public int getPrecision()

in src/main/java/com/amazon/redshift/jdbc/TypeInfoCache.java [668:740]
55 lines of code
31 McCabe index (conditional complexity)

  public int getPrecision(int oid, int typmod) {
    oid = convertArrayToBaseOid(oid);
    switch (oid) {
      case Oid.INT2:
        return 5;

      case Oid.OID:
      case Oid.INT4:
        return 10;

      case Oid.INT8:
      case Oid.XIDOID:
        return 19;

      case Oid.FLOAT4:
        // For float4 and float8, we can normally only get 6 and 15
        // significant digits out, but extra_float_digits may raise
        // that number by up to two digits.
        return 8;

      case Oid.FLOAT8:
        return 17;

      case Oid.NUMERIC:
        if (typmod == -1) {
          return 0;
        }
        return ((typmod - 4) & 0xFFFF0000) >> 16;

      case Oid.CHAR:
      case Oid.BOOL:
        return 1;

      case Oid.BPCHAR:
      case Oid.VARCHAR:
      case Oid.SUPER:
      case Oid.VARBYTE:
      case Oid.TIDOID:
      case Oid.ABSTIMEOID:
      	
        if (typmod == -1) {
          return unknownLength;
        }
        return typmod - 4;

      // datetime types get the
      // "length in characters of the String representation"
      case Oid.DATE:
      case Oid.TIME:
      case Oid.TIMETZ:
      case Oid.INTERVAL:
      case Oid.TIMESTAMP:
      case Oid.TIMESTAMPTZ:
        return getDisplaySize(oid, typmod);

      case Oid.BIT:
        return typmod;

      case Oid.VARBIT:
        if (typmod == -1) {
          return unknownLength;
        }
        return typmod;

      case Oid.NAME:
      	return 64;
        
      case Oid.TEXT:
      case Oid.BYTEA:
      default:
        return unknownLength;
    }
  }