Andres Resiri
79 lines
2.4 KiB
JavaScript
79 lines
2.4 KiB
JavaScript
/**
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* Builds the composite index SiteEvent_sessionId_timestamp_idx on the
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* SiteEvent table using CREATE INDEX CONCURRENTLY.
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*
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* Must connect via the non-pooler (direct) Neon URL because:
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* - CREATE INDEX CONCURRENTLY cannot run inside a transaction
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* - The pooler enforces statement_timeout that overrides SET
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*
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* Usage:
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* DIRECT_URL="postgres://..." node scripts/build-sessionid-index.mjs
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*
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* Never hardcode credentials here. Supply DIRECT_URL from the shell only.
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*/
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import pkg from "pg";
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const { Client } = pkg;
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const INDEX_NAME = "SiteEvent_sessionId_timestamp_idx";
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const directUrl = process.env.DIRECT_URL;
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if (!directUrl) {
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console.error("[build-index] DIRECT_URL is not set. Aborting.");
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process.exit(1);
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}
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const client = new Client({ connectionString: directUrl });
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async function run() {
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console.log("[build-index] Connecting via DIRECT_URL...");
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await client.connect();
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console.log("[build-index] Connected.");
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console.log("[build-index] SET statement_timeout = 0");
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await client.query("SET statement_timeout = 0;");
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console.log("[build-index] SET lock_timeout = 0");
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await client.query("SET lock_timeout = 0;");
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console.log(`[build-index] DROP INDEX IF EXISTS "${INDEX_NAME}"`);
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await client.query(`DROP INDEX IF EXISTS "${INDEX_NAME}";`);
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console.log("[build-index] Drop complete (or index did not exist).");
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console.log(`[build-index] CREATE INDEX CONCURRENTLY "${INDEX_NAME}" -- this may take several minutes on large tables`);
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await client.query(
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`CREATE INDEX CONCURRENTLY "${INDEX_NAME}" ON "public"."SiteEvent" ("sessionId", "timestamp");`,
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);
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console.log("[build-index] Index build complete.");
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const res = await client.query(
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`SELECT indisvalid
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FROM pg_index
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JOIN pg_class ON pg_class.oid = pg_index.indexrelid
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WHERE pg_class.relname = $1;`,
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[INDEX_NAME],
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);
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if (res.rows.length === 0) {
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console.error("[build-index] Index not found after creation -- something went wrong.");
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process.exit(1);
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}
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const { indisvalid } = res.rows[0];
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if (indisvalid) {
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console.log("[build-index] indisvalid = true -- index is VALID and ready.");
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} else {
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console.error("[build-index] indisvalid = false -- index is INVALID. Manual cleanup required.");
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process.exit(1);
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}
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}
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run()
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.catch((err) => {
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console.error("[build-index] Fatal error:", err.message);
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process.exit(1);
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})
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.finally(() => {
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client.end().catch(() => {});
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});
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