feat(parser): structure MySQL DROP INDEX ... ON table (incl. db-qualified target) - #61
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…fied target)
MySQL `DROP INDEX idx ON tbl` degraded to a raw Command because the port had no
exp.OnProperty node for the ON-clause target, so parseDrop's ON branch fell back
to Command. This adds the OnProperty node and parses the ON target as a table:
DROP INDEX idx ON users -> Drop{kind:INDEX, this:Table(idx), cluster:OnProperty(Table(users))}
DROP INDEX idx ON db.users -> ... cluster:OnProperty(Table(users, schema:db))
Pinned upstream v30.12.0 structures the unqualified form (this closes that port
gap), but its shared _parse_on_property parses only a single id, so it parse-errors
the db-qualified `ON db.users` — which real MySQL 8.0.46 accepts. Parsing a full
table target here (scoped to DROP; CREATE/ALTER keep upstream's ON handling) matches
the DB and preserves the qualifier for the consumer's INDEX-DDL grant. The qualified
form is registered in testdata/upstream_extensions.jsonl with a tripwire; see
DEVIATIONS §1.16.
Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01Bi9bXQhVpzEYuHoZrie9NF
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MySQL
DROP INDEX idx ON tbldegraded to a rawCommand(the port had noexp.OnPropertynode for the ON-clause target), so the proxy-monster analyzer over-denied a legitimate table-DDL statement. This adds theOnPropertynode and parses the ON target as a table:DROP INDEX idx ON users→Drop{kind:INDEX, this:Table(idx), cluster:OnProperty(Table(users))}DROP INDEX idx ON db.users→… cluster:OnProperty(Table(users, schema:db))Two behaviors, one entry (DEVIATIONS §1.16):
Drop{cluster:OnProperty}; the port just lacked the node._parse_on_propertyparses only a single id, so it parse-errorsON db.usersat the dot — but real MySQL 8.0.46 accepts it (verified:DROP INDEX idx_email ON zzq.usersexecutes). Parsing a full table target matches the DB and preserves the qualifier for the consumer's grant. Registered intestdata/upstream_extensions.jsonl(mysql-drop-index-on-qualified) with a tripwire.Trap: the fix is scoped to
parseDrop— the sharedparseOnPropertyis left unchanged (itsON <id>→OnPropertyhalf is the ClickHouseON CLUSTERform, out of this port's base+MySQL+Postgres scope), soCREATE/ALTERare untouched. The OnProperty target is aTable(not upstream's bareIdentifier) so it can carry the db qualifier — an output-identical AST-shape difference for the unqualified form.Verification:
go test ./...green; mysql identity corpus 424→425; oracle-checked on MySQL 8.0.46. Reviewed by Codex + Sol (Grok's leg aborted on upstream API instability); Codex caught the db-qualified case, now fixed.🤖 Generated with Claude Code
https://claude.ai/code/session_01Bi9bXQhVpzEYuHoZrie9NF