d803bfe2b1
git-subtree-dir: vendor/ruvector git-subtree-split: b64c21726f2bb37286d9ee36a7869fef60cc6900
75 lines
2.5 KiB
JavaScript
75 lines
2.5 KiB
JavaScript
#!/usr/bin/env node
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/**
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* Debug SPARQL execution to understand why results are empty
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*/
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import { readFile } from 'fs/promises';
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import { fileURLToPath } from 'url';
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import { dirname, join } from 'path';
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const __dirname = dirname(fileURLToPath(import.meta.url));
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async function test() {
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console.log('=== Debug SPARQL Execution ===\n');
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// Load WASM
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const wasmPath = join(__dirname, '../public/pkg/rvlite_bg.wasm');
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const wasmBytes = await readFile(wasmPath);
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const rvliteModule = await import('../public/pkg/rvlite.js');
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const { default: initRvLite, RvLite, RvLiteConfig } = rvliteModule;
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await initRvLite(wasmBytes);
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const config = new RvLiteConfig(384);
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const db = new RvLite(config);
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console.log('✓ WASM initialized');
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// Add triples
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console.log('\n=== Adding Triples ===');
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const triples = [
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['<http://example.org/Alice>', '<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>', '<http://example.org/Person>'],
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['<http://example.org/Alice>', '<http://example.org/name>', '"Alice"'],
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['<http://example.org/Bob>', '<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>', '<http://example.org/Person>'],
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['<http://example.org/Bob>', '<http://example.org/name>', '"Bob"'],
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['<http://example.org/Alice>', '<http://example.org/knows>', '<http://example.org/Bob>'],
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];
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for (const [s, p, o] of triples) {
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try {
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db.add_triple(s, p, o);
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console.log(` Added: ${s} ${p} ${o}`);
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} catch (e) {
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console.log(` ERROR adding triple: ${e.message}`);
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}
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}
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console.log(`Triple count: ${db.triple_count()}`);
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// Test queries with full debug output
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console.log('\n=== Testing SPARQL Queries ===');
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const queries = [
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// Simple SELECT with variable predicate
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"SELECT ?s ?p ?o WHERE { ?s ?p ?o }",
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// SELECT with specific predicate
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"SELECT ?s WHERE { ?s <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://example.org/Person> }",
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// SELECT with specific predicate (no angle brackets in predicate)
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"SELECT ?s WHERE { ?s <http://example.org/knows> ?o }",
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// ASK query
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"ASK { <http://example.org/Alice> <http://example.org/knows> <http://example.org/Bob> }",
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];
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for (const query of queries) {
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console.log(`\nQuery: ${query}`);
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try {
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const result = db.sparql(query);
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console.log('Result type:', typeof result);
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console.log('Result:', JSON.stringify(result, null, 2));
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} catch (e) {
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console.log('ERROR:', e.message || e);
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}
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}
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db.free();
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}
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test().catch(console.error);
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