Spring JDBC Framework Conditional Prepared Statement - spring

Question

public ResultSet getAdCampaignDetailsbyName(ADCampaignDetails Obj,
Connection conn, ResultSet rs, PreparedStatement pstmt) throws SQLException {
String query = "select adCampaignName,adCampaignId from AdCampaignDetails";
query += " where 1=1 ";
if (Obj.getAdCamapignName() != null)
query += " and adCampaignName = ?";
if (Obj.userId != "")
query += " and userId = ?";
pstmt = conn.prepareStatement(query);
int i = 0;
if (Obj.getAdCamapignName() != null)
pstmt.setString(++i, Obj.getAdCamapignName());
if (Obj.userId != "")
pstmt.setString(++i, Obj.userId);
System.out.println(" Q : " + query);
rs = pstmt.executeQuery();
return rs;
}
I am new to Spring , in this above query, i have used two conditions , How to execute query with condition in Spring JDBC Framework?

Answer 1

You can use SimpleJDBCTemplate.
// SQL query
String query = "select adCampaignName,adCampaignId from AdCampaignDetails where 1=1";
// Map with parameter value
Map<String, Object> parameters = new HashMap<String, Object>();
if (adCampaignName!=null){
parameters.put("adCampaignName ", adCampaignName );
query += " AND adCampaignName = :adCampaignName";
}
if (userId!=null){
parameters.put("userId", 1);
query += " AND userId= :userId";
}
// Execute query using simpleJDBC Template
List<AdCampaignDetails> resultList = getSimpleJdbcTemplate().query(query, new customRowMapper(), parameters);
You can build the query string accordingly, just add coresponding entries in map.
Check this link for details.