Pablu/go-sqlite3
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move reset/clear into putCachedStmt and always finalize on failure

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This avoids an unnecessary reset when the cache is full, guarantees
a statement cannot enter the cache without being reset/cleared, and
fixes a leak where sqlite3_finalize was not called when reset failed.
This commit is contained in:
Yasuhiro Matsumoto
2026-04-08 13:42:26 +09:00
parent 0e58fa4d72
commit 867dcbfbdc
1 changed files with 6 additions and 10 deletions
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14
sqlite3.go
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@@ -1942,6 +1942,10 @@ func (c *SQLiteConn) putCachedStmt(s *SQLiteStmt) bool {
if c.db == nil || c.stmtCacheCount >= c.stmtCacheSize {
return false
}
rv := C._sqlite3_reset_clear(s.s)
if rv != C.SQLITE_ROW && rv != C.SQLITE_OK && rv != C.SQLITE_DONE {
return false
}
c.stmtCache[s.cacheKey] = append(c.stmtCache[s.cacheKey], s)
c.stmtCacheCount++
return true
@@ -2116,17 +2120,9 @@ func (s *SQLiteStmt) Close() error {
if !conn.dbConnOpen() {
return errors.New("sqlite statement with already closed database connection")
}
if s.cacheKey != "" {
rv := C._sqlite3_reset_clear(stmt)
if rv != C.SQLITE_ROW && rv != C.SQLITE_OK && rv != C.SQLITE_DONE {
s.s = nil
s.c = nil
return conn.lastError()
}
if conn.putCachedStmt(s) {
if s.cacheKey != "" && conn.putCachedStmt(s) {
return nil
}
}
s.s = nil
s.c = nil
rv := C.sqlite3_finalize(stmt)