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Code Issues Packages Projects Releases Wiki Activity

Optimise database temp tables indexes (#2409)

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FrancescoUK
2019-06-03 22:45:00 +01:00
parent bab07fc857
commit 3894af4db2
4 changed files with 11 additions and 9 deletions
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2
application/models/Customer.php
View File

@@ -100,7 +100,7 @@ class Customer extends Person
{
// create a temporary table to contain all the sum and average of items
$this->db->query('CREATE TEMPORARY TABLE IF NOT EXISTS ' . $this->db->dbprefix('sales_items_temp') .
' (INDEX(sale_id))
' (INDEX(sale_id)) ENGINE=MEMORY
(
SELECT
sales.sale_id AS sale_id,

10
application/models/Sale.php
View File

@@ -27,7 +27,8 @@ class Sale extends CI_Model
// NOTE: temporary tables are created to speed up searches due to the fact that they are ortogonal to the main query
// create a temporary table to contain all the payments per sale
$this->db->query('CREATE TEMPORARY TABLE IF NOT EXISTS ' . $this->db->dbprefix('sales_payments_temp') .
'(
' (PRIMARY KEY(sale_id), INDEX(sale_id))
(
SELECT payments.sale_id AS sale_id,
IFNULL(SUM(payments.payment_amount), 0) AS sale_payment_amount,
GROUP_CONCAT(CONCAT(payments.payment_type, " ", payments.payment_amount) SEPARATOR ", ") AS payment_type
@@ -57,7 +58,8 @@ class Sale extends CI_Model
// create a temporary table to contain all the sum of taxes per sale item
$this->db->query('CREATE TEMPORARY TABLE IF NOT EXISTS ' . $this->db->dbprefix('sales_items_taxes_temp') .
'(
' (INDEX(sale_id), INDEX(item_id)) ENGINE=MEMORY
(
SELECT sales_items_taxes.sale_id AS sale_id,
sales_items_taxes.item_id AS item_id,
sales_items_taxes.line AS line,
@@ -172,7 +174,7 @@ class Sale extends CI_Model
// create a temporary table to contain all the sum of taxes per sale item
$this->db->query('CREATE TEMPORARY TABLE IF NOT EXISTS ' . $this->db->dbprefix('sales_items_taxes_temp') .
' (INDEX(sale_id), INDEX(item_id))
' (INDEX(sale_id), INDEX(item_id)) ENGINE=MEMORY
(
SELECT sales_items_taxes.sale_id AS sale_id,
sales_items_taxes.item_id AS item_id,
@@ -1113,7 +1115,7 @@ class Sale extends CI_Model
// create a temporary table to contain all the sum of taxes per sale item
$this->db->query('CREATE TEMPORARY TABLE IF NOT EXISTS ' . $this->db->dbprefix('sales_items_taxes_temp') .
' (INDEX(sale_id), INDEX(item_id))
' (INDEX(sale_id), INDEX(item_id)) ENGINE=MEMORY
(
SELECT sales_items_taxes.sale_id AS sale_id,
sales_items_taxes.item_id AS item_id,

6
application/models/reports/Summary_payments.php
View File

@@ -137,7 +137,7 @@ class Summary_payments extends Summary_report
$this->db->query('CREATE TEMPORARY TABLE IF NOT EXISTS ' . $this->db->dbprefix('sumpay_taxes_temp') .
' (INDEX(sale_id))
' (INDEX(sale_id)) ENGINE=MEMORY
(
SELECT sales.sale_id, SUM(sales_taxes.sale_tax_amount) AS total_taxes
FROM ' . $this->db->dbprefix('sales') . ' AS sales
@@ -149,7 +149,7 @@ class Summary_payments extends Summary_report
);
$this->db->query('CREATE TEMPORARY TABLE IF NOT EXISTS ' . $this->db->dbprefix('sumpay_items_temp') .
' (INDEX(sale_id))
' (INDEX(sale_id)) ENGINE=MEMORY
(
SELECT sales.sale_id, '. $trans_amount
. ' FROM ' . $this->db->dbprefix('sales') . ' AS sales '
@@ -166,7 +166,7 @@ class Summary_payments extends Summary_report
. ' AS sumpay_taxes WHERE sumpay_items.sale_id = sumpay_taxes.sale_id),0)');
$this->db->query('CREATE TEMPORARY TABLE IF NOT EXISTS ' . $this->db->dbprefix('sumpay_payments_temp') .
' (INDEX(sale_id))
' (INDEX(sale_id)) ENGINE=MEMORY
(
SELECT sales.sale_id, COUNT(sales.sale_id) AS number_payments, SUM(sales_payments.payment_amount) AS total_payments
FROM ' . $this->db->dbprefix('sales') . ' AS sales

2
application/models/reports/Summary_report.php
View File

@@ -40,7 +40,7 @@ abstract class Summary_report extends Report
// create a temporary table to contain all the sum of taxes per sale item
$this->db->query('CREATE TEMPORARY TABLE IF NOT EXISTS ' . $this->db->dbprefix('sales_items_taxes_temp') .
' (INDEX(sale_id), INDEX(item_id))
' (INDEX(sale_id), INDEX(item_id)) ENGINE=MEMORY
(
SELECT sales_items_taxes.sale_id AS sale_id,
sales_items_taxes.item_id AS item_id,