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Code Issues Releases Wiki Activity

Add indexes for columns used in joins

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Doesn't actually appear to make any appreciable difference
This commit is contained in:
Jeremy Ruston 2023-10-25 11:38:08 +01:00
parent f49b9faab0
commit 12c6cb35a0
1 changed files with 6 additions and 1 deletions
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7
plugins/tiddlywiki/sqlite3store/sql-functions.js
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@ -49,6 +49,7 @@ $tw.SqlFunctions = function(options) {
priority INTEGER NOT NULL,
PRIMARY KEY(plugintitle)
);
CREATE INDEX IF NOT EXISTS plugins_plugintitle_index ON plugins(plugintitle);
DROP TABLE IF EXISTS tiddlers;
CREATE TABLE tiddlers (
title TEXT NOT NULL ${COLLATION_CLAUSE},
@ -57,13 +58,16 @@ $tw.SqlFunctions = function(options) {
text TEXT NOT NULL,
PRIMARY KEY(title,plugintitle)
);
CREATE INDEX tiddlers_title_index ON tiddlers(title);
CREATE INDEX IF NOT EXISTS tiddlers_title_index ON tiddlers(title);
CREATE INDEX IF NOT EXISTS tiddlers_plugintitle_index ON tiddlers(plugintitle);
DROP TABLE IF EXISTS titles;
CREATE TABLE titles (
title TEXT NOT NULL ${COLLATION_CLAUSE},
plugintitle TEXT NOT NULL, -- Empty string for tiddlers that are not part of a plugin
PRIMARY KEY(title)
);
CREATE INDEX IF NOT EXISTS titles_title_index ON titles(title);
CREATE INDEX IF NOT EXISTS titles_plugintitle_index ON titles(plugintitle);
DROP TABLE IF EXISTS tags;
CREATE TABLE tags (
tag_id INTEGER PRIMARY KEY,
@ -78,6 +82,7 @@ $tw.SqlFunctions = function(options) {
FOREIGN KEY (tag_id) REFERENCES tags (tag_id) ON DELETE CASCADE ON UPDATE CASCADE,
PRIMARY KEY (title, plugintitle, tag_id)
);
CREATE INDEX IF NOT EXISTS tiddler_tags_tag_id_index ON tiddler_tags(tag_id);
`
});
/*