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package engines |
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import ( |
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"database/sql" |
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"database/sql/driver" |
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"fmt" |
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adapter "github.com/cdleo/go-sql-adapter" |
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"github.com/cdleo/go-commons/sqlcommons" |
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"github.com/mattn/go-sqlite3" |
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) |
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type sqlite3Conn struct { |
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url string |
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} |
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const sqlite3_DriverName = "sqlite3-adapter" |
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func NewSqlite3Connector(url string) adapter.SQLEngineConnector { |
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return &sqlite3Conn{ |
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url, |
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} |
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} |
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func (s *sqlite3Conn) Open() (*sql.DB, error) { |
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return sql.Open(sqlite3_DriverName, s.url) |
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} |
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func (s *sqlite3Conn) DriverName() string { |
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return sqlite3_DriverName |
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} |
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func (s *sqlite3Conn) Driver() driver.Driver { |
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return &sqlite3.SQLiteDriver{} |
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} |
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func (s *sqlite3Conn) ErrorHandler(err error) error { |
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if err == nil { |
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return nil |
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} |
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if sqliteError, ok := err.(sqlite3.Error); ok { |
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if sqliteError.Code == 18 { //SQLITE_TOOBIG |
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return sqlcommons.ValueTooLargeForColumn |
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} else if sqliteError.Code == 19 { //SQLITE_CONSTRAINT |
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if sqliteError.ExtendedCode == 787 || /*SQLITE_CONSTRAINT_FOREIGNKEY*/ |
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sqliteError.ExtendedCode == 1555 || /*SQLITE_CONSTRAINT_PRIMARYKEY*/ |
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sqliteError.ExtendedCode == 1811 /*SQLITE_CONSTRAINT_TRIGGER*/ { |
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return sqlcommons.IntegrityConstraintViolation |
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} else if sqliteError.ExtendedCode == 1299 { //SQLITE_CONSTRAINT_NOTNULL |
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return sqlcommons.CannotSetNullColumn |
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} else if sqliteError.ExtendedCode == 2067 { //SQLITE_CONSTRAINT_UNIQUE |
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return sqlcommons.UniqueConstraintViolation |
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} |
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} else if sqliteError.Code == 25 { //SQLITE_RANGE |
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return sqlcommons.InvalidNumericValue |
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} |
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return fmt.Errorf("Unhandled SQLite3 error. Code:[%s] Extended:[%s] Desc:[%s]", sqliteError.Code, sqliteError.ExtendedCode, sqliteError.Error()) |
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} else { |
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return err |
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} |
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} |
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cdleo /
go-sql-adapter
