我的函数是f_wfc_transaction_summary_isocc_ft_sum_no_tid('2015-07-01 14:00:00','2015-07-21 01:00:00', array['EGY','IND'], 'LINK')
where wfc_result in ('TM_OK', 'TM_NO_CHANGE')
我使用NamedParameterJdbcTemplate:
MapSqlParameterSource params = new MapSqlParameterSource();
params.addValue("isoCountryCode", isoCountryCode ,java.sql.Types.ARRAY ); --> this is the array['EGY','IND']
result = template.queryForList(overallDataQuery,params);
我尝试了几种方法:1. isoCountryCode字段作为数组2. isoCountryCode字段作为格式的字符串- {'EGY','IND'}
然而,我一直得到postgres错误-字符串不能转换为postgres数组类型
找到解决方案:
MapSqlParameterSource params = new MapSqlParameterSource();
params.addValue("featureType", featureType);
params.addValue("fromDate", fromDate);
params.addValue("toDate", toDate);
Array array = null;
try {
Connection con = dataSource.getConnection();
array = con.createArrayOf("text", isoCountryCode);
}
catch (SQLException e) {}
params.addValue("isoCountryCode", array);
这对我有用:
result.addValue("arrayParam", list.toArray(new String[0]), Types.ARRAY);
另一个问题是将数组与null进行比较,因为常规的"是null"不工作:
and (paramName = any(:arrayParam) or COALESCE(:arrayParam, '{}') = '{}')