From b2fc02348b2e595927383af83cc096387acfc4e2 Mon Sep 17 00:00:00 2001
From: Mihail <tsurkanovm@gmail.com>
Date: Tue, 13 Oct 2015 10:21:35 +0300
Subject: [PATCH] add migration PrefixDelete function

---
 console/migrations/m151013_062829_deletePrefixFunction.php | 51 +++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 51 insertions(+), 0 deletions(-)
 create mode 100644 console/migrations/m151013_062829_deletePrefixFunction.php

diff --git a/console/migrations/m151013_062829_deletePrefixFunction.php b/console/migrations/m151013_062829_deletePrefixFunction.php
new file mode 100644
index 0000000..a21c63f
--- /dev/null
+++ b/console/migrations/m151013_062829_deletePrefixFunction.php
@@ -0,0 +1,51 @@
+<?php
+
+use yii\db\Schema;
+use yii\db\Migration;
+
+/**
+ * Class m151013_062829_deletePrefixFunction
+ * добавляем две функции - одна ищет префикс по поставщику и бренду,
+ * другая удаляет найденный префикс из переданного артикула
+ */
+class m151013_062829_deletePrefixFunction extends Migration
+{
+    public function safeUp()
+    {
+        $find_prefix = <<< SQL
+                CREATE FUNCTION FindPrefix(p_importer_id int, p_brand VARCHAR(100)) RETURNS VARCHAR(50)
+                BEGIN
+                    DECLARE _prefix varchar(10);
+
+                    select prefix into _prefix From w_importers_prefix where importer_id = p_importer_id and brand = p_brand COLLATE utf8_general_ci;
+
+                 RETURN (_prefix);
+                END
+SQL;
+
+        $delete_prefix = <<< SQL
+                CREATE FUNCTION DeletePrefix(p_articul VARCHAR(150), p_importer_id int, p_brand VARCHAR(100)) RETURNS VARCHAR(150)
+                BEGIN
+                    DECLARE _articul varchar(10);
+
+                 select substring(p_articul, LENGTH( FindPrefix( p_importer_id, p_brand ) ) + 1 ) into _articul;
+                 RETURN (_articul);
+                END
+SQL;
+
+        $this->execute($find_prefix);
+        $this->execute($delete_prefix);
+
+    }
+
+    public function safedown()
+    {
+        $sql =
+            'drop FUNCTION IF EXIST FindPrefix;
+             drop FUNCTION IF EXIST DeletePrefix;';
+
+        $this->execute($sql);
+    }
+
+
+}
--
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