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Great performance increase on transaction queries

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This will address an issue with database including a lot of
transactions. No more nested queries that put unwanted strain on a DB.

Address #536
This commit is contained in:
Sebastian Grewe 2013-08-01 09:37:30 +02:00
parent b5e12923fd
commit 9e1f424742
1 changed files with 28 additions and 102 deletions
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130
public/include/classes/transaction.class.php
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@ -227,31 +227,15 @@ class Transaction {
public function getLockedBalance() {
$this->debug->append("STA " . __METHOD__, 4);
$stmt = $this->mysqli->prepare("
SELECT ROUND(IFNULL(t1.credit, 0) - IFNULL(t2.debit, 0) - IFNULL(t3.other, 0), 8) AS balance
FROM
(
SELECT sum(t.amount) AS credit
FROM $this->table AS t
LEFT JOIN " . $this->block->getTableName() . " AS b ON t.block_id = b.id
WHERE (
( t.type IN ('Credit','Bonus') AND b.confirmations >= ? ) OR
( t.type = 'Credit_PPS' )
)
) AS t1,
(
SELECT sum(t.amount) AS debit
FROM $this->table AS t
WHERE t.type IN ('Debit_MP', 'Debit_AP')
) AS t2,
(
SELECT sum(t.amount) AS other
FROM " . $this->table . " AS t
LEFT JOIN " . $this->block->getTableName() . " AS b ON t.block_id = b.id
WHERE (
( t.type IN ('Donation','Fee') AND b.confirmations >= ? ) OR
t.type IN ('Donation_PPS','Fee_PPS','TXFee')
)
) AS t3");
SELECT
ROUND((
SUM( IF( ( t.type IN ('Credit','Bonus') OR t.type = 'Credit_PPS') AND b.confirmations >= ?, t.amount, 0 ) ) -
SUM( IF( t.type IN ('Debit_MP', 'Debit_AP'), t.amount, 0 ) ) -
SUM( IF( ( t.type IN ('Donation','Fee') AND b.confirmations >= ? ) OR ( t.type IN ('Donation_PPS', 'Fee_PPS', 'TXFee') ), t.amount, 0 ) )
), 8) AS balance
FROM $this->table AS t
LEFT JOIN blocks AS b
ON t.block_id = b.id");
if ($this->checkStmt($stmt) && $stmt->bind_param('ii', $this->config['confirmations'], $this->config['confirmations']) && $stmt->execute() && $stmt->bind_result($dBalance) && $stmt->fetch())
return $dBalance;
// Catchall
@ -269,85 +253,27 @@ class Transaction {
$this->debug->append("STA " . __METHOD__, 4);
$stmt = $this->mysqli->prepare("
SELECT
ROUND(IFNULL(t1.credit, 0) - IFNULL(t2.debit, 0) - IFNULL(t3.other, 0), 8) AS confirmed,
ROUND(IFNULL(t4.credit, 0) - IFNULL(t5.other, 0), 8) AS unconfirmed,
ROUND(IFNULL(t6.credit, 0) - IFNULL(t7.other, 0), 8) AS orphaned
FROM
(
SELECT sum(t.amount) AS credit
FROM $this->table AS t
LEFT JOIN " . $this->block->getTableName() . " AS b ON t.block_id = b.id
WHERE
(
( t.type IN ('Credit','Bonus') AND b.confirmations >= ? ) OR
( t.type = 'Credit_PPS' )
)
AND t.account_id = ?
) AS t1,
(
SELECT sum(t.amount) AS debit
FROM $this->table AS t
WHERE t.type IN ('Debit_MP', 'Debit_AP')
AND t.account_id = ?
) AS t2,
(
SELECT sum(t.amount) AS other
FROM $this->table AS t
LEFT JOIN " . $this->block->getTableName() . " AS b ON t.block_id = b.id
WHERE
(
( t.type IN ('Donation','Fee') AND b.confirmations >= ? ) OR
( t.type IN ('Donation_PPS', 'Fee_PPS', 'TXFee') )
)
AND t.account_id = ?
) AS t3,
(
SELECT sum(t.amount) AS credit
FROM $this->table AS t
LEFT JOIN " . $this->block->getTableName() . " AS b ON t.block_id = b.id
WHERE
t.type IN ('Credit','Bonus') AND b.confirmations < ? AND b.confirmations >= 0
AND t.account_id = ?
) AS t4,
(
SELECT sum(t.amount) AS other
FROM $this->table AS t
LEFT JOIN " . $this->block->getTableName() . " AS b ON t.block_id = b.id
WHERE
(
t.type IN ('Donation','Fee') AND b.confirmations < ? AND b.confirmations >= 0
)
AND t.account_id = ?
) AS t5,
(
SELECT sum(t.amount) AS credit
FROM $this->table AS t
LEFT JOIN " . $this->block->getTableName() . " AS b ON t.block_id = b.id
WHERE
t.type IN ('Credit','Bonus') AND b.confirmations = -1
AND t.account_id = ?
) AS t6,
(
SELECT sum(t.amount) AS other
FROM $this->table AS t
LEFT JOIN " . $this->block->getTableName() . " AS b ON t.block_id = b.id
WHERE
(
t.type IN ('Donation','Fee') AND b.confirmations = -1
)
AND t.account_id = ?
) AS t7
ROUND((
SUM( IF( ( t.type IN ('Credit','Bonus') OR t.type = 'Credit_PPS') AND b.confirmations >= ?, t.amount, 0 ) ) -
SUM( IF( t.type IN ('Debit_MP', 'Debit_AP'), t.amount, 0 ) ) -
SUM( IF( ( t.type IN ('Donation','Fee') AND b.confirmations >= ? ) OR ( t.type IN ('Donation_PPS', 'Fee_PPS', 'TXFee') ), t.amount, 0 ) )
), 8) AS confirmed,
ROUND((
SUM( IF( t.type IN ('Credit','Bonus') AND b.confirmations < ? AND b.confirmations >= 0, t.amount, 0 ) ) -
SUM( IF( t.type IN ('Donation','Fee') AND b.confirmations < ? AND b.confirmations >= 0, t.amount, 0 ) )
), 8) AS unconfirmed,
ROUND((
SUM( IF( t.type IN ('Credit','Bonus') AND b.confirmations = -1, t.amount, 0) ) -
SUM( IF( t.type IN ('Donation','Fee') AND b.confirmations = -1, t.amount, 0) )
), 8) AS orphaned
FROM transactions AS t
LEFT JOIN blocks AS b
ON t.block_id = b.id
AND t.account_id = ?
");
if ($this->checkStmt($stmt)) {
$stmt->bind_param("iiiiiiiiiii", $this->config['confirmations'], $account_id, $account_id, $this->config['confirmations'], $account_id, $this->config['confirmations'], $account_id, $this->config['confirmations'], $account_id, $account_id, $account_id);
if (!$stmt->execute()) {
$this->debug->append("Unable to execute statement: " . $stmt->error);
$this->setErrorMessage("Fetching balance failed");
}
$result = $stmt->get_result();
$stmt->close();
if ($this->checkStmt($stmt) && $stmt->bind_param("iiiii", $this->config['confirmations'], $this->config['confirmations'], $this->config['confirmations'], $this->config['confirmations'], $account_id) && $stmt->execute() && $result = $stmt->get_result())
return $result->fetch_assoc();
}
$this->debug->append('Failed to fetch users balance: ' . $this->mysqli->error);
return false;
}
}