fix: use parallel relation fetching (#173)

optimizes performance of queries with many left joins
2021-02-17 10:40:48 +01:00
parent 0ed6b4a6a0
commit 46006e4b06
6 changed files with 1192 additions and 2022 deletions
@@ -6,6 +6,7 @@ class MockRepo {
    softRemove,
    find,
    findOne,
+    findOneWithRelations,
    findOneOrFail,
    save,
    findAndCount,
@@ -19,6 +20,7 @@ class MockRepo {
    this.findOneOrFail_ = findOneOrFail;
    this.save_ = save;
    this.findAndCount_ = findAndCount;
+    this.findOneWithRelations_ = findOneWithRelations;
  }

  setFindOne(fn) {
@@ -53,6 +55,11 @@ class MockRepo {
      return this.findOneOrFail_(...args);
    }
  });
+  findOneWithRelations = jest.fn().mockImplementation((...args) => {
+    if (this.findOneWithRelations_) {
+      return this.findOneWithRelations_(...args);
+    }
+  });
  findOne = jest.fn().mockImplementation((...args) => {
    if (this.findOne_) {
      return this.findOne_(...args);