refactoring of joins for search

This commit is contained in:
zadam 2019-03-16 19:57:39 +01:00
parent 2326eb85f1
commit 3ee33e1024
3 changed files with 66 additions and 58 deletions

View File

@ -13,7 +13,7 @@ const $searchResultsInner = $("#search-results-inner");
const $closeSearchButton = $("#close-search-button");
function showSearch() {
$searchBox.show();
$searchBox.slideDown();
$searchInput.focus();
}
@ -21,7 +21,7 @@ function hideSearch() {
resetSearch();
$searchResults.hide();
$searchBox.hide();
$searchBox.slideUp();
}
function toggleSearch() {

View File

@ -1,78 +1,94 @@
const VIRTUAL_ATTRIBUTES = ["dateCreated", "dateCreated", "dateModified", "utcDateCreated", "utcDateModified", "isProtected", "title", "content", "type", "mime", "text"];
function getValueForFilter(filter, i) {
return VIRTUAL_ATTRIBUTES.includes(filter.name) ? `notes.${filter.name}` :`attribute${i}.value`;
}
module.exports = function(filters) {
// alias => join
const joins = {
"notes": null
};
function getAccessor(property) {
let accessor;
if (!VIRTUAL_ATTRIBUTES.includes(property)) {
const alias = "attr_" + property;
if (!(alias in joins)) {
joins[alias] = `LEFT JOIN attributes AS ${alias} `
+ `ON ${alias}.noteId = notes.noteId `
+ `AND ${alias}.name = '${property}' AND ${alias}.isDeleted = 0`;
}
accessor = `${alias}.value`;
}
else if (property === 'content') {
const alias = "note_content";
if (!(alias in joins)) {
// FIXME: this will fail if there's more instances of content
joins[alias] = `JOIN note_contents ON note_contents.noteId = notes.noteId`;
}
accessor = `${alias}.${property}`;
}
else if (property === 'text') {
const alias = "note_fulltext";
if (!(alias in joins)) {
// FIXME: this will fail if there's more instances of content
joins[alias] = `JOIN note_fulltext ON note_fulltext.noteId = notes.noteId`;
}
accessor = alias;
}
else {
accessor = "notes." + property;
}
return accessor;
}
module.exports = function(attributeFilters) {
const joins = [];
const joinParams = [];
let where = '1';
const whereParams = [];
let i = 1;
for (const filter of attributeFilters) {
const virtual = VIRTUAL_ATTRIBUTES.includes(filter.name);
if (!virtual) {
joins.push(`LEFT JOIN attributes AS attribute${i} `
+ `ON attribute${i}.noteId = notes.noteId `
+ `AND attribute${i}.name = ? AND attribute${i}.isDeleted = 0`
);
joinParams.push(filter.name);
}
else if (filter.name === 'content') {
// FIXME: this will fail if there's more instances of content
joins.push(`JOIN note_contents ON note_contents.noteId = notes.noteId`);
filter.name = 'note_contents.content';
}
else if (filter.name === 'text') {
// FIXME: this will fail if there's more instances of content
joins.push(`JOIN note_fulltext ON note_fulltext.noteId = notes.noteId`);
}
const params = [];
for (const filter of filters) {
where += " " + filter.relation + " ";
// the value we need to test
const test = virtual ? filter.name : `attribute${i}.attributeId`;
const accessor = getAccessor(filter.name);
if (filter.operator === 'exists') {
where += `${test} IS NOT NULL`;
where += `${accessor} IS NOT NULL`;
}
else if (filter.operator === 'not-exists') {
where += `${test} IS NULL`;
where += `${accessor} IS NULL`;
}
else if (filter.operator === '=' || filter.operator === '!=') {
if (filter.name === 'text') {
const safeSearchText = utils.sanitizeSql(filter.value);
where += (filter.operator === '!=' ? 'NOT ' : '') + `MATCH '${safeSearchText}'`;
where += accessor + ' ' + (filter.operator === '!=' ? 'NOT ' : '') + `MATCH '${safeSearchText}'`;
}
else {
where += `${getValueForFilter(filter, i)} ${filter.operator} ?`;
whereParams.push(filter.value);
where += `${accessor} ${filter.operator} ?`;
params.push(filter.value);
}
}
else if (filter.operator === '*=' || filter.operator === '!*=') {
where += `${getValueForFilter(filter, i)}`
where += `${accessor}`
+ (filter.operator.includes('!') ? ' NOT' : '')
+ ` LIKE '%` + filter.value + "'"; // FIXME: escaping
}
else if (filter.operator === '=*' || filter.operator === '!=*') {
where += `${getValueForFilter(filter, i)}`
where += `${accessor}`
+ (filter.operator.includes('!') ? ' NOT' : '')
+ ` LIKE '` + filter.value + "%'"; // FIXME: escaping
}
else if (filter.operator === '*=*' || filter.operator === '!*=*') {
where += `${getValueForFilter(filter, i)}`
where += `${accessor}`
+ (filter.operator.includes('!') ? ' NOT' : '')
+ ` LIKE '%` + filter.value + "%'"; // FIXME: escaping
}
else if ([">", ">=", "<", "<="].includes(filter.operator)) {
let floatParam;
const value = getValueForFilter(filter, i);
// from https://stackoverflow.com/questions/12643009/regular-expression-for-floating-point-numbers
if (/^[+-]?([0-9]*[.])?[0-9]+$/.test(filter.value)) {
@ -81,32 +97,24 @@ module.exports = function(attributeFilters) {
if (floatParam === undefined || isNaN(floatParam)) {
// if the value can't be parsed as float then we assume that string comparison should be used instead of numeric
where += `${value} ${filter.operator} ?`;
whereParams.push(filter.value);
where += `${accessor} ${filter.operator} ?`;
params.push(filter.value);
}
else {
where += `CAST(${value} AS DECIMAL) ${filter.operator} ?`;
whereParams.push(floatParam);
where += `CAST(${accessor} AS DECIMAL) ${filter.operator} ?`;
params.push(floatParam);
}
}
else {
throw new Error("Unknown operator " + filter.operator);
}
i++;
}
let searchCondition = '';
const searchParams = [];
const query = `SELECT DISTINCT notes.noteId FROM notes
${joins.join('\r\n')}
${Object.values(joins).join('\r\n')}
WHERE
notes.isDeleted = 0
AND (${where})
${searchCondition}`;
const params = joinParams.concat(whereParams).concat(searchParams);
AND (${where})`;
console.log(query);
console.log(params);

View File

@ -1,6 +1,6 @@
const dayjs = require("dayjs");
const filterRegex = /(\b(AND|OR)\s+)?@(!?)([\w_-]+|"[^"]+")((=|!=|<|<=|>|>=|\*=|=\*)([\w_-]+|"[^"]+"))?/ig;
const filterRegex = /(\b(AND|OR)\s+)?@(!?)([\w_]+|"[^"]+")((=|!=|<|<=|>|>=|!?\*=|!?=\*|!?\*=\*)([\w_-]+|"[^"]+"))?/ig;
const smartValueRegex = /^(NOW|TODAY|WEEK|MONTH|YEAR) *([+\-] *\d+)?$/i;
function calculateSmartValue(v) {