instr.py

operator        args
projection      C   X
projection      X   C
projection      X   X
subavg          X   X   C     bool    bool
subsum          X   X   C     bool    bool
subgroupdone    X   X
dbl             int X
select          X   C   val   X=val   bool  bool  bool
select          X   C   bool  bool    bool  bool  bool
projectionpath  X   X   C     C       X
projectionpath  C   C   X
thetaselect     X   C   val   str(op)
thetaselect     X   val str(op)
projectdelta    C   X   X     X
join            X   C   val   val     bool  val
join            X   X   val   val     bool  val
bind            X   str str   str     int   int   int
thetajoin       X   X   val   val     int   bool  val
difference      X   X   val   val     bool  val
groupdone       X
likeselect      X   val str   str     bool
like            X   str
append          X   X   bool
intersect       X   X   val val bool  val
resultSet       X   X   X   X   X     X   X   X   X
substring       X   val val
<               X   X
>               X   X
*               X   X