先核來源與已訂規則
本例本地腳本建備註表,再插 a;b 及 c。引號內分號是資料,不是語句界。更正整份生成腳本交 SQLite;資料單引號加倍,只生成此固定本地建表及插入形狀。
| 紀錄 | 輸入 JSON |
|---|---|
| 原例輸入 | {"memos":["a;b","c"]} |
比較兩條實際路徑
隨便按分號拆,首值引號未完便失敗,沒有資料行。更正目標照次序有兩個原備註。
| 路徑 | 輸出 JSON |
|---|---|
| 錯誤路徑 | {"error":{"code":1},"records":[]} |
| 更正路徑 | {"error":null,"records":[{"memo":"a;b"},{"memo":"c"}]} |
import {DatabaseSync} from 'node:sqlite';
import {TextDecoder} from 'node:util';
import {inflateSync} from 'node:zlib';
import {posix} from 'node:path';
import {createHash} from 'node:crypto';
const rows=(db,sql)=>db.prepare(sql).all().map(r=>({...r}));
const failed=(action)=>{try{action();return null;}catch(e){return {code:e.errcode??e.code??e.name};}};
import assert from 'node:assert/strict';
const run=function run(i,corrected=true){
const db=new DatabaseSync(':memory:');try{const quoted=s=>"'"+s.replace(/'/g,"''")+"'";const script='CREATE TABLE target(memo TEXT);'+i.memos.map(m=>'INSERT INTO target VALUES('+quoted(m)+');').join('');
const error=failed(()=>{if(corrected)db.exec(script);else for(const fragment of script.split(';'))if(fragment.trim())db.exec(fragment);});
return {error,records:rows(db,'SELECT * FROM target ORDER BY rowid')};
}finally{db.close();}
};
const cases=[{"label":"misleading base","input":{"memos":["a;b","c"]},"expected":{"error":{"code":1},"records":[]},"corrected":false},{"label":"corrected base","input":{"memos":["a;b","c"]},"expected":{"error":null,"records":[{"memo":"a;b"},{"memo":"c"}]},"corrected":true},{"label":"escaped quote and semicolon","input":{"memos":["O'Neil;next"]},"expected":{"error":null,"records":[{"memo":"O'Neil;next"}]},"corrected":true},{"label":"no data statements","input":{"memos":[]},"expected":{"error":null,"records":[]},"corrected":true}];
for(const test of cases){
const actual=run(test.input,test.corrected);
assert.deepEqual(actual,test.expected,test.label);
console.log(test.label,actual);
}
下次載入前核邊界
O'Neil;next 的單引號及分號都保;沒有備註輸入,則建空目標,不發插入句。
| 情況 | 輸入 JSON | 預期輸出 JSON |
|---|---|---|
| 資料含單引號及分號 | {"memos":["O'Neil;next"]} | {"error":null,"records":[{"memo":"O'Neil;next"}]} |
| 沒有備註插入紀錄 | {"memos":[]} | {"error":null,"records":[]} |
a;b 應拆兩句,還是存一個備註?
查看參考答案
一個備註,分號在引號內,引擎會保 a;b,不把它當句界。