private int getTerminatorCount(RowKeySchema schema) {
   int nTerminators = 0;
   for (int i = 0; i < schema.getFieldCount(); i++) {
     Field field = schema.getField(i);
     // We won't have a terminator on the last PK column
     // unless it is variable length and exclusive, but
     // having the extra byte irregardless won't hurt anything
     if (!field.getType().isFixedWidth()) {
       nTerminators++;
     }
   }
   return nTerminators;
 }
 private int setStartKey(ImmutableBytesWritable ptr, int offset, int i) {
   int length = ptr.getOffset() - offset;
   startKey = copyKey(startKey, length + this.maxKeyLength, ptr.get(), offset, length);
   startKeyLength = length;
   // Add separator byte if we're at the end of the buffer, since trailing separator bytes are
   // stripped
   if (ptr.getOffset() + ptr.getLength() == offset + length
       && i - 1 > 0
       && !schema.getField(i - 1).getType().isFixedWidth()) {
     startKey[startKeyLength++] = QueryConstants.SEPARATOR_BYTE;
   }
   startKeyLength += setKey(Bound.LOWER, startKey, startKeyLength, i);
   return length;
 }
Пример #3
0
  private void assertIteration(String dataColumns, String pk, Object[] values, String dataProps)
      throws Exception {
    String schemaName = "";
    String tableName = "T";
    Connection conn = DriverManager.getConnection(getUrl());
    String fullTableName =
        SchemaUtil.getTableName(
            SchemaUtil.normalizeIdentifier(schemaName), SchemaUtil.normalizeIdentifier(tableName));
    conn.createStatement()
        .execute(
            "CREATE TABLE "
                + fullTableName
                + "("
                + dataColumns
                + " CONSTRAINT pk PRIMARY KEY ("
                + pk
                + "))  "
                + (dataProps.isEmpty() ? "" : dataProps));
    PhoenixConnection pconn = conn.unwrap(PhoenixConnection.class);
    PTable table = pconn.getTable(new PTableKey(pconn.getTenantId(), fullTableName));
    conn.close();
    StringBuilder buf = new StringBuilder("UPSERT INTO " + fullTableName + " VALUES(");
    for (int i = 0; i < values.length; i++) {
      buf.append("?,");
    }
    buf.setCharAt(buf.length() - 1, ')');
    PreparedStatement stmt = conn.prepareStatement(buf.toString());
    for (int i = 0; i < values.length; i++) {
      stmt.setObject(i + 1, values[i]);
    }
    stmt.execute();
    Iterator<Pair<byte[], List<KeyValue>>> iterator =
        PhoenixRuntime.getUncommittedDataIterator(conn);
    List<KeyValue> dataKeyValues = iterator.next().getSecond();
    KeyValue keyValue = dataKeyValues.get(0);

    List<SortOrder> sortOrders = Lists.newArrayListWithExpectedSize(table.getPKColumns().size());
    for (PColumn col : table.getPKColumns()) {
      sortOrders.add(col.getSortOrder());
    }
    RowKeySchema schema = table.getRowKeySchema();
    int minOffset = keyValue.getRowOffset();
    ImmutableBytesWritable ptr = new ImmutableBytesWritable();
    int nExpectedValues = values.length;
    for (int i = values.length - 1; i >= 0; i--) {
      if (values[i] == null) {
        nExpectedValues--;
      } else {
        break;
      }
    }
    int i = 0;
    int maxOffset =
        schema.iterator(keyValue.getRowArray(), minOffset, keyValue.getRowLength(), ptr);
    for (i = 0; i < schema.getFieldCount(); i++) {
      Boolean hasValue = schema.next(ptr, i, maxOffset);
      if (hasValue == null) {
        break;
      }
      assertTrue(hasValue);
      PDataType type = PDataType.fromLiteral(values[i]);
      SortOrder sortOrder = sortOrders.get(i);
      Object value = type.toObject(ptr, schema.getField(i).getDataType(), sortOrder);
      assertEquals(values[i], value);
    }
    assertEquals(nExpectedValues, i);
    assertNull(schema.next(ptr, i, maxOffset));

    for (i--; i >= 0; i--) {
      Boolean hasValue = schema.previous(ptr, i, minOffset);
      if (hasValue == null) {
        break;
      }
      assertTrue(hasValue);
      PDataType type = PDataType.fromLiteral(values[i]);
      SortOrder sortOrder = sortOrders.get(i);
      Object value = type.toObject(ptr, schema.getField(i).getDataType(), sortOrder);
      assertEquals(values[i], value);
    }
    assertEquals(-1, i);
    assertNull(schema.previous(ptr, i, minOffset));
  }