add test cases of parallel_test (#2072)

### What problem does this PR solve?

_Briefly describe what this PR aims to solve. Include background context
that will help reviewers understand the purpose of the PR._

### Type of change

- [x] Test cases

python/parallel_test/test_index_parallel.py

@@ -15,7 +15,7 @@
 TEST_DATA_DIR = "/test/data/"
 kInsertThreadNum = 4
 kRuningTime = 10
-
+kThreadNum = 4 
 
 class TestIndexParallel(TestSdk):
 
@@ -254,3 +254,148 @@ def read_worker(connection_pool: ConnectionPool, end_time, knn_column_name, knn_
             "test_vector_index_parallel", ConflictType.Error)
         assert res.error_code == ErrorCode.OK
         connection_pool.release_conn(infinity_obj)
+
+    def test_index_creation_deletion_parallel(self, get_infinity_connection_pool):
+
+        def index_worker(connection_pool: ConnectionPool, table_name, column_name, index_name, end_time, thread_id):
+            infinity_obj = connection_pool.get_conn()
+            db_obj = infinity_obj.get_database("default_db")
+            table_obj = db_obj.get_table(table_name)
+
+            while time.time() < end_time:
+                res = table_obj.create_index(index_name,
+                                             index.IndexInfo(column_name,
+                                                             index.IndexType.FullText),
+                                             ConflictType.Ignore)
+                if res.error_code == ErrorCode.OK:
+                    print(f"thread {thread_id}: index {index_name} created")
+                else:
+                    print(f"thread {thread_id}: create_index {index_name} failed: {res.error_msg}")
+                time.sleep(0.5)
+                res = table_obj.drop_index(index_name, ConflictType.Ignore)
+                if res.error_code == ErrorCode.OK:
+                    print(f"thread {thread_id}: index {index_name} deleted")
+                else:
+                    print(f"thread {thread_id}: delete_index {index_name} failed: {res.error_msg}")
+                time.sleep(0.5)
+
+            connection_pool.release_conn(infinity_obj)
+
+        def insert_worker(connection_pool: ConnectionPool, table_name, data, end_time, thread_id):
+            infinity_obj = connection_pool.get_conn()
+            db_obj = infinity_obj.get_database("default_db")
+            table_obj = db_obj.get_table(table_name)
+
+            while time.time() < end_time:
+                value = []
+                for i in range(len(data["doctitle"])):
+                    value.append({"doctitle": data["doctitle"][i],
+                                  "docdate": data["docdate"][i], "body": data["body"][i]})
+                table_obj.insert(value)
+                print(f"thread {thread_id}: put data")
+                time.sleep(1)
+
+            connection_pool.release_conn(infinity_obj)
+
+        def query_worker(connection_pool: ConnectionPool, table_name, end_time, thread_id):
+            infinity_obj = connection_pool.get_conn()
+            db_obj = infinity_obj.get_database("default_db")
+            table_obj = db_obj.get_table(table_name)
+
+            while time.time() < end_time:
+                try:
+                    res = table_obj.output(["doctitle", "docdate", "_row_id", "_score"]).match_text(
+                        "body^5", "harmful chemical", 3).to_pl()
+                    print(f"thread {thread_id}: check result:\n{res}")
+                except Exception as e:
+                    print(f"thread {thread_id}: check failed: {e}")
+                time.sleep(0.5)
+
+            connection_pool.release_conn(infinity_obj)
+
+        column_names = ["doctitle", "docdate", "body"]
+        file_path = os.getcwd() + TEST_DATA_DIR + "csv" + "/enwiki_99.csv"
+        df = pandas.read_csv(file_path,
+                             delimiter="\t",
+                             header=None,
+                             names=column_names)
+        data = {key: list(value.values())
+                for key, value in df.to_dict().items()}
+
+        connection_pool = get_infinity_connection_pool
+        infinity_obj = connection_pool.get_conn()
+        db_obj = infinity_obj.get_database("default_db")
+        table_name = "test_index_creation_deletion_parallel"
+        res = db_obj.drop_table(table_name, ConflictType.Ignore)
+        assert res.error_code == ErrorCode.OK
+        table_obj = db_obj.create_table(table_name, {
+            "doctitle": {"type": "varchar"},
+            "docdate": {"type": "varchar"},
+            "body": {"type": "varchar"}}, ConflictType.Error)
+        assert table_obj is not None
+
+        threads = []
+        end_time = time.time() + kRuningTime
+
+        for i in range(kThreadNum):
+            threads.append(Thread(target=index_worker, args=[
+                connection_pool, table_name, "body", "body_index", end_time, i]))
+
+        for i in range(kThreadNum):
+            threads.append(Thread(target=insert_worker, args=[
+                connection_pool, table_name, data, end_time, i + kThreadNum]))
+
+        for i in range(kThreadNum):
+            threads.append(Thread(target=query_worker, args=[
+                connection_pool, table_name, end_time, i + 2*kThreadNum]))
+
+        for t in threads:
+            t.start()
+
+        for t in threads:
+            t.join()
+
+        res = db_obj.drop_table(table_name, ConflictType.Ignore)
+        assert res.error_code == ErrorCode.OK
+        connection_pool.release_conn(infinity_obj)
+
+    def test_table_creation_deletion_parallel(self, get_infinity_connection_pool):
+
+        def create_table_worker(connection_pool: ConnectionPool, table_name_prefix, end_time, thread_id):
+            infinity_obj = connection_pool.get_conn()
+            db_obj = infinity_obj.get_database("default_db")
+            table_counter = 0
+            while time.time() < end_time:
+                table_name = f"{table_name_prefix}_{thread_id}_{table_counter}"
+                table_counter += 1
+                res = db_obj.create_table(table_name, {
+                    "id": {"type": "int"},
+                    "value": {"type": "varchar"}}, ConflictType.Ignore)
+                if res.error_code == ErrorCode.OK:
+                    print(f"thread {thread_id}: table {table_name} created")
+                else:
+                    print(f"thread {thread_id}: create table {table_name} failed: {res.error_msg}")
+                time.sleep(0.5)
+                res = db_obj.drop_table(table_name, ConflictType.Ignore)
+                if res.error_code == ErrorCode.OK:
+                    print(f"thread {thread_id}: table {table_name} deleted")
+                else:
+                    print(f"thread {thread_id}: delete table {table_name} failed: {res.error_msg}")
+                time.sleep(0.5)
+            connection_pool.release_conn(infinity_obj)
+
+        connection_pool = get_infinity_connection_pool
+        infinity_obj = connection_pool.get_conn()
+        db_obj = infinity_obj.get_database("default_db")
+        table_name_prefix = "test_table_creation_deletion"
+
+        threads = []
+        end_time = time.time() + kRuningTime
+        for i in range(kThreadNum):
+            threads.append(Thread(target=create_table_worker, args=[
+                connection_pool, table_name_prefix, end_time, i]))
+        for t in threads:
+            t.start()
+        for t in threads:
+            t.join()
+        connection_pool.release_conn(infinity_obj)