import re

with open('e:/Base/sj/sj.sql', 'r', encoding='utf-8') as f:
    content = f.read()

tables = [
    'main_post_candidate_review',
    'main_student_education',
    'main_student_experience',
    'main_back_interview',
]

with open('_schema_out.txt', 'w', encoding='utf-8') as fout:
    for table in tables:
        match = re.search(r'CREATE TABLE `' + table + r'`\s*\((.*?)\)\s*ENGINE', content, re.DOTALL | re.IGNORECASE)
        if match:
            fout.write(f"=== {table} ===\n")
            lines = match.group(1).strip().split('\n')
            for line in lines:
                line = line.strip()
                if line and not line.startswith('PRIMARY KEY') and not line.startswith('KEY') and not line.startswith('UNIQUE KEY'):
                    fout.write(line + "\n")
        else:
            fout.write(f"=== {table} NOT FOUND ===\n")