Examples of com.impossibl.postgres.types.Type

com.impossibl.postgres.types.Type
Represents a single type in the databases known types table. Type is the base of a hierarchy that mirrors the kinds of types they represent. NOTE: A Type, or one of its derived types, represents a single entry in the "pg_type" table. @author kdubb


  private void coerceParameters() throws SQLException {


    for (int c = 0, sz = parameterTypes.size(); c < sz; ++c) {


      Type parameterType = parameterTypes.get(c);
      Object parameterValue = parameterValues.get(c);


      if (parameterValue != null) {


        Class<?> targetType = mapSetType(parameterType);

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    if (defaultTypes == null)
      return list;


    for (int c = 0, sz = list.size(); c < sz; ++c) {


      Type type = list.get(c);
      if (type == null)
        type = defaultTypes.get(c);


      list.set(c, type);
    }

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    if (sourceTypes == null)
      return list;


    for (int c = 0, sz = list.size(); c < sz; ++c) {


      Type type = sourceTypes.get(c);
      if (type != null) {
        list.set(c, type);
      }
    }

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  @Test
  public void testIntervalToStringCoercion() throws SQLException {
    Interval interval = new Interval("1 year 3 months");
    PGConnectionImpl pgConnectionImpl = _conn.unwrap(PGConnectionImpl.class);
    Type type = pgConnectionImpl.getRegistry().loadType("Interval");
    String coercedStringValue = SQLTypeUtils.coerceToString(interval, type, pgConnectionImpl);


    assertEquals("@ 1 years 3 months 0 days 0 hours 0 minutes 0.000000 seconds", coercedStringValue);
  }

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    @Override
    public Range<?> decode(Type type, Short typeLength, Integer typeModifier, ByteBuf buffer, Context context) throws IOException {


      RangeType rangeType = (RangeType) type;
      Type baseType = rangeType.getBase();


      Range<?> instance = null;


      int length = buffer.readInt();


      if (length != -1) {


        Range.Flags flags = new Range.Flags(buffer.readByte());
        Object[] values = new Object[2];


        if (flags.hasLowerBound()) {


          values[0] = baseType.getBinaryCodec().decoder.decode(baseType, null, null, buffer, context);
        }


        if (flags.hasUpperBound()) {


          values[1] = baseType.getBinaryCodec().decoder.decode(baseType, null, null, buffer, context);
        }


        instance = new Range<Object>(flags, values);
      }

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      if (val != null) {


        int writeStart = buffer.writerIndex();


        RangeType rangeType = (RangeType) type;
        Type baseType = rangeType.getBase();


        Range<?> range = (Range<?>) val;


        buffer.writeByte(range.getFlags().getValue());


        if (range.getFlags().hasLowerBound()) {


          baseType.getBinaryCodec().encoder.encode(baseType, buffer, range.getLowerBound(), context);
        }


        if (range.getFlags().hasUpperBound()) {


          baseType.getBinaryCodec().encoder.encode(baseType, buffer, range.getUpperBound(), context);
        }


        // Set length
        buffer.setInt(writeStart - 4, buffer.writerIndex() - writeStart);
      }

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    @Override
    public Range<?> decode(Type type, Short typeLength, Integer typeModifier, CharSequence buffer, Context context) throws IOException {


      RangeType rangeType = (RangeType) type;
      Type baseType = rangeType.getBase();


      boolean lowerInc = false, upperInc = false;
      Object lower = null, upper = null;


      if (buffer.charAt(0) == '[') {
        lowerInc = true;
      }


      if (buffer.charAt(buffer.length() - 1) == ']') {
        upperInc = true;
      }


      CharSequence lowerTxt = buffer.subSequence(1, findBound(buffer, 1));
      if (lowerTxt.length() != 0) {
        lower = baseType.getTextCodec().decoder.decode(baseType, null, null, lowerTxt, context);
      }


      CharSequence upperTxt = buffer.subSequence(2 + lowerTxt.length(), buffer.length() - 1);
      if (upperTxt.length() != 0) {
        upper = baseType.getTextCodec().decoder.decode(baseType, null, null, upperTxt, context);
      }


      return Range.create(lower, lowerInc, upper, upperInc);
    }

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        for (int c = 0; c < itemCount; ++c) {


          ResultField field = resultBatch.fields.get(c);


          Type fieldType = field.typeRef.get();


          Type.Codec.Decoder decoder = fieldType.getCodec(field.format).decoder;


          Object fieldVal = decoder.decode(fieldType, field.typeLength, field.typeModifier, buffer, context);


          resultSetters.get(c).set(rowInstance, fieldVal);
        }

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    @Override
    public void encode(Type type, ByteBuf buffer, Object value, Context context) throws IOException {


      DomainType domainType = (DomainType) type;
      Type baseType = domainType.getBase();


      baseType.getBinaryCodec().encoder.encode(baseType, buffer, value, context);
    }

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    @Override
    public int length(Type type, Object val, Context context) throws IOException {


      DomainType domainType = (DomainType) type;
      Type baseType = domainType.getBase();


      return baseType.getBinaryCodec().encoder.length(baseType, val, context);
    }

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com.impossibl.postgres.jdbc.CodecTest

com.impossibl.postgres.jdbc.CursorScroller

com.impossibl.postgres.jdbc.IntervalTest

com.impossibl.postgres.jdbc.PGArray

com.impossibl.postgres.jdbc.PGCallableStatement

com.impossibl.postgres.jdbc.PGConnectionImpl

com.impossibl.postgres.jdbc.PGDatabaseMetaData

com.impossibl.postgres.jdbc.PGParameterMetaData

com.impossibl.postgres.jdbc.PGPreparedStatement

com.impossibl.postgres.jdbc.PGResultSet

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