These indexes weren't helping in practice, so remove them. Avoid some queries during a full refresh to load in maybe 1/3rd the time.
git-svn-id: https://www.unprompted.com/svn/projects/tildefriends/trunk@3800 ed5197a5-7fde-0310-b194-c3ffbd925b24
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@ -1 +1 @@
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{"type":"tildefriends-app","files":{"app.js":"&ZPex8H1nwzrEHSgi5SkvfTlSzSIutT6iHOY08LWkwZg=.sha256","index.html":"&H2L4kR9xDS6oS7EDpesDCDB3JXDjcLTBg9XoR2mZaZw=.sha256","vue-material.js":"&K5cdLqXYCENPak/TCINHQhyJhpS4G9DlZHGwoh/LF2g=.sha256","tf-user.js":"&DdJwZYEo7AqFyutYMvEjykoVXxdHVog0UXye6Sbo0TU=.sha256","tf-message.js":"&3dPiSNYjoJE3zn1oTT1SBhbvkW9MHr7ZUDxUJiBI1Ss=.sha256","tf.js":"&RAwMitnSkY+F3lDbyXAvWYT1QOX0lUsNZC+JE7KW4JM=.sha256","commonmark.min.js":"&EP0OeR9zyLwZannz+0ga4s9AGES2RLvvIIQYHqqV6+k=.sha256","vue.js":"&g1wvA+yHl1sVC+eufTsg9If7ZeVyMTBU+h0tks7ZNzE=.sha256","vue-material-theme-default-dark.css":"&RP2nr+2CR18BpHHw5ST9a5GJUCOG9n0G2kuGkcQioWE=.sha256","vue-material.min.css":"&kGbUM2QgFSyHZRzqQb0b+0S3EVIlZ0AXpdiAVjIhou8=.sha256","roboto.css":"&jJv43Om673mQO5JK0jj7714s5E+5Yrf82H6LcDx7wUs=.sha256","material-icons.css":"&a28PdcVvgq/DxyIvJAx/e+ZOEtOuHnr3kjLWKyzH11M=.sha256","tf-shared.js":"&+qPP3g4CAUlkt8K4iBCZ+F5Fy6N7fu6MggvSVss2juE=.sha256"}}
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{"type":"tildefriends-app","files":{"app.js":"&OOcUHSIAA6CR2dYSv2BwOMBZ1hjFg+PJZPABhZMe1Gc=.sha256","index.html":"&H2L4kR9xDS6oS7EDpesDCDB3JXDjcLTBg9XoR2mZaZw=.sha256","vue-material.js":"&K5cdLqXYCENPak/TCINHQhyJhpS4G9DlZHGwoh/LF2g=.sha256","tf-user.js":"&DdJwZYEo7AqFyutYMvEjykoVXxdHVog0UXye6Sbo0TU=.sha256","tf-message.js":"&3dPiSNYjoJE3zn1oTT1SBhbvkW9MHr7ZUDxUJiBI1Ss=.sha256","tf.js":"&RAwMitnSkY+F3lDbyXAvWYT1QOX0lUsNZC+JE7KW4JM=.sha256","commonmark.min.js":"&EP0OeR9zyLwZannz+0ga4s9AGES2RLvvIIQYHqqV6+k=.sha256","vue.js":"&g1wvA+yHl1sVC+eufTsg9If7ZeVyMTBU+h0tks7ZNzE=.sha256","vue-material-theme-default-dark.css":"&RP2nr+2CR18BpHHw5ST9a5GJUCOG9n0G2kuGkcQioWE=.sha256","vue-material.min.css":"&kGbUM2QgFSyHZRzqQb0b+0S3EVIlZ0AXpdiAVjIhou8=.sha256","roboto.css":"&jJv43Om673mQO5JK0jj7714s5E+5Yrf82H6LcDx7wUs=.sha256","material-icons.css":"&a28PdcVvgq/DxyIvJAx/e+ZOEtOuHnr3kjLWKyzH11M=.sha256","tf-shared.js":"&+qPP3g4CAUlkt8K4iBCZ+F5Fy6N7fu6MggvSVss2juE=.sha256"}}
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@ -7,8 +7,9 @@ var g_ready = false;
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var g_selected = null;
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var g_following_cache = {};
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var g_followers_cache = {};
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var g_following_deep_cache = {};
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var g_stats = {};
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var g_sequence = {};
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async function following(db, id) {
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if (g_following_cache[id]) {
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@ -41,6 +42,7 @@ async function following(db, id) {
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f.users.delete(row.contact);
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}
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f.sequence = row.sequence;
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g_sequence[id] = row.sequence;
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});
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var as_set = f.users;
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f.users = Array.from(f.users).sort();
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@ -76,34 +78,38 @@ async function getAbout(db, id) {
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if (!f || f.version != k_version) {
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f = {about: {}, sequence: 0, version: k_version};
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}
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await ssb.sqlStream(
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"SELECT "+
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" sequence, "+
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" content "+
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"FROM messages "+
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"WHERE "+
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" sequence > ?1 AND "+
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" author = ?2 AND "+
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" json_extract(content, '$.type') = 'about' AND "+
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" json_extract(content, '$.about') = author "+
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"UNION SELECT MAX(sequence) as sequence, NULL FROM messages WHERE author = ?2 "+
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"ORDER BY sequence",
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[f.sequence, id],
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function(row) {
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f.sequence = row.sequence;
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if (row.content) {
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var about = {};
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try {
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about = JSON.parse(row.content);
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} catch {
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if (g_sequence[id] > f.sequence) {
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await ssb.sqlStream(
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"SELECT "+
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" sequence, "+
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" content "+
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"FROM messages "+
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"WHERE "+
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" author = ?1 AND "+
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" sequence > ?2 AND "+
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" json_extract(content, '$.type') = 'about' AND "+
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" json_extract(content, '$.about') = ?1 "+
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"UNION SELECT MAX(sequence) as sequence, NULL FROM messages WHERE author = ?1 "+
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"ORDER BY sequence",
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[id, f.sequence],
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function(row) {
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g_stats.rows_read = (g_stats.rows_read || 0) + 1;
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f.sequence = row.sequence;
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if (row.content) {
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var about = {};
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try {
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about = JSON.parse(row.content);
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} catch {
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}
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delete about.about;
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delete about.type;
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f.about = Object.assign(f.about, about);
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}
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delete about.about;
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delete about.type;
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f.about = Object.assign(f.about, about);
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}
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});
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});
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}
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var j = JSON.stringify(f);
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if (o != j) {
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g_stats.rows_written = (g_stats.rows_written || 0) + 1;
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await db.set(id + ":about", j);
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}
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return f.about;
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@ -250,27 +256,29 @@ async function getVotes(db, id) {
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if (!f || f.version != k_version) {
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f = {votes: [], sequence: 0, version: k_version};
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}
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await ssb.sqlStream(
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"SELECT "+
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" author, "+
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" id, "+
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" sequence, "+
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" timestamp, "+
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" content "+
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"FROM messages "+
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"WHERE "+
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" author = ? AND "+
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" sequence > ? AND "+
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" json_extract(content, '$.type') = 'vote' "+
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"UNION SELECT NULL, NULL, MAX(sequence), NULL, NULL FROM messages WHERE author = ? "+
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"ORDER BY sequence DESC LIMIT ?",
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[f.sequence, id, id, k_votes_max],
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function(row) {
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if (row.id) {
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votes.push(row);
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}
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f.sequence = Math.max(f.sequence, row.sequence);
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});
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if (g_sequence[id] > f.sequence) {
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await ssb.sqlStream(
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"SELECT "+
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" author, "+
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" id, "+
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" sequence, "+
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" timestamp, "+
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" content "+
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"FROM messages "+
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"WHERE "+
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" author = ? AND "+
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" sequence > ? AND "+
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" json_extract(content, '$.type') = 'vote' "+
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"UNION SELECT NULL, NULL, MAX(sequence), NULL, NULL FROM messages WHERE author = ? "+
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"ORDER BY sequence DESC LIMIT ?",
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[f.sequence, id, id, k_votes_max],
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function(row) {
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if (row.id) {
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votes.push(row);
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}
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f.sequence = Math.max(f.sequence, row.sequence);
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});
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}
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f.votes = [].concat(votes, f.votes).slice(0, k_votes_max);
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var j = JSON.stringify(f);
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if (o != j) {
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@ -308,8 +316,8 @@ async function refresh(selected) {
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var timing = [];
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timing.push({name: 'start', time: new Date()});
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g_following_cache = {};
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g_followers_cache = {};
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g_following_deep_cache = {};
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g_sequence = {};
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await app.postMessage({clear: true});
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var whoami = await ssb.whoami();
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var db = await database("ssb");
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@ -353,13 +361,24 @@ async function refresh(selected) {
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timing.push({name: 'get_root_posts', time: new Date()});
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await Promise.all(all_posts.map(x => app.postMessage({message: x})));
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timing.push({name: 'send_posts', time: new Date()});
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await Promise.all(all_followed.map(id => getAbout(db, id).then(results => app.postMessage({user: {user: id, about: results}}))));
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await Promise.all(all_followed.map(id => getAbout(db, id).then(results => Object.keys(results).length ? app.postMessage({user: {user: id, about: results}}) : null)));
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timing.push({name: 'about', time: new Date()});
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await Promise.all(all_followed.map(id => getVotes(db, id).then(results => results.length ? app.postMessage({votes: results}) : null)));
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timing.push({name: 'votes', time: new Date()});
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await Promise.all(all_followed.map(id => following(db, id).then(results => app.postMessage({following: {id: id, users: [...results]}}))));
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await all_followed.map(
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id => app.postMessage(
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{
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following: {
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id: id,
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users: [...(g_following_cache[id] || [])],
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}
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}
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)
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);
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timing.push({name: 'following', time: new Date()});
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print(JSON.stringify(g_stats));
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var times = {};
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var previous = null;
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for (let t of timing) {
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@ -30,8 +30,6 @@ void tf_ssb_db_init(tf_ssb_t* ssb)
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sqlite3_exec(db, "CREATE INDEX IF NOT EXISTS messages_author_id_index ON messages (author, id)", NULL, NULL, NULL);
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sqlite3_exec(db, "CREATE INDEX IF NOT EXISTS messages_author_sequence_index ON messages (author, sequence)", NULL, NULL, NULL);
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sqlite3_exec(db, "CREATE INDEX IF NOT EXISTS messages_author_timestamp_index ON messages (author, timestamp)", NULL, NULL, NULL);
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sqlite3_exec(db, "CREATE INDEX IF NOT EXISTS messages_author_type_sequence_index ON messages (author, json_extract(content, '$.type'), sequence)", NULL, NULL, NULL);
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sqlite3_exec(db, "CREATE INDEX IF NOT EXISTS messages_author_type_timestamp_index ON messages (author, json_extract(content, '$.type'), timestamp)", NULL, NULL, NULL);
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sqlite3_exec(db,
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"CREATE TABLE IF NOT EXISTS blobs ("
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" id TEXT PRIMARY KEY,"
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