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Code Issues Releases Wiki Activity

Start prototyping some tiddler operations in sql

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jeremy@jermolene.com 2023-06-23 14:47:35 +01:00
parent 6f24f33a3d
commit c43bc8f92a
1 changed files with 35 additions and 3 deletions
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38
plugins/tiddlywiki/sqlite3store/rawmarkup.js
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@ -18,10 +18,8 @@ $tw.boot.preloadDirty = $tw.boot.preloadDirty || [];
$tw.boot.suppressBoot = true; $tw.boot.suppressBoot = true;
$tw.Wiki = function(options) { $tw.Wiki = function(options) {
var capi = $tw.sqlite3.capi, // C-style API
oo = $tw.sqlite3.oo1; // High-level OO API
// Create a test database and store and retrieve some data // Create a test database and store and retrieve some data
var db = new oo.DB("/tiddlywiki.sqlite3","ct"); var db = new $tw.sqlite3.oo1.DB("/tiddlywiki.sqlite3","ct");
db.exec({ db.exec({
sql:"CREATE TABLE IF NOT EXISTS t(a,b)" sql:"CREATE TABLE IF NOT EXISTS t(a,b)"
}); });
@ -40,6 +38,40 @@ $tw.Wiki = function(options) {
resultRows: resultRows resultRows: resultRows
}); });
console.log("Result rows:",JSON.stringify(resultRows,undefined,2)); console.log("Result rows:",JSON.stringify(resultRows,undefined,2));
// Basic tiddler operations
db.exec({
sql: "CREATE TABLE IF NOT EXISTS tiddlers (title TEXT PRIMARY KEY,meta TEXT,text TEXT)"
});
function sqlSaveTiddler(tiddlerFields) {
db.exec({
sql: "replace into tiddlers(title,meta,text) values ($title,$meta,$text)",
bind: {
$title: tiddlerFields.title,
$meta: JSON.stringify(Object.assign({},tiddlerFields,{title: undefined, text: undefined})),
$text: tiddlerFields.text || ""
}
});
}
function sqlGetTiddler(title) {
let resultRows = [];
db.exec({
sql: "select title, meta, text from tiddlers where title = $title",
bind: {
$title: title
},
rowMode: "object",
resultRows: resultRows
});
if(resultRows.length > 0) {
return Object.assign({},JSON.parse(resultRows[0].meta),{title: resultRows[0].title, text: resultRows[0].text});
} else {
return undefined;
}
}
sqlSaveTiddler({title: "HelloThere", text: "One"});
console.log(sqlGetTiddler("HelloThere"));
sqlSaveTiddler({title: "HelloThere", text: "Two"});
console.log(sqlGetTiddler("HelloThere"));
// Plain JS wiki store implementation follows // Plain JS wiki store implementation follows
options = options || {}; options = options || {};
var self = this, var self = this,