src/main/java/ru/ulstu/extractor/model/CommitTimeStatistic.java

@@ -1,18 +1,19 @@
 package ru.ulstu.extractor.model;
 
-import java.util.Date;
-
 public class CommitTimeStatistic {
-    private Date date;
-    private Long countCommit;
+    private final static String DATE_TEMPLATE = "%s.%s";
+    private final int month;
+    private final int year;
+    private final Long countCommit;
 
-    public CommitTimeStatistic(Date date, Long countCommit) {
-        this.date = date;
+    public CommitTimeStatistic(int month, int year, Long countCommit) {
+        this.month = month;
+        this.year = year;
         this.countCommit = countCommit;
     }
 
-    public Date getDate() {
-        return date;
+    public String getDate() {
+        return String.format(DATE_TEMPLATE, month, year);
     }
 
     public Long getCountCommit() {

src/main/java/ru/ulstu/extractor/repository/CommitRepository.java

@@ -29,13 +29,13 @@ public interface CommitRepository extends JpaRepository<Commit, Integer> {
     @Query("SELECT new ru.ulstu.extractor.model.CommitUrlStatistic(c.branch.repository.url, COUNT(DISTINCT c.hash)) FROM Commit c GROUP by c.branch.repository.url")
     List<CommitUrlStatistic> getCommitUrlStatistic();
 
-    @Query("SELECT new ru.ulstu.extractor.model.CommitTimeStatistic(cast(c.date as date), COUNT(DISTINCT c.hash)) FROM Commit c GROUP by cast(c.date as date) ORDER by cast(c.date as date)")
+    @Query("SELECT new ru.ulstu.extractor.model.CommitTimeStatistic(extract(month FROM c.date) as month, extract(year FROM c.date) as year, COUNT(DISTINCT c.hash)) FROM Commit c GROUP by extract(month from c.date), extract(year from c.date) ORDER by extract(year from c.date), extract(month from c.date)")
     List<CommitTimeStatistic> getCommitTimeStatistic();
 
     @Query("SELECT new ru.ulstu.extractor.model.CommitEntityStatistic(f.containsEntity, COUNT(DISTINCT c.hash)) FROM Commit c JOIN c.fileChanges f GROUP by f.containsEntity")
     List<CommitEntityStatistic> getCommitEntityStatistic();
 
-    @Query("SELECT new ru.ulstu.extractor.model.CommitTimeStatistic(cast(c.date as date), COUNT(DISTINCT c.hash)) FROM Commit c JOIN c.fileChanges f WHERE f.containsEntity = true GROUP by cast(c.date as date) ORDER by cast(c.date as date)")
+    @Query("SELECT new ru.ulstu.extractor.model.CommitTimeStatistic(EXTRACT(MONTH FROM c.date), EXTRACT(YEAR FROM c.date), COUNT(DISTINCT c.hash)) FROM Commit c JOIN c.fileChanges f WHERE f.containsEntity = true GROUP by extract(month from c.date), extract(year from c.date) ORDER by extract(year from c.date), extract(month from c.date)")
     List<CommitTimeStatistic> getCommitTimeEntityStatistic();
 
     void deleteByBranchIsNull();