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feature: add PRAGMA cipher_page_size #17

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feature: add PRAGMA cipher_page_size #17

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20 changes: 20 additions & 0 deletions sqlite3.go
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Original file line number Diff line number Diff line change
Expand Up @@ -1029,6 +1029,7 @@ func (d *SQLiteDriver) Open(dsn string) (driver.Conn, error) {

// PRAGMA's
encryptKey := ""
cipher_page_size := 0
cipher_compatibility := -1
autoVacuum := -1
busyTimeout := 5000
Expand Down Expand Up @@ -1056,6 +1057,15 @@ func (d *SQLiteDriver) Open(dsn string) (driver.Conn, error) {
encryptKey = val
}

// _cipher_page_size
if val := params.Get("_cipher_page_size"); val != "" {
size, err := strconv.ParseInt(val, 10, 64)
if err != nil {
return nil, fmt.Errorf("Invalid _cipher_page_size: %v: %v", val, err)
}
cipher_page_size = int(size)
}

// _cipher_compatibility
if val := params.Get("_cipher_compatibility"); val != "" {
iv, err := strconv.ParseInt(val, 10, 64)
Expand Down Expand Up @@ -1429,6 +1439,16 @@ func (d *SQLiteDriver) Open(dsn string) (driver.Conn, error) {
}
}

// Cipher Page Size
// The cipher_page_size pragma should be called immediately after if provided
if cipher_page_size > 0 {
err := exec(fmt.Sprintf("PRAGMA cipher_page_size = %d;", cipher_page_size))
if err != nil {
C.sqlite3_close_v2(db)
return nil, err
}
}

// Cipher Compatibility
// The cipher_compatibility pragma should be called immediately after if provided
if cipher_compatibility > -1 {
Expand Down