diff --git a/new_pullreq.sql b/new_pullreq.sql
new file mode 100644
index 0000000..cd84b6f
--- /dev/null
+++ b/new_pullreq.sql
@@ -0,0 +1,176 @@
+/*
+ Navicat Premium Data Transfer
+
+ Source Server         : zxh-phd
+ Source Server Type    : MySQL
+ Source Server Version : 80031
+ Source Host           : 8.130.51.51:3306
+ Source Schema         : test_new_pullreq
+
+ Target Server Type    : MySQL
+ Target Server Version : 80031
+ File Encoding         : 65001
+
+ Date: 20/02/2023 13:44:18
+*/
+
+SET NAMES utf8mb4;
+SET FOREIGN_KEY_CHECKS = 0;
+
+-- ----------------------------
+-- Table structure for new_pullreq
+-- ----------------------------
+DROP TABLE IF EXISTS `new_pullreq`;
+CREATE TABLE `new_pullreq`  (
+  `id` int(0) NOT NULL AUTO_INCREMENT,
+  `project_id` int(0) NOT NULL,
+  `github_id` int(0) NOT NULL,
+  `pull_request_id` int(0) NOT NULL,
+  `ownername` varchar(255) CHARACTER SET utf8mb3 COLLATE utf8mb3_general_ci NOT NULL,
+  `reponame` varchar(255) CHARACTER SET utf8mb3 COLLATE utf8mb3_general_ci NOT NULL,
+  `merged_or_not` int(0) NULL DEFAULT NULL,
+  `lifetime_minutes` float NULL DEFAULT NULL,
+  `mergetime_minutes` float NULL DEFAULT NULL,
+  `num_commits` int(0) NULL DEFAULT NULL,
+  `src_churn` int(0) NULL DEFAULT NULL,
+  `test_churn` int(0) NULL DEFAULT NULL,
+  `files_added` int(0) NULL DEFAULT NULL,
+  `files_deleted` int(0) NULL DEFAULT NULL,
+  `files_modified` int(0) NULL DEFAULT NULL,
+  `files_changed` int(0) NULL DEFAULT NULL,
+  `src_files` int(0) NULL DEFAULT NULL,
+  `doc_files` int(0) NULL DEFAULT NULL,
+  `other_files` int(0) NULL DEFAULT NULL,
+  `num_commit_comments` int(0) NULL DEFAULT NULL,
+  `num_issue_comments` int(0) NULL DEFAULT NULL,
+  `num_comments` int(0) NULL DEFAULT NULL,
+  `num_participants` int(0) NULL DEFAULT NULL,
+  `sloc` int(0) NULL DEFAULT NULL,
+  `team_size` int(0) NULL DEFAULT NULL,
+  `perc_external_contribs` float NULL DEFAULT NULL,
+  `commits_on_files_touched` int(0) NULL DEFAULT NULL,
+  `test_lines_per_kloc` float NULL DEFAULT NULL,
+  `test_cases_per_kloc` float NULL DEFAULT NULL,
+  `asserts_per_kloc` float NULL DEFAULT NULL,
+  `watchers` int(0) NULL DEFAULT NULL,
+  `prev_pullreqs` int(0) NULL DEFAULT NULL,
+  `requester_succ_rate` float NULL DEFAULT NULL,
+  `followers` int(0) NULL DEFAULT NULL,
+  `churn_addition` int(0) NULL DEFAULT NULL,
+  `churn_deletion` int(0) NULL DEFAULT NULL,
+  `pr_comment_num` int(0) NULL DEFAULT NULL,
+  `perc_neg_emotion` float NULL DEFAULT NULL,
+  `perc_pos_emotion` float NULL DEFAULT NULL,
+  `perc_neu_emotion` float NULL DEFAULT NULL,
+  `part_num_issue` int(0) NULL DEFAULT NULL,
+  `part_num_commit` int(0) NULL DEFAULT NULL,
+  `part_num_pr` int(0) NULL DEFAULT NULL,
+  `part_num_code` int(0) NULL DEFAULT NULL,
+  `comment_conflict` int(0) NULL DEFAULT NULL,
+  `hash_tag` int(0) NULL DEFAULT NULL,
+  `at_tag` int(0) NULL DEFAULT NULL,
+  `test_inclusion` int(0) NULL DEFAULT NULL,
+  `description_length` int(0) NULL DEFAULT NULL,
+  `bug_fix` int(0) NULL DEFAULT NULL,
+  `ci_exists` int(0) NULL DEFAULT NULL,
+  `ci_latency` int(0) NULL DEFAULT NULL,
+  `ci_build_num` int(0) NULL DEFAULT NULL,
+  `ci_test_passed` int(0) NULL DEFAULT NULL,
+  `ci_failed_perc` float NULL DEFAULT NULL,
+  `ci_first_build_status` varchar(20) CHARACTER SET utf8mb3 COLLATE utf8mb3_general_ci NULL DEFAULT NULL,
+  `ci_last_build_status` varchar(20) CHARACTER SET utf8mb3 COLLATE utf8mb3_general_ci NULL DEFAULT NULL,
+  `language` varchar(20) CHARACTER SET utf8mb3 COLLATE utf8mb3_general_ci NULL DEFAULT NULL,
+  `fork_num` int(0) NULL DEFAULT NULL,
+  `project_age` float NULL DEFAULT NULL,
+  `open_issue_num` int(0) NULL DEFAULT NULL,
+  `pr_succ_rate` float NULL DEFAULT NULL,
+  `open_pr_num` int(0) NULL DEFAULT NULL,
+  `first_response_time` int(0) NULL DEFAULT NULL,
+  `pushed_delta` float NULL DEFAULT NULL,
+  `acc_commit_num` int(0) NULL DEFAULT NULL,
+  `first_pr` int(0) NULL DEFAULT NULL,
+  `account_creation_days` int(0) NULL DEFAULT NULL,
+  `core_member` int(0) NULL DEFAULT NULL,
+  `contrib_gender` varchar(20) CHARACTER SET utf8mb3 COLLATE utf8mb3_general_ci NULL DEFAULT NULL,
+  `contrib_country` varchar(255) CHARACTER SET utf8mb3 COLLATE utf8mb3_general_ci NULL DEFAULT NULL,
+  `contrib_affiliation` varchar(255) CHARACTER SET utf8mb3 COLLATE utf8mb3_general_ci NULL DEFAULT NULL,
+  `contrib_open` float NULL DEFAULT NULL,
+  `contrib_cons` float NULL DEFAULT NULL,
+  `contrib_extra` float NULL DEFAULT NULL,
+  `contrib_agree` float NULL DEFAULT NULL,
+  `contrib_neur` float NULL DEFAULT NULL,
+  `perc_contrib_neg_emo` float NULL DEFAULT NULL,
+  `perc_contrib_pos_emo` float NULL DEFAULT NULL,
+  `perc_contrib_neu_emo` float NULL DEFAULT NULL,
+  `contrib_first_emo` varchar(20) CHARACTER SET utf8mb3 COLLATE utf8mb3_general_ci NULL DEFAULT NULL,
+  `prior_review_num` int(0) NULL DEFAULT NULL,
+  `inte_country` varchar(255) CHARACTER SET utf8mb3 COLLATE utf8mb3_general_ci NULL DEFAULT NULL,
+  `inte_affiliation` varchar(255) CHARACTER SET utf8mb3 COLLATE utf8mb3_general_ci NULL DEFAULT NULL,
+  `inte_open` float NULL DEFAULT NULL,
+  `inte_cons` float NULL DEFAULT NULL,
+  `inte_extra` float NULL DEFAULT NULL,
+  `inte_agree` float NULL DEFAULT NULL,
+  `inte_neur` float NULL DEFAULT NULL,
+  `perc_inte_neg_emo` float NULL DEFAULT NULL,
+  `perc_inte_pos_emo` float NULL DEFAULT NULL,
+  `perc_inte_neu_emo` float NULL DEFAULT NULL,
+  `inte_first_emo` varchar(20) CHARACTER SET utf8mb3 COLLATE utf8mb3_general_ci NULL DEFAULT NULL,
+  `contrib_follow_integrator` int(0) NULL DEFAULT NULL,
+  `prior_interaction` int(0) NULL DEFAULT NULL,
+  `social_strength` float NULL DEFAULT NULL,
+  `same_country` int(0) NULL DEFAULT NULL,
+  `same_affiliation` int(0) NULL DEFAULT NULL,
+  `open_diff` float NULL DEFAULT NULL,
+  `cons_diff` float NULL DEFAULT NULL,
+  `extra_diff` float NULL DEFAULT NULL,
+  `agree_diff` float NULL DEFAULT NULL,
+  `neur_diff` float NULL DEFAULT NULL,
+  `has_comments` int(0) NULL DEFAULT NULL,
+  `has_participants` int(0) NULL DEFAULT NULL,
+  `has_exchange` int(0) NULL DEFAULT NULL,
+  `contrib_comment` int(0) NULL DEFAULT NULL,
+  `inte_comment` int(0) NULL DEFAULT NULL,
+  `reviewer_comment` int(0) NULL DEFAULT NULL,
+  `other_comment` int(0) NULL DEFAULT NULL,
+  `num_comments_con` int(0) NULL DEFAULT NULL,
+  `num_code_comments` int(0) NULL DEFAULT NULL,
+  `num_code_comments_con` int(0) NULL DEFAULT NULL,
+  `integrator_availability` int(0) NULL DEFAULT NULL,
+  `friday_effect` int(0) NULL DEFAULT NULL,
+  `contrib_rate_author` float NULL DEFAULT NULL,
+  `reopen_or_not` int(0) NULL DEFAULT NULL,
+  `first_close_minutes` float NULL DEFAULT NULL,
+  `reopen_num` int(0) NULL DEFAULT NULL,
+  `last_close_time` datetime(0) NULL DEFAULT NULL,
+  `creator_id` int(0) NULL DEFAULT NULL,
+  `first_closer_id` int(0) NULL DEFAULT NULL,
+  `last_closer_id` int(0) NULL DEFAULT NULL,
+  `num_commits_open` int(0) NULL DEFAULT NULL,
+  `same_user` int(0) NULL DEFAULT NULL,
+  `files_added_open` int(0) NULL DEFAULT NULL,
+  `files_deleted_open` int(0) NULL DEFAULT NULL,
+  `files_modified_open` int(0) NULL DEFAULT NULL,
+  `files_changed_open` int(0) NULL DEFAULT NULL,
+  `src_files_open` int(0) NULL DEFAULT NULL,
+  `doc_files_open` int(0) NULL DEFAULT NULL,
+  `other_files_open` int(0) NULL DEFAULT NULL,
+  `src_churn_open` int(0) NULL DEFAULT NULL,
+  `test_churn_open` int(0) NULL DEFAULT NULL,
+  `code_churn_open` int(0) NULL DEFAULT NULL,
+  `churn_addition_open` int(0) NULL DEFAULT NULL,
+  `churn_deletion_open` int(0) NULL DEFAULT NULL,
+  `code_chunk_num_open` int(0) NULL DEFAULT NULL,
+  `commits_on_files_touched_close` int(0) NULL DEFAULT NULL,
+  `test_inclusion_open` int(0) NULL DEFAULT NULL,
+  PRIMARY KEY (`id`) USING BTREE,
+  INDEX `project_github_id`(`project_id`, `github_id`) USING BTREE,
+  INDEX `pull_request_id`(`pull_request_id`) USING BTREE,
+  INDEX `merge`(`merged_or_not`) USING BTREE,
+  INDEX `same_user`(`same_user`) USING BTREE,
+  INDEX `merged_or_not`(`merged_or_not`) USING BTREE,
+  INDEX `contrib_affiliation`(`contrib_affiliation`) USING BTREE,
+  INDEX `inte_affiliation`(`inte_affiliation`) USING BTREE,
+  INDEX `team_size`(`team_size`) USING BTREE
+) ENGINE = InnoDB AUTO_INCREMENT = 3347938 CHARACTER SET = utf8mb3 COLLATE = utf8mb3_general_ci ROW_FORMAT = Dynamic;
+
+SET FOREIGN_KEY_CHECKS = 1;