#coding:utf8

import psycopg2
import codecs

conn = psycopg2.connect(dbname="BiddingKM_test_10000",user="postgres",password="postgres",host="192.168.2.101")
    
cursor = conn.cursor()

cursor.execute(" select distinct id from articles ")

all_doc_id = cursor.fetchall()

for doc_id in all_doc_id:
    cursor.execute(" select sentence_text from sentences where doc_id='"+str(doc_id[0])+"' order by sentence_index ")
    all_sentence = cursor.fetchall()
    with codecs.open("export_article/"+str(doc_id[0])+".txt","w",encoding="utf8") as f:
        for sentence in all_sentence:
            f.write(sentence[0])
            f.write("\n")
            
        f.flush()
        f.close()