Expose commit parents in commit table

Signed-off-by: Manuel Carmona <[email protected]>

Author: mcarmonaa

commits.go

@@ -23,6 +23,7 @@ var CommitsSchema = sql.Schema{
 	{Name: "committer_when", Type: sql.Timestamp, Nullable: false, Source: CommitsTableName},
 	{Name: "message", Type: sql.Text, Nullable: false, Source: CommitsTableName},
 	{Name: "tree_hash", Type: sql.Text, Nullable: false, Source: CommitsTableName},
+	{Name: "parents", Type: sql.Array(sql.Text), Nullable: false, Source: CommitsTableName},
 }
 
 var _ sql.PushdownProjectionAndFiltersTable = (*commitsTable)(nil)
@@ -186,5 +187,15 @@ func commitToRow(c *object.Commit) sql.Row {
 		c.Committer.When,
 		c.Message,
 		c.TreeHash.String(),
+		getParentHashes(c),
 	)
 }
+
+func getParentHashes(c *object.Commit) []interface{} {
+	parentHashes := make([]interface{}, 0, len(c.ParentHashes))
+	for _, plumbingHash := range c.ParentHashes {
+		parentHashes = append(parentHashes, plumbingHash.String())
+	}
+
+	return parentHashes
+}

internal/rule/squashjoins_test.go

@@ -73,7 +73,7 @@ func TestSquashJoins(t *testing.T) {
 					nil,
 					false,
 				),
-				[]int{4, 5, 6, 7, 8, 9, 10, 11, 12, 0, 1, 2, 3},
+				[]int{4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 0, 1, 2, 3},
 				gitbase.RepositoriesTableName,
 				gitbase.ReferencesTableName,
 				gitbase.CommitsTableName,