2021-11 spring-07-jdbc updated

2021-11/spring-07-jdbc/jdbc-class-work/jdbc-demo-exercise/src/main/resources/application.yml

@@ -1,9 +0,0 @@
-spring:
-  datasource:
-    url: jdbc:h2:mem:testdb
-
-  h2:
-    console:
-      path: /h2-console
-      settings:
-        web-allow-others: true

2021-11/spring-07-jdbc/jdbc-class-work/jdbc-demo-solution-3/src/main/resources/application.yml

@@ -1,9 +0,0 @@
-spring:
-  datasource:
-    url: jdbc:h2:mem:testdb
-
-  h2:
-    console:
-      path: /h2-console
-      settings:
-        web-allow-others: true

2021-11/spring-07-jdbc/jdbc-class-work/jdbc-demo-solution-4/src/main/resources/application.yml

@@ -1,9 +0,0 @@
-spring:
-  datasource:
-    url: jdbc:h2:mem:testdb
-
-  h2:
-    console:
-      path: /h2-console
-      settings:
-        web-allow-others: true

2021-11/spring-07-jdbc/jdbc-class-work/jdbc-demo-solution-5/src/main/resources/application.yml

@@ -1,9 +0,0 @@
-spring:
-  datasource:
-    url: jdbc:h2:mem:testdb
-
-  h2:
-    console:
-      path: /h2-console
-      settings:
-        web-allow-others: true

2021-11/spring-07-jdbc/jdbc-class-work/jdbc-demo-solution-final/src/main/resources/application.yml

@@ -1,9 +0,0 @@
-spring:
-  datasource:
-    url: jdbc:h2:mem:testdb
-
-  h2:
-    console:
-      path: /h2-console
-      settings:
-        web-allow-others: true

2021-11/spring-07-jdbc/jdbc-demo-exercise/src/main/java/ru/otus/spring/dao/PersonDaoJdbc.java

@@ -3,7 +3,6 @@ package ru.otus.spring.dao;
 import org.springframework.jdbc.core.JdbcOperations;
 import org.springframework.stereotype.Repository;
 
-@SuppressWarnings({"SqlNoDataSourceInspection", "ConstantConditions", "SqlDialectInspection"})
 @Repository
 public class PersonDaoJdbc implements PersonDao {
     private final JdbcOperations jdbc;

2021-11/spring-07-jdbc/jdbc-demo-exercise/src/main/resources/application.yml

@@ -0,0 +1,16 @@
+spring:
+  datasource:
+    url: jdbc:h2:mem:testdb
+    #initialization-mode: always
+    #schema: schema.sql
+    #data: data.sql
+  sql:
+    init:
+      mode: always
+      data-locations: data.sql
+      schema-locations: schema.sql
+  h2:
+    console:
+      path: /h2-console
+      settings:
+        web-allow-others: true

2021-11/spring-07-jdbc/jdbc-demo-solution-3/src/main/java/ru/otus/spring/dao/PersonDaoJdbc.java

@@ -2,9 +2,7 @@ package ru.otus.spring.dao;
 
 import org.springframework.jdbc.core.JdbcOperations;
 import org.springframework.stereotype.Repository;
-import ru.otus.spring.domain.Person;
 
-@SuppressWarnings({"SqlNoDataSourceInspection", "ConstantConditions", "SqlDialectInspection"})
 @Repository
 public class PersonDaoJdbc implements PersonDao {
 
@@ -17,7 +15,8 @@ public class PersonDaoJdbc implements PersonDao {
 
     @Override
     public int count() {
-        return jdbc.queryForObject("select count(*) from persons", Integer.class);
+        Integer count = jdbc.queryForObject("select count(*) from persons", Integer.class);
+        return count == null? 0: count;
     }
 
 }

2021-11/spring-07-jdbc/jdbc-demo-solution-3/src/main/resources/application.yml

@@ -0,0 +1,16 @@
+spring:
+  datasource:
+    url: jdbc:h2:mem:testdb
+    #initialization-mode: always
+    #schema: schema.sql
+    #data: data.sql
+  sql:
+    init:
+      mode: always
+      data-locations: data.sql
+      schema-locations: schema.sql
+  h2:
+    console:
+      path: /h2-console
+      settings:
+        web-allow-others: true

2021-11/spring-07-jdbc/jdbc-demo-solution-4/src/main/java/ru/otus/spring/dao/PersonDaoJdbc.java

@@ -1,15 +1,10 @@
 package ru.otus.spring.dao;
 
 import org.springframework.jdbc.core.JdbcOperations;
-import org.springframework.jdbc.core.RowMapper;
 import org.springframework.stereotype.Repository;
 import ru.otus.spring.domain.Person;
 
-import java.sql.ResultSet;
-import java.sql.SQLException;
-import java.util.List;
 
-@SuppressWarnings({"SqlNoDataSourceInspection", "ConstantConditions", "SqlDialectInspection"})
 @Repository
 public class PersonDaoJdbc implements PersonDao {
 
@@ -22,12 +17,13 @@ public class PersonDaoJdbc implements PersonDao {
 
     @Override
     public int count() {
-        return jdbc.queryForObject("select count(*) from persons", Integer.class);
+        Integer count = jdbc.queryForObject("select count(*) from persons", Integer.class);
+        return count == null? 0: count;
     }
 
     @Override
     public void insert(Person person) {
-        jdbc.update("insert into persons (id, `name`) values (?, ?)", person.getId(), person.getName());
+        jdbc.update("insert into persons (id, name) values (?, ?)", person.getId(), person.getName());
     }
 
 }

2021-11/spring-07-jdbc/jdbc-demo-solution-4/src/main/resources/application.yml

@@ -0,0 +1,16 @@
+spring:
+  datasource:
+    url: jdbc:h2:mem:testdb
+    #initialization-mode: always
+    #schema: schema.sql
+    #data: data.sql
+  sql:
+    init:
+      mode: always
+      data-locations: data.sql
+      schema-locations: schema.sql
+  h2:
+    console:
+      path: /h2-console
+      settings:
+        web-allow-others: true

2021-11/spring-07-jdbc/jdbc-demo-solution-5/src/main/java/ru/otus/spring/dao/PersonDaoJdbc.java

@@ -2,17 +2,13 @@ package ru.otus.spring.dao;
 
 import org.springframework.jdbc.core.JdbcOperations;
 import org.springframework.jdbc.core.RowMapper;
-import org.springframework.jdbc.core.namedparam.NamedParameterJdbcOperations;
 import org.springframework.stereotype.Repository;
 import ru.otus.spring.domain.Person;
 
 import java.sql.ResultSet;
 import java.sql.SQLException;
-import java.util.Collections;
 import java.util.List;
-import java.util.Map;
 
-@SuppressWarnings({"SqlNoDataSourceInspection", "ConstantConditions", "SqlDialectInspection"})
 @Repository
 public class PersonDaoJdbc implements PersonDao {
 
@@ -25,22 +21,23 @@ public class PersonDaoJdbc implements PersonDao {
 
     @Override
     public int count() {
-        return jdbc.queryForObject("select count(*) from persons", Integer.class);
+        Integer count = jdbc.queryForObject("select count(*) from persons", Integer.class);
+        return count == null? 0: count;
     }
 
     @Override
     public void insert(Person person) {
-        jdbc.update("insert into persons (id, `name`) values (?, ?)", person.getId(), person.getName());
+        jdbc.update("insert into persons (id, name) values (?, ?)", person.getId(), person.getName());
     }
 
     @Override
     public Person getById(long id) {
-        return jdbc.queryForObject("select * from persons where id = ?", new Object[] {id}, new PersonMapper());
+        return jdbc.queryForObject("select id, name from persons where id = ?", new PersonMapper(), id);
     }
 
     @Override
     public List<Person> getAll() {
-        return jdbc.query("select * from persons", new PersonMapper());
+        return jdbc.query("select id, name from persons", new PersonMapper());
     }
 
 

2021-11/spring-07-jdbc/jdbc-demo-solution-5/src/main/resources/application.yml

@@ -0,0 +1,16 @@
+spring:
+  datasource:
+    url: jdbc:h2:mem:testdb
+    #initialization-mode: always
+    #schema: schema.sql
+    #data: data.sql
+  sql:
+    init:
+      mode: always
+      data-locations: data.sql
+      schema-locations: schema.sql
+  h2:
+    console:
+      path: /h2-console
+      settings:
+        web-allow-others: true

2021-11/spring-07-jdbc/jdbc-demo-solution-final/src/main/java/ru/otus/spring/dao/PersonDaoJdbc.java

@@ -12,7 +12,6 @@ import java.util.Collections;
 import java.util.List;
 import java.util.Map;
 
-@SuppressWarnings({"SqlNoDataSourceInspection", "ConstantConditions", "SqlDialectInspection"})
 @Repository
 public class PersonDaoJdbc implements PersonDao {
 
@@ -29,12 +28,13 @@ public class PersonDaoJdbc implements PersonDao {
 
     @Override
     public int count() {
-        return jdbc.queryForObject("select count(*) from persons", Integer.class);
+        Integer count = jdbc.queryForObject("select count(*) from persons", Integer.class);
+        return count == null? 0: count;
     }
 
     @Override
     public void insert(Person person) {
-        namedParameterJdbcOperations.update("insert into persons (id, `name`) values (:id, :name)",
+        namedParameterJdbcOperations.update("insert into persons (id, name) values (:id, :name)",
                 Map.of("id", person.getId(), "name", person.getName()));
     }
 
@@ -42,13 +42,13 @@ public class PersonDaoJdbc implements PersonDao {
     public Person getById(long id) {
         Map<String, Object> params = Collections.singletonMap("id", id);
         return namedParameterJdbcOperations.queryForObject(
-                "select * from persons where id = :id", params, new PersonMapper()
+                "select id, name from persons where id = :id", params, new PersonMapper()
         );
     }
 
     @Override
     public List<Person> getAll() {
-        return jdbc.query("select * from persons", new PersonMapper());
+        return jdbc.query("select id, name from persons", new PersonMapper());
     }
 
     @Override

2021-11/spring-07-jdbc/jdbc-demo-solution-final/src/main/resources/application.yml

@@ -0,0 +1,17 @@
+spring:
+  datasource:
+    url: jdbc:h2:mem:testdb
+    #initialization-mode: always
+    #schema: schema.sql
+    #data: data.sql
+  sql:
+    init:
+      mode: always
+      data-locations: data.sql
+      schema-locations: schema.sql
+  h2:
+    console:
+      path: /h2-console
+      settings:
+        web-allow-others: true
+