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Virtualize search results - only render what's visible

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This commit is contained in:
Scott Nonnenberg
2019-08-08 17:46:49 -07:00
parent 9d4f2afa5a
commit 6292019d30
19 changed files with 1633 additions and 438 deletions
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68
app/sql.js
View File

@@ -1017,6 +1017,69 @@ async function updateToSchemaVersion17(currentVersion, instance) {
}
}
async function updateToSchemaVersion18(currentVersion, instance) {
if (currentVersion >= 18) {
return;
}
console.log('updateToSchemaVersion18: starting...');
await instance.run('BEGIN TRANSACTION;');
try {
// Delete and rebuild full-text search index to capture everything
await instance.run('DELETE FROM messages_fts;');
await instance.run(
"INSERT INTO messages_fts(messages_fts) VALUES('rebuild');"
);
await instance.run(`
INSERT INTO messages_fts(id, body)
SELECT id, body FROM messages WHERE isViewOnce IS NULL OR isViewOnce != 1;
`);
// Fixing full-text triggers
await instance.run('DROP TRIGGER messages_on_insert;');
await instance.run('DROP TRIGGER messages_on_update;');
await instance.run(`
CREATE TRIGGER messages_on_insert AFTER INSERT ON messages
WHEN new.isViewOnce IS NULL OR new.isViewOnce != 1
BEGIN
INSERT INTO messages_fts (
id,
body
) VALUES (
new.id,
new.body
);
END;
`);
await instance.run(`
CREATE TRIGGER messages_on_update AFTER UPDATE ON messages
WHEN new.isViewOnce IS NULL OR new.isViewOnce != 1
BEGIN
DELETE FROM messages_fts WHERE id = old.id;
INSERT INTO messages_fts(
id,
body
) VALUES (
new.id,
new.body
);
END;
`);
await instance.run('PRAGMA schema_version = 18;');
await instance.run('COMMIT TRANSACTION;');
console.log('updateToSchemaVersion18: success!');
} catch (error) {
await instance.run('ROLLBACK;');
throw error;
}
}
const SCHEMA_VERSIONS = [
updateToSchemaVersion1,
updateToSchemaVersion2,
@@ -1035,6 +1098,7 @@ const SCHEMA_VERSIONS = [
updateToSchemaVersion15,
updateToSchemaVersion16,
updateToSchemaVersion17,
updateToSchemaVersion18,
];
async function updateSchema(instance) {
@@ -1552,7 +1616,7 @@ async function searchConversations(query, { limit } = {}) {
$id: `%${query}%`,
$name: `%${query}%`,
$profileName: `%${query}%`,
$limit: limit || 50,
$limit: limit || 100,
}
);
@@ -1572,7 +1636,7 @@ async function searchMessages(query, { limit } = {}) {
LIMIT $limit;`,
{
$query: query,
$limit: limit || 100,
$limit: limit || 500,
}
);