diff options
| author |  Ziv Scully <ziv@mit.edu> | 2015-07-07 00:07:24 -0700 |
|---|---|---|
| committer | Ziv Scully <ziv@mit.edu> | 2015-07-07 00:07:24 -0700 |
| commit | 03b7950e3639899de788cac8824a0e7f4be8a0bd (patch) | |
| tree | 3863c03ffd1f8d9c22e67f009292ede55f64d4f7 /src/sql.sml | |
| parent | f9021ccf1a76dd7e570061849acdec515b5be790 (diff) | |
Add limited support for parsing SQL arithmetic.
Diffstat (limited to 'src/sql.sml')
| -rw-r--r-- | src/sql.sml | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/src/sql.sml b/src/sql.sml index 959575e9..27894e3f 100644 --- a/src/sql.sml +++ b/src/sql.sml @@ -325,6 +325,11 @@ val funcName = altL [constK "COUNT", constK "SUM", constK "AVG"] +fun arithmetic pExp = follow (const "(") + (follow pExp + (follow (altL (map const [" + ", " - ", " * ", " / "])) + (follow pExp (const ")")))) + val unmodeled = altL [const "COUNT(*)", const "CURRENT_TIMESTAMP"] @@ -340,6 +345,7 @@ fun sqexp chs = wrap uw_ident Computed, wrap known SqKnown, wrap func SqFunc, + wrap (arithmetic sqexp) (fn _ => Unmodeled), wrap unmodeled (fn () => Unmodeled), wrap (if !sqlcacheMode then sqlifySqlcache else sqlify) Inj, wrap (follow (const "COALESCE(") (follow sqexp (follow (const ",") |