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fix(cache): improve cache key serialization #2424

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merged 4 commits into from
Mar 26, 2024
Merged

fix(cache): improve cache key serialization #2424

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dd04890
fix(cache): improve cache key formation
wellwelwel Jan 31, 2024
4c3b0c0
ci: add tests to sanitize cache key helper
wellwelwel Jan 31, 2024
8dafb2b
refactor: change serialization to `JSON.stringify`
wellwelwel Jan 31, 2024
4009911
ci: add tests to cache key serialization
wellwelwel Feb 1, 2024
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43 changes: 28 additions & 15 deletions lib/parsers/parser_cache.js
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Original file line number Diff line number Diff line change
Expand Up @@ -3,26 +3,38 @@
const LRU = require('lru-cache').default;

const parserCache = new LRU({
max: 15000
max: 15000,
});

function keyFromFields(type, fields, options, config) {
let res =
`${type}` +
`/${typeof options.nestTables}` +
`/${options.nestTables}` +
`/${options.rowsAsArray}` +
`/${options.supportBigNumbers || config.supportBigNumbers}` +
`/${options.bigNumberStrings || config.bigNumberStrings}` +
`/${typeof options.typeCast}` +
`/${options.timezone || config.timezone}` +
`/${options.decimalNumbers}` +
`/${options.dateStrings}`;
const res = [
type,
typeof options.nestTables,
options.nestTables,
Boolean(options.rowsAsArray),
Boolean(options.supportBigNumbers || config.supportBigNumbers),
Boolean(options.bigNumberStrings || config.bigNumberStrings),
typeof options.typeCast,
options.timezone || config.timezone,
Boolean(options.decimalNumbers),
options.dateStrings,
];

for (let i = 0; i < fields.length; ++i) {
const field = fields[i];
res += `/${field.name}:${field.columnType}:${field.length}:${field.schema}:${field.table}:${field.flags}:${field.characterSet}`;

res.push([
field.name,
field.columnType,
field.length,
field.schema,
field.table,
field.flags,
field.characterSet,
]);
}
return res;

return JSON.stringify(res, null, 0);
}

function getParser(type, fields, options, config, compiler) {
Expand All @@ -49,5 +61,6 @@ function clearCache() {
module.exports = {
getParser: getParser,
setMaxCache: setMaxCache,
clearCache: clearCache
clearCache: clearCache,
_keyFromFields: keyFromFields,
};
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