I was wondering if there is a more elegant way to do IN() queries with Spring's JDBCTemplate. Currently I do something like that:
StringBuilder jobTypeInClauseBuilder = new StringBuilder();
for(int i = 0; i < jobTypes.length; i++) {
Type jobType = jobTypes[i];
if(i != 0) {
jobTypeInClauseBuilder.append(',');
}
jobTypeInClauseBuilder.append(jobType.convert());
}
Which is quite painful since if I have nine lines just for building the clause for the IN() query. I would like to have something like the parameter substitution of prepared statements
This question is related to
java
sql
spring
jdbc
jdbctemplate
I do the "in clause" query with spring jdbc like this:
String sql = "SELECT bg.goodsid FROM beiker_goods bg WHERE bg.goodsid IN (:goodsid)";
List ids = Arrays.asList(new Integer[]{12496,12497,12498,12499});
Map<String, List> paramMap = Collections.singletonMap("goodsid", ids);
NamedParameterJdbcTemplate template =
new NamedParameterJdbcTemplate(getJdbcTemplate().getDataSource());
List<Long> list = template.queryForList(sql, paramMap, Long.class);
Refer to here
write query with named parameter, use simple ListPreparedStatementSetter
with all parameters in sequence. Just add below snippet to convert the query in traditional form based to available parameters,
ParsedSql parsedSql = NamedParameterUtils.parseSqlStatement(namedSql);
List<Integer> parameters = new ArrayList<Integer>();
for (A a : paramBeans)
parameters.add(a.getId());
MapSqlParameterSource parameterSource = new MapSqlParameterSource();
parameterSource.addValue("placeholder1", parameters);
// create SQL with ?'s
String sql = NamedParameterUtils.substituteNamedParameters(parsedSql, parameterSource);
return sql;
If you get an exception for : Invalid column type
Please use getNamedParameterJdbcTemplate()
instead of getJdbcTemplate()
List<Foo> foo = getNamedParameterJdbcTemplate().query("SELECT * FROM foo WHERE a IN (:ids)",parameters,
getRowMapper());
Note that the second two arguments are swapped around.
Many things changed since 2009, but I can only find answers saying you need to use NamedParametersJDBCTemplate.
For me it works if I just do a
db.query(sql, new MyRowMapper(), StringUtils.join(listeParamsForInClause, ","));
using SimpleJDBCTemplate or JDBCTemplate
Source: Stackoverflow.com