feat: implement InsertQuery.Ignore()#152
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Adds the .Ignore() method to InsertQuery, providing a unified API for ignoring conflict errors across supported dialects: - MySQL: renders INSERT IGNORE - SQLite: renders INSERT OR IGNORE - PostgreSQL: renders ON CONFLICT DO NOTHING Also refactors targetless OnConflict().DoNothing() to use these native "ignore" syntaxes for MySQL and SQLite, and enables targetless ON CONFLICT DO NOTHING for PostgreSQL. Full test coverage added for all dialects and INSERT variants (values, models, and subqueries). Co-authored-by: cungminh2710 <8063319+cungminh2710@users.noreply.github.com>
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Greptile SummaryThis PR implements
Confidence Score: 3/5The core Two distinct defects in the changed code: (1) pkg/rain/query_insert.go — specifically
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| Filename | Overview |
|---|---|
| pkg/rain/query_insert.go | Adds Ignore() method and dialect-aware SQL generation for INSERT IGNORE/OR IGNORE/ON CONFLICT DO NOTHING; two logic issues: Ignore() silently discards a co-configured DoUpdateSet clause, and the MySQL targetless DoNothing optimization changes error-suppression semantics. |
| pkg/rain/query_insert_test.go | Adds comprehensive tests for Ignore(), targetless OnConflict().DoNothing(), and INSERT...SELECT with Ignore() across dialects; missing a SQLite INSERT...SELECT + Ignore() sub-case. |
Flowchart
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flowchart TD
A[InsertQuery.compile] --> B{selectQuery set?}
B -- yes --> C[writeSelectSQL]
B -- no --> D[writeValuesSQL]
C --> E[writeInsertInto]
D --> E
E --> F{useIgnore?}
F -- mysql --> G[INSERT IGNORE INTO]
F -- sqlite --> H[INSERT OR IGNORE INTO]
F -- no --> I[INSERT INTO]
C --> J[writeConflictClause]
D --> J
J --> K{ignore=true AND postgres?}
K -- yes --> L[ON CONFLICT DO NOTHING]
K -- no --> M{conflict == nil?}
M -- yes --> N[return nil]
M -- no --> O{mysql?}
O -- useIgnore --> P[return nil - skip clause]
O -- DoUpdateSet --> Q[ON DUPLICATE KEY UPDATE ...]
O -- no --> R{sqlite AND useIgnore?}
R -- yes --> S[return nil - skip clause]
R -- no --> T{columns/constraint set?}
T -- yes --> U[ON CONFLICT col DO ...]
T -- no AND doNothing --> V[ON CONFLICT DO NOTHING]
T -- no AND doUpdateSet --> W[error: target required]
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flowchart TD
A[InsertQuery.compile] --> B{selectQuery set?}
B -- yes --> C[writeSelectSQL]
B -- no --> D[writeValuesSQL]
C --> E[writeInsertInto]
D --> E
E --> F{useIgnore?}
F -- mysql --> G[INSERT IGNORE INTO]
F -- sqlite --> H[INSERT OR IGNORE INTO]
F -- no --> I[INSERT INTO]
C --> J[writeConflictClause]
D --> J
J --> K{ignore=true AND postgres?}
K -- yes --> L[ON CONFLICT DO NOTHING]
K -- no --> M{conflict == nil?}
M -- yes --> N[return nil]
M -- no --> O{mysql?}
O -- useIgnore --> P[return nil - skip clause]
O -- DoUpdateSet --> Q[ON DUPLICATE KEY UPDATE ...]
O -- no --> R{sqlite AND useIgnore?}
R -- yes --> S[return nil - skip clause]
R -- no --> T{columns/constraint set?}
T -- yes --> U[ON CONFLICT col DO ...]
T -- no AND doNothing --> V[ON CONFLICT DO NOTHING]
T -- no AND doUpdateSet --> W[error: target required]
Prompt To Fix All With AI
Fix the following 3 code review issues. Work through them one at a time, proposing concise fixes.
---
### Issue 1 of 3
pkg/rain/query_insert.go:803-824
**`Ignore()` silently discards an explicit `OnConflict(...).DoUpdateSet(...)` clause**
When `q.ignore = true`, `writeConflictClause` returns early for every dialect — Postgres at line 804, MySQL via `useIgnore()` at line 821, SQLite via `useIgnore()` at line 863 — before any DoUpdateSet logic is reached. A user who calls `.Ignore().OnConflict(col).DoUpdateSet(other)` (or the reverse order) gets `INSERT IGNORE / ON CONFLICT DO NOTHING` with no update applied and no error raised. This silently drops an explicit upsert intent and will produce wrong data in any caller expecting the update to fire.
### Issue 2 of 3
pkg/rain/query_insert.go:337-348
**MySQL `OnConflict().DoNothing()` now suppresses more errors than before**
The previous `ON DUPLICATE KEY UPDATE id = id` pattern was precise: it only handled duplicate-key violations and surfaced all other errors (data truncation, foreign-key failures, invalid column values, etc.) normally. `INSERT IGNORE INTO` is broader — MySQL converts all those error classes to warnings and continues. Existing callers relying on MySQL error propagation for non-duplicate-key failures on targetless `OnConflict().DoNothing()` will silently swallow errors they were previously seeing. This is a semantic breaking change even though the test expectation was updated to match.
### Issue 3 of 3
pkg/rain/query_insert_test.go:390-416
**`TestInsertSelectIgnoreToSQL` is missing a SQLite sub-case**
`TestInsertSelectIgnoreToSQL` covers MySQL and Postgres INSERT...SELECT with `Ignore()` but has no SQLite sub-test. For SQLite with `q.ignore = true` and a SELECT source, `q.conflict` is nil so `withSQLiteInsertSelectConflictWhere()` is correctly skipped, but this path is unverified. Adding a test that confirms `INSERT OR IGNORE INTO "users" ("email") SELECT ...` for SQLite would lock in the expected output and prevent regressions.
Reviews (1): Last reviewed commit: "feat(rain): implement dialect-aware Inse..." | Re-trigger Greptile
![greptile-apps[bot]](https://avatars.githubusercontent.com/in/867647?s=60&v=4){kind=small}
| @@ -777,6 +818,9 @@ func (q *InsertQuery) writeConflictClause(ctx *compileContext) error { | |||
| } | |||
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| if q.dialect.Name() == "mysql" { | |||
| if q.useIgnore() { | |||
| return nil | |||
| } | |||
| if len(q.conflict.columns) > 0 || q.conflict.constraint != "" || len(q.conflict.targetWhere) > 0 { | |||
There was a problem hiding this comment.
Ignore() silently discards an explicit OnConflict(...).DoUpdateSet(...) clause
When q.ignore = true, writeConflictClause returns early for every dialect — Postgres at line 804, MySQL via useIgnore() at line 821, SQLite via useIgnore() at line 863 — before any DoUpdateSet logic is reached. A user who calls .Ignore().OnConflict(col).DoUpdateSet(other) (or the reverse order) gets INSERT IGNORE / ON CONFLICT DO NOTHING with no update applied and no error raised. This silently drops an explicit upsert intent and will produce wrong data in any caller expecting the update to fire.
Prompt To Fix With AI
This is a comment left during a code review.
Path: pkg/rain/query_insert.go
Line: 803-824
Comment:
**`Ignore()` silently discards an explicit `OnConflict(...).DoUpdateSet(...)` clause**
When `q.ignore = true`, `writeConflictClause` returns early for every dialect — Postgres at line 804, MySQL via `useIgnore()` at line 821, SQLite via `useIgnore()` at line 863 — before any DoUpdateSet logic is reached. A user who calls `.Ignore().OnConflict(col).DoUpdateSet(other)` (or the reverse order) gets `INSERT IGNORE / ON CONFLICT DO NOTHING` with no update applied and no error raised. This silently drops an explicit upsert intent and will produce wrong data in any caller expecting the update to fire.
How can I resolve this? If you propose a fix, please make it concise.
| func (q *InsertQuery) useIgnore() bool { | ||
| if q.ignore { | ||
| return true | ||
| } | ||
| if q.conflict == nil || q.conflict.action != insertConflictActionDoNothing { | ||
| return false | ||
| } | ||
| // For MySQL and SQLite, OnConflict().DoNothing() with no targets is | ||
| // equivalent to INSERT [OR] IGNORE. | ||
| return (q.dialect.Name() == "mysql" || q.dialect.Name() == "sqlite") && | ||
| len(q.conflict.columns) == 0 && q.conflict.constraint == "" | ||
| } |
There was a problem hiding this comment.
OnConflict().DoNothing() now suppresses more errors than before
The previous ON DUPLICATE KEY UPDATE id = id pattern was precise: it only handled duplicate-key violations and surfaced all other errors (data truncation, foreign-key failures, invalid column values, etc.) normally. INSERT IGNORE INTO is broader — MySQL converts all those error classes to warnings and continues. Existing callers relying on MySQL error propagation for non-duplicate-key failures on targetless OnConflict().DoNothing() will silently swallow errors they were previously seeing. This is a semantic breaking change even though the test expectation was updated to match.
Prompt To Fix With AI
This is a comment left during a code review.
Path: pkg/rain/query_insert.go
Line: 337-348
Comment:
**MySQL `OnConflict().DoNothing()` now suppresses more errors than before**
The previous `ON DUPLICATE KEY UPDATE id = id` pattern was precise: it only handled duplicate-key violations and surfaced all other errors (data truncation, foreign-key failures, invalid column values, etc.) normally. `INSERT IGNORE INTO` is broader — MySQL converts all those error classes to warnings and continues. Existing callers relying on MySQL error propagation for non-duplicate-key failures on targetless `OnConflict().DoNothing()` will silently swallow errors they were previously seeing. This is a semantic breaking change even though the test expectation was updated to match.
How can I resolve this? If you propose a fix, please make it concise.| t.Parallel() | ||
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| users, _ := defineTables() | ||
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| t.Run("mysql insert ignore select", func(t *testing.T) { | ||
| db, _ := rain.OpenDialect("mysql") | ||
| subquery := db.Select().Table(users).Column(users.Email) | ||
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| sqlText, _, err := db.Insert(). | ||
| Table(users). | ||
| Columns(users.Email). | ||
| Select(subquery). | ||
| Ignore(). | ||
| ToSQL() | ||
| if err != nil { | ||
| t.Fatalf("ToSQL returned error: %v", err) | ||
| } | ||
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| wantSQL := "INSERT IGNORE INTO `users` (`email`) SELECT `users`.`email` FROM `users`" | ||
| if sqlText != wantSQL { | ||
| t.Fatalf("unexpected SQL:\nwant: %s\ngot: %s", wantSQL, sqlText) | ||
| } | ||
| }) | ||
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| t.Run("postgres insert ignore select", func(t *testing.T) { | ||
| db, _ := rain.OpenDialect("postgres") | ||
| subquery := db.Select().Table(users).Column(users.Email) |
There was a problem hiding this comment.
TestInsertSelectIgnoreToSQL is missing a SQLite sub-case
TestInsertSelectIgnoreToSQL covers MySQL and Postgres INSERT...SELECT with Ignore() but has no SQLite sub-test. For SQLite with q.ignore = true and a SELECT source, q.conflict is nil so withSQLiteInsertSelectConflictWhere() is correctly skipped, but this path is unverified. Adding a test that confirms INSERT OR IGNORE INTO "users" ("email") SELECT ... for SQLite would lock in the expected output and prevent regressions.
Prompt To Fix With AI
This is a comment left during a code review.
Path: pkg/rain/query_insert_test.go
Line: 390-416
Comment:
**`TestInsertSelectIgnoreToSQL` is missing a SQLite sub-case**
`TestInsertSelectIgnoreToSQL` covers MySQL and Postgres INSERT...SELECT with `Ignore()` but has no SQLite sub-test. For SQLite with `q.ignore = true` and a SELECT source, `q.conflict` is nil so `withSQLiteInsertSelectConflictWhere()` is correctly skipped, but this path is unverified. Adding a test that confirms `INSERT OR IGNORE INTO "users" ("email") SELECT ...` for SQLite would lock in the expected output and prevent regressions.
How can I resolve this? If you propose a fix, please make it concise.Note: If this suggestion doesn't match your team's coding style, reply to this and let me know. I'll remember it for next time!
1 participant
This PR implements the
Ignore()method for Rain ORM'sInsertQuery, bringing it closer to Drizzle ORM's feature parity.Key changes:
Ignore()method toInsertQuery.INSERT IGNORE INTO ...INSERT OR IGNORE INTO ...INSERT INTO ... ON CONFLICT DO NOTHINGOnConflict().DoNothing()to use the more idiomaticIGNOREsyntax.ON CONFLICT DO NOTHING.writeValuesSQLandwriteSelectSQLto supportIGNOREbehavior for all data sources.pkg/rain/query_insert_test.go.Verified with
make testand manually inspected generated SQL for all dialects.PR created automatically by Jules for task 7311798499907207025 started by @cungminh2710