From 5ff2dfbe134675bfee636eb4f5801e73f16c1099 Mon Sep 17 00:00:00 2001 From: Juergen Hoeller Date: Tue, 30 Apr 2013 22:09:50 +0200 Subject: [PATCH] Removed references to deprecated queryForInt method from documentation Issue: SPR-10257 (cherry picked from commit 6be954e) --- src/reference/docbook/jdbc.xml | 24 +++++++++++------------- 1 file changed, 11 insertions(+), 13 deletions(-) diff --git a/src/reference/docbook/jdbc.xml b/src/reference/docbook/jdbc.xml index f4af0e3b233..39ff7f3b75b 100644 --- a/src/reference/docbook/jdbc.xml +++ b/src/reference/docbook/jdbc.xml @@ -304,12 +304,12 @@ Here is a simple query for getting the number of rows in a relation: - int rowCount = this.jdbcTemplate.queryForInt("select count(*) from t_actor"); + int rowCount = this.jdbcTemplate.queryForObject("select count(*) from t_actor", int.class); A simple query using a bind variable: - int countOfActorsNamedJoe = this.jdbcTemplate.queryForInt( - "select count(*) from t_actor where first_name = ?", "Joe"); + int countOfActorsNamedJoe = this.jdbcTemplate.queryForObject( + "select count(*) from t_actor where first_name = ?", int.class, "Joe"); Querying for a String: @@ -567,7 +567,7 @@ public int countOfActorsByFirstName(String firstName) { SqlParameterSource namedParameters = new MapSqlParameterSource("first_name", firstName); - return namedParameterJdbcTemplate.queryForInt(sql, namedParameters); + return this.namedParameterJdbcTemplate.queryForObject(sql, int.class, namedParameters); } Notice the use of the named parameter notation in the value @@ -598,9 +598,9 @@ public int countOfActorsByFirstName(String firstName) { String sql = "select count(*) from T_ACTOR where first_name = :first_name"; - Map namedParameters = Collections.singletonMap("first_name", firstName); + Map<String, String> namedParameters = Collections.singletonMap("first_name", firstName); - return this.namedParameterJdbcTemplate.queryForInt(sql, namedParameters); + return this.namedParameterJdbcTemplate.queryForObject(sql, int.class, namedParameters); } One nice feature related to the @@ -664,7 +664,7 @@ public int countOfActors(Actor exampleActor) { SqlParameterSource namedParameters = new BeanPropertySqlParameterSource(exampleActor); - return this.namedParameterJdbcTemplate.queryForInt(sql, namedParameters); + return this.namedParameterJdbcTemplate.queryForObject(sql, int.class, namedParameters); } Remember that the @@ -838,10 +838,8 @@ public class ExecuteAStatement {
Running queries - Some query methods return a single value. To retrieve a count or a - specific value from one row, use - queryForInt(..), - queryForLong(..) or + Some query methods return a single value. To retrieve a count or + a specific value from one row, use queryForObject(..). The latter converts the returned JDBC Type to the Java class that is passed in as an argument. If the type conversion is invalid, then an @@ -862,11 +860,11 @@ public class RunAQuery { } public int getCount() { - return this.jdbcTemplate.queryForInt("select count(*) from mytable"); + return this.jdbcTemplate.queryForObject("select count(*) from mytable", int.class); } public String getName() { - return (String) this.jdbcTemplate.queryForObject("select name from mytable", String.class); + return this.jdbcTemplate.queryForObject("select name from mytable", String.class); } public void setDataSource(DataSource dataSource) {