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Add database migrations

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Cadence Ember 2023-10-01 01:24:05 +13:00
parent 7a218f1254
commit 1d99b91ef7
11 changed files with 263 additions and 33 deletions
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13
db/migrations/0002-optimise-profile-content.js
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@ -1,13 +0,0 @@
module.exports = async function(db) {
const hasher = await require("xxhash-wasm")()
const contents = db.prepare("SELECT distinct hashed_profile_content FROM sim_member").pluck().all()
const stmt = db.prepare("UPDATE sim_member SET hashed_profile_content = ? WHERE hashed_profile_content = ?")
db.transaction(() => {
for (const s of contents) {
if (!Buffer.isBuffer(s)) s = Buffer.from(s)
const unsignedHash = hasher.h64(eventID)
const signedHash = unsignedHash - 0x8000000000000000n // shifting down to signed 64-bit range
stmt.run(s, signedHash)
}
})()
}