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Support PRAGMA key #1350

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Support PRAGMA key #1350

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ddd9908
support pragma key on open db
oporat Sep 1, 2025
5e563d4
support pragma key on open db
oporat Sep 1, 2025
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34 changes: 34 additions & 0 deletions sqlite3.go
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Original file line number Diff line number Diff line change
Expand Up @@ -1109,6 +1109,8 @@ func (d *SQLiteDriver) Open(dsn string) (driver.Conn, error) {
writableSchema := -1
vfsName := ""
var cacheSize *int64
encryptionKey := ""
cipherPageSize := -1

pos := strings.IndexRune(dsn, '?')
if pos >= 1 {
Expand Down Expand Up @@ -1196,6 +1198,19 @@ func (d *SQLiteDriver) Open(dsn string) (driver.Conn, error) {
return nil, fmt.Errorf("Invalid _auto_vacuum: %v, expecting value of '0 NONE 1 FULL 2 INCREMENTAL'", val)
}
}
// _pragma_key
if val := params.Get("_pragma_key"); val != "" {
encryptionKey = val
}

// _pragma_cipher_page_size
if val := params.Get("_pragma_cipher_page_size"); val != "" {
pageSize, err := strconv.Atoi(val)
if err != nil {
return nil, fmt.Errorf("sqlite3: _pragma_cipher_page_size cannot be parsed: %s", err)
}
cipherPageSize = pageSize
}

// Busy Timeout (_busy_timeout)
//
Expand Down Expand Up @@ -1492,6 +1507,25 @@ func (d *SQLiteDriver) Open(dsn string) (driver.Conn, error) {
C.sqlite3_close_v2(db)
return nil, err
}

// _pragma_key
if encryptionKey != "" {
query := fmt.Sprintf("PRAGMA key = \"%s\";", pragmaKey)
if err := exec(query); err != nil {
C.sqlite3_close_v2(db)
return nil, err
}
}

// _pragma_cipher_page_size
if cipherPageSize != -1 {
query := fmt.Sprintf("PRAGMA cipher_page_size = %d;",
pragmaCipherPageSize)
if err := exec(query); err != nil {
C.sqlite3_close_v2(db)
return nil, err
}
}

// USER AUTHENTICATION
//
Expand Down