Class PGbytea

java.lang.Object
org.postgresql.util.PGbytea

public class PGbytea extends Object
Converts to and from the postgresql bytea datatype used by the backend.
  • Constructor Details

    • PGbytea

      public PGbytea()
  • Method Details

    • toBytes

      public static byte[] toBytes(byte[] s) throws SQLException
      Throws:
      SQLException
    • toPGString

      public static String toPGString(byte[] buf)
    • appendHexString

      public static void appendHexString(StringBuilder sb, byte[] buf, int offset, int length)
      Appends given byte array as hex string. See HexEncodingBenchmark for the benchmark.
      Parameters:
      sb - output builder
      buf - buffer to append
      offset - offset within the buffer
      length - the length of sequence to append
    • toPGLiteral

      @Deprecated public static String toPGLiteral(Object value) throws IOException
      Deprecated.
      prefer toPGLiteral(Object, SqlSerializationContext) to clarify the behaviour regarding InputStream objects
      Formats input object as bytea literal like '\xcafebabe'::bytea. The following inputs are supported: byte[], StreamWrapper, and ByteStreamWriter.
      Parameters:
      value - input value to format
      Returns:
      formatted value
      Throws:
      IOException - in case there's underflow in the input value
    • toPGLiteral

      public static String toPGLiteral(Object value, SqlSerializationContext context) throws IOException
      Formats input object as bytea literal like '\xcafebabe'::bytea. The following inputs are supported: byte[], StreamWrapper, and ByteStreamWriter.
      Parameters:
      value - input value to format
      context - specifies configuration for converting the parameters to string
      Returns:
      formatted value
      Throws:
      IOException - in case there's underflow in the input value