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chore: added a composite index to tx_output to reduce query time #326

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Merged
andreabadesso merged 1 commit into from
Dec 1, 2025
Merged

chore: added a composite index to tx_output to reduce query time #326

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39 changes: 39 additions & 0 deletions db/migrations/20251201104138-add-tx-output-utxo-lookup-index.js
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Original file line number Diff line number Diff line change
@@ -0,0 +1,39 @@
'use strict';

module.exports = {
up: async (queryInterface) => {
// Check if index exists
const [indexes] = await queryInterface.sequelize.query(`
SELECT COUNT(DISTINCT index_name) as count
FROM information_schema.statistics
WHERE table_schema = DATABASE()
AND table_name = 'tx_output'
AND index_name = 'idx_tx_output_utxo_lookup';
`);

// Only create if it doesn't exist
if (indexes[0].count === 0) {
await queryInterface.sequelize.query(`
CREATE INDEX idx_tx_output_utxo_lookup
ON tx_output (address, token_id, spent_by, voided, locked, authorities);
`);
}
},

down: async (queryInterface) => {
// Check if index exists before dropping
const [indexes] = await queryInterface.sequelize.query(`
SELECT COUNT(DISTINCT index_name) as count
FROM information_schema.statistics
WHERE table_schema = DATABASE()
AND table_name = 'tx_output'
AND index_name = 'idx_tx_output_utxo_lookup';
`);

if (indexes[0].count > 0) {
await queryInterface.sequelize.query(`
DROP INDEX idx_tx_output_utxo_lookup ON tx_output;
`);
}
},
};