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1 vote
1 answer
462 views

I am using BeanPropertyRowMapper. Should BeanPropertyRowMapper be called for every JdbcTemplate query, be a prototype, or a singleton in the application? My application has multithreading requests ...
1 vote
0 answers
366 views

I am creating a custom query in Spring using JDBC to join the tables that are in my Database, but when I check the endpoint in PostMan only the results one table appear. Any insight would be helpful. ...
0 votes
0 answers
331 views

Im trying to mock NamedParameterJdbcTemplate inside LaAttributeRepo Calss having below method findFieldByItemId SqlParameterSource param = new MapSqlParameterSource("laIds", laIds); List &...
0 votes
2 answers
292 views

I have following class: public class Person { private String firstName; private String lastName; private List<String> habits; } I have Postgres query which returns me following result using ...
1 vote
0 answers
56 views

I know that BeanPropertyRowMapper<>() can wrap fields comparing database fields to Class fields by name. But why when I'm using keyword "AS" i get an error. jdbcTemplate code public ...
Vandal's user avatar
  • 21
0 votes
1 answer
320 views

I have this query that when is executed I have an expection @SqlQuery("SELECT * FROM TABLEA WHERE m= :mAND values in (<values>)") @RegisterRowMapper(TableARsMapper.class) Optional<...
mdc's user avatar
  • 3
0 votes
2 answers
1k views

I'm working on deserializing objects stored in a database table. When attempting to read the serialized data using ObjectInputStream, I encounter a StreamCorruptedException with the message 'invalid ...
0 votes
1 answer
1k views

I am trying to create a generic row mapper for JDBC. My initial attempt looks like: public class GenericRowMapper<T> implements RowMapper<T> { private final Class<?> clazz; ...
1 vote
1 answer
2k views

I have a class RowMapperFactory that can return an Employee in particular: new Employee( new BigInteger("7499"), new FullName("...
0 votes
1 answer
448 views

I'm learning Spring and I was following along with this tutorial, but suddenly I started getting an error around this RowMapper assignment. RowMapper<Person> rowMapper = (resultSet, i) -> { ...
1 vote
1 answer
1k views

I'm facing weird issue with Spring jdbc RowMapper:- Here is my code public void test(){ String sql=" Query will fetch records where dateColumn<='2021-08-17' Limit 1"; jdbcTemplate....
vivek's user avatar
  • 145
1 vote
0 answers
1k views

Springs DataClassRowMapper seems to be thread safe. However all examples I see, are constructing new instances on every use. It is doing reflection on construction, so there is some costs on ...
0 votes
1 answer
55 views

I am getting an error because of the type required in emails. It requires List<java.lang.String> but I wanted to ask would .emails((List<String>) resultSet.getObject("emails")); ...
0 votes
1 answer
1k views

I'm trying to understand how JdbcCursorItemReader works. I noticed that the ItemReader read() method eventually calls readCursor() method from JdbcCursorItemReader where we pass the complete resultset ...
0 votes
1 answer
3k views

question, how can i mock this method ? return jdbcTemplate.query(query.toString(), new BeanPropertyRowMapper<>(TarjetaCoordenada.class), id); @Override public <T> List<T> query(...

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