The EXTRA sync mode is like FULL sync mode with the addition that the directory containing a rollback journal is synced after that journal is unlinked to commit a transaction in DELETE journal mode. C# 複製 [And
//配置线程模式(在创建数据库文件配置) ConfigThreadMode(m_pTDbCfg->bThrdCfgMode); //见下源码 //创建数据库文件 CreateDb(m_pTDbCfg->pszDbPathFileName); //见下源码 AutoVacuum(m_pTDbCfg->bAutoVaccum); SyncPragmaMode(m_pTDbCfg->bSyncMode); JournalModePragma(m_pTDbCfg->pszJurMode); } 1....
** Possibly for a pager not in no-sync mode, the journal magic should not ** be written until nRec is filled in as part of next syncJournal(). ** ** Actually maybe the whole journal header should be delayed until that ** point. Think about this. */ memcpy(zHeader, aJournalMagic,...
直到没有 while(true) { // 读取buffer容量的内容 let readLength = fs.readSync(...
In WAL mode when synchronous is NORMAL (1), the WAL file is synchronized before each checkpoint and the database file is synchronized after each completed checkpoint and the WAL file header is synchronized when a WAL file begins to be reused after a checkpoint, but no sync operations occur ...
Level1isthe sameasasynchronous (no syncs() occur and thereisa high probability of damage). Thisisthe equivalent to pragma synchronous=OFF. Level2isthedefault. Thereisa very low but non-zero probability of damage. Thisisthe equivalent to pragma ...
AMPLI-SYNC is a framework for synchronizing data between a Sqlite database and an MS SQL/MySQL/Oracle/PostgreSQL database. With this framework your application can work completely offline (Airplane Mode), then perform an automated Bidirectional Synchronization when an internet connection becomes availabl...
fiinfiDb3){csb.Clear();csb.DataSource=fi.FullName;csb.Password="P@$$w0rd";csb.SyncMode=...
use rusqlite::{Connection, ToSql};use std::sync::mpsc;use std::sync::mpsc::{Receiver, Sender};use std::thread;mod common;static MIN_BATCH_SIZE: i64 = 50;enum ParamValues {WithArea(Vec<(String, i8, i8)>),WithoutArea(Vec<(i8, i8)>),}fn consumer(rx: Receiver<ParamValues>) {let...
6)从csv导入数据(eg: .mode csv .import /Users/alexe/Desktop/test/xytest11.csv stua) sqlite3终端Mac 扩展知识 1)外键,指定一个表中的值也出现在另一个表中。 2)内连接-联表查询SELECT * FROM tableA INNER JOIN tableB on tableA.column = tableB.column (eg:SELECT * FROM tbn_sync_conf_loca...