protected void fillDefaultValue()

in holo-client/src/main/java/com/alibaba/hologres/client/impl/UpsertStatementBuilder.java [320:406]
84 lines of code
41 McCabe index (conditional complexity)

	protected void fillDefaultValue(Record record, Column column, int i) {

		//当列为空并且not null时，尝试在客户端填充default值
		if (record.getObject(i) == null && !column.getAllowNull()) {
			//对于serial列不处理default值
			if (column.isSerial()) {
				return;
			}
			if (column.getDefaultValue() != null) {
				String[] defaultValuePair = handleDefaultValue(String.valueOf(column.getDefaultValue()));
				String defaultValue = defaultValuePair[0];
				switch (column.getType()) {
					case Types.INTEGER:
					case Types.BIGINT:
					case Types.SMALLINT:
						record.setObject(i, Long.parseLong(defaultValue));
						break;
					case Types.REAL:
					case Types.DOUBLE:
					case Types.FLOAT:
						record.setObject(i, Double.parseDouble(defaultValue));
						break;
					case Types.DECIMAL:
					case Types.NUMERIC:
						record.setObject(i, new BigDecimal(defaultValue));
						break;
					case Types.BOOLEAN:
					case Types.BIT:
						record.setObject(i, Boolean.valueOf(defaultValue));
						break;
					case Types.CHAR:
					case Types.VARCHAR:
						record.setObject(i, defaultValue);
						break;
					case Types.TIMESTAMP:
					case Types.TIME_WITH_TIMEZONE:
					case Types.TIME:
					case Types.DATE:
						if ("now()".equalsIgnoreCase(defaultValue) || "current_timestamp".equalsIgnoreCase(defaultValue)) {
							record.setObject(i, new Date());
						} else {
							record.setObject(i, defaultValue);
						}
						break;
					default:
						logWarnSeldom("unsupported default type,{}({})", column.getType(), column.getTypeName());
				}
			} else if (enableDefaultValue) {
				switch (column.getType()) {
					case Types.INTEGER:
					case Types.BIGINT:
					case Types.SMALLINT:
						record.setObject(i, 0L);
						break;
					case Types.REAL:
					case Types.DOUBLE:
					case Types.FLOAT:
						record.setObject(i, 0D);
						break;
					case Types.DECIMAL:
					case Types.NUMERIC:
						record.setObject(i, BigDecimal.ZERO);
						break;
					case Types.BOOLEAN:
					case Types.BIT:
						record.setObject(i, false);
						break;
					case Types.CHAR:
					case Types.VARCHAR:
						record.setObject(i, "");
						break;
					case Types.TIMESTAMP:
					case Types.TIME_WITH_TIMEZONE:
					case Types.TIME:
					case Types.DATE:
						if (defaultTimeStampText == null) {
							record.setObject(i, new Date(0L));
						} else {
							record.setObject(i, defaultTimeStampText);
						}
						break;
					default:
						logWarnSeldom("unsupported default type,{}({})", column.getType(), column.getTypeName());
				}
			}
		}
	}