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mssql - incremental analysis

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This commit is contained in:
Jan Prochazka
2020-04-11 20:24:30 +02:00
parent eb0c2f04bd
commit fae97a8b4a
12 changed files with 288 additions and 87 deletions
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18
packages/api/src/proc/databaseConnectionProcess.js
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@@ -4,11 +4,21 @@ const driverConnect = require('../utility/driverConnect');
let systemConnection;
let storedConnection;
let afterConnectCallbacks = [];
let analysedStructure = null;
async function handleFullRefresh() {
const driver = engines(storedConnection);
const structure = await driver.analyseFull(systemConnection);
process.send({ msgtype: 'structure', structure });
analysedStructure = await driver.analyseFull(systemConnection);
process.send({ msgtype: 'structure', structure: analysedStructure });
}
async function handleIncrementalRefresh() {
const driver = engines(storedConnection);
const newStructure = await driver.analyseIncremental(systemConnection, analysedStructure);
if (newStructure != null) {
analysedStructure = newStructure;
process.send({ msgtype: 'structure', structure: analysedStructure });
}
}
async function handleConnect(connection) {
@@ -17,7 +27,7 @@ async function handleConnect(connection) {
const driver = engines(storedConnection);
systemConnection = await driverConnect(driver, storedConnection);
handleFullRefresh();
setInterval(handleFullRefresh, 30 * 1000);
setInterval(handleIncrementalRefresh, 10 * 1000);
for (const [resolve] of afterConnectCallbacks) {
resolve();
}
@@ -57,7 +67,7 @@ async function handleMessage({ msgtype, ...other }) {
}
function start() {
process.on('message', async message => {
process.on('message', async (message) => {
try {
await handleMessage(message);
} catch (e) {