step1 在ubuntu系统安装pgloader（centos系统难以直接通过yum安装，如果源码安装的话，会比较费劲）
step2，执行如下python脚本
from pathlib import Path
import subprocess
dataset_dir = Path('/app/sqlite_to_pg/chase-page/data/database/')
遍历目录获取所有文件路径
file_paths = [str(p.absolute()) for p in dataset_dir.rglob('*') if p.is_file()]
for fn in file_paths:
创建或更新 a.load 文件内容
load_file_content = f"""
LOAD DATABASE
FROM sqlite://{fn}
INTO pgsql://postgres@192.168.1.14:5432/tablegpt_test_chase
WITH include drop, -- 在导入前删除已存在的表
create tables, -- 自动创建目标表
create indexes, -- 创建索引
reset sequences -- 重置序列
CAST
type number to text,
type time to text,
type string to text;
"""
写入 a.load 文件
with open('a.load', 'w') as file:
file.write(load_file_content)
执行 pgloader 命令
command = ['pgloader', 'a.load']
try:
result = subprocess.run(command, check=True, stdout=subprocess.PIPE, stderr=subprocess.PIPE, text=True)
print("Command executed successfully")
print("Output:", result.stdout)
except subprocess.CalledProcessError as e:
print("An error occurred while executing the command:")
print("Exit status:", e.returncode)
print("Error output:", e.stderr)