bulk insertion/removal of db rows
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e2c28f8735
commit
dba87541bf
1 changed files with 41 additions and 25 deletions
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@ -19,7 +19,7 @@ class SqlSystem {
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UNIQUE INDEX 'auctionid' ('auctionid')
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);
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CREATE TABLE if NOT EXISTS lifetimes (id INT PRIMARY KEY, insertedon DATETIME(2));
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`)
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`);
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//Setup lifetime Trigger
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await conn.query(`
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DELIMITER $$
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@ -47,7 +47,7 @@ class SqlSystem {
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DELETE FROM lifetimes WHERE id=OLD.ID;
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END$$
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DELIMITER ;
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`)
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`);
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//Setup Table sanitation
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await conn.query(`
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DELIMITER $$
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@ -76,7 +76,7 @@ class SqlSystem {
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ON SCHEDULE EVERY 2 MINUTE
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DO
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CALL CleanupOldEntries();
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`)
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`);
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}
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catch (error) {
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console.error("InitDB Error: ", error);
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@ -87,37 +87,52 @@ class SqlSystem {
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}
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}
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//INSERT ELEMENT IN AUCTIONS TABLE OR UPDATE IF IT ALREADY EXISTS
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public static async Upsert(auctionid: string, lbin: number) {
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public static async Upsert(auctionid: string|string[], lbin: number|number[]) {
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let conn: mariadb.PoolConnection | undefined;
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try {
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conn = await this.pool.getConnection();
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await conn.beginTransaction();
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if(Array.isArray(auctionid) && Array.isArray(lbin))
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if(auctionid.length === lbin.length) {
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await conn.query(`
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INSERT INTO auctions (auctionid, LBin)
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VALUES (?,?)
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ON DUPLICATE KEY UPDATE
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LBin = VALUES(LBin);
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`,[await this.UnifiedArray(auctionid,lbin)]);
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}
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else if(Array.isArray(auctionid) || Array.isArray(lbin))
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throw Error(`Upsert SQL Function error - cannot unify collection ${Array.isArray(auctionid) ? auctionid : lbin} to singlet ${!Array.isArray(auctionid) ? auctionid : lbin}`);
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else {
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await conn.query(`
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INSERT INTO auctions (auctionid, LBin)
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VALUES (?,?)
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ON DUPLICATE KEY UPDATE
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LBin = VALUES(LBin);
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`, [auctionid, lbin]);
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}
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await conn.commit();
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}
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catch (error) {
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console.error("InitDB Error: ", error);
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catch(error)
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{
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console.error("message_before_error: ", error);
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if(conn) await conn.rollback();
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throw error;
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}
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finally {
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finally
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{
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if (conn) conn.release();
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}
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}
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//REMOVE ELEMENT IN AUCTIONS TABLE
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public static async Remove(auctionId: string) {
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public static async Remove(auctionid: string|string[]) {
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let conn: mariadb.PoolConnection | undefined;
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try {
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conn = await this.pool.getConnection();
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await conn.beginTransaction();
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await conn.query(`
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DELETE FROM auctions WHERE auctionid = ?
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`,[auctionId]);
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`,[auctionid]);
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await conn.commit();
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}
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catch (error) {
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@ -150,10 +165,11 @@ class SqlSystem {
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FROM auctions AS auc
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WHERE auc.auctionID = tmp.auctionID
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AND auc.lbin = tmp.lbin);
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`,[await this.UnifiedArray(auctionid,lbin)])
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`,[await this.UnifiedArray(auctionid,lbin)]);
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return result;
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}
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else if(Array.isArray(auctionid) || Array.isArray(lbin)) throw Error('Match SQL Function error - cannot match collection to singlet');
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else if(Array.isArray(auctionid) || Array.isArray(lbin))
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throw Error(`Match SQL Function error - cannot unify collection ${Array.isArray(auctionid) ? auctionid : lbin} to singlet ${!Array.isArray(auctionid) ? auctionid : lbin}`);
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else {
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result = await conn.query(`
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SELECT CASE
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@ -162,8 +178,8 @@ class SqlSystem {
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ELSE false
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END AS user_exists
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FROM auctions WHERE auctionID = ?;
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`,[auctionid])
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return Boolean(result[0].result)
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`,[auctionid]);
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return Boolean(result[0].result);
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}
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}
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catch(error)
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