refs #5977 First commit

.gitignore

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+/node_modules
+sqlite.db

README.md

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+# sqlite-analyzer
+This code is a simple SQLite database analyzer that retrieves the names of all tables in a SQLite database file. It then iterates over each table and retrieves the count of columns for each table. If a table has more than 50000 columns, it logs the table name along with the column count to the console.
+
+## Requeriments
+
+* Git
+* Nodejs
+
+## Installation
+
+Pull from repository.
+```
+$ git clone https://gitea.verdnatura.es/guillermo/sqlite-analyzer.git
+```
+
+Run this commands on project root directory to install Node dependencies.
+
+```
+$ npm install
+```
+
+Copy your database (example.db) into project folder with the name sqlite.db
+
+## How to run
+Execute this command in project path.
+```
+$ node main
+```
+
+## Built With
+
+* [Git](https://git-scm.com/)
+* [Nodejs](https://nodejs.org/)

main.js

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+const sqlite3 = require('sqlite3').verbose();
+
+const sqliteFile = 'sqlite.db';
+
+function getTables() {
+	return new Promise((resolve, reject) => {
+		const db = new sqlite3.Database(sqliteFile);
+
+		db.all("SELECT name FROM sqlite_master WHERE type='table' ORDER BY name ASC", (err, tables) => {
+			if (err)
+				reject(err);
+			else
+				resolve(tables.map(r => r.name).sort((a, b) => a.localeCompare(b)));
+		});
+
+		db.close();
+	});
+};
+
+function getColumns(tableName) {
+	return new Promise((resolve, reject) => {
+		const db = new sqlite3.Database(sqliteFile);
+
+		db.all(`SELECT COUNT(*) NUM FROM ${tableName}`, (err, columns) => {
+		if (err)
+			reject(err);
+		else
+			resolve(columns[0].num);
+		});
+
+		db.close();
+	});
+}
+
+async function run() {
+try {
+	const tables = await getTables();
+
+	for (const table of tables) {
+		const columns = await getColumns(table);
+		if (columns > 50000)
+			console.log(table + '.' + columns);
+	}
+} catch (err) {
+	console.error(err);
+}
+}
+
+run();

package.json

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+{
+  "dependencies": {
+    "sqlite3": "^5.1.6"
+  }
+}