[yocto] [rrs][PATCH 1/2] rrs/models.py: Added raw SQL calls
mariano.lopez at linux.intel.com
mariano.lopez at linux.intel.com
Mon Jun 8 13:35:45 PDT 2015
From: Mariano Lopez <mariano.lopez at linux.intel.com>
The raw calls are going to be used instead of Django's ORM.
This improves the performance of the webpage.
Signed-off-by: Mariano Lopez <mariano.lopez at linux.intel.com>
---
rrs/models.py | 102 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
1 file changed, 102 insertions(+)
diff --git a/rrs/models.py b/rrs/models.py
index c909daf..320670c 100644
--- a/rrs/models.py
+++ b/rrs/models.py
@@ -12,6 +12,7 @@ sys.path.insert(0, os.path.realpath(os.path.join(os.path.dirname(__file__), '../
from datetime import date
from django.db import models
+from django.db import connection
from django.db.models.query import Q
from layerindex.models import Recipe
@@ -353,3 +354,104 @@ class RecipeUpgrade(models.Model):
def __unicode__(self):
return '%s: (%s, %s)' % (self.recipe.pn, self.version,
self.commit_date)
+
+class Raw():
+
+ @staticmethod
+ def get_remahi_by_end_date(date):
+ cur = connection.cursor()
+
+ cur.execute("""SELECT id
+ FROM rrs_RecipeMaintainerHistory
+ WHERE date <= %s
+ ORDER BY date DESC
+ LIMIT 1;
+ """, [str(date)])
+
+ ret = cur.fetchone()
+
+ if not ret:
+ cur.execute("""SELECT id
+ FROM rrs_RecipeMaintainerHistory
+ ORDER BY date
+ LIMIT 1;""")
+ ret = cur.fetchone()
+
+ return ret
+
+ @staticmethod
+ def get_re_by_mantainer_and_date(maintainer, date_id):
+ recipes = []
+ cur = connection.cursor()
+
+ cur.execute("""SELECT DISTINCT rema.recipe_id
+ FROM rrs_RecipeMaintainer as rema
+ INNER JOIN rrs_maintainer AS ma
+ ON rema.maintainer_id = ma.id
+ WHERE rema.history_id = %s AND ma.name = %s;
+ """, [date_id, maintainer])
+
+ for re in cur.fetchall():
+ recipes.append(re[0])
+ return recipes
+
+ @staticmethod
+ def get_reup_by_recipes_and_date(recipes_id, date_id=None):
+ stats = []
+ recipes = str(recipes_id).strip('[]')
+
+ if date_id:
+ qry = """SELECT recipe_id, status, no_update_reason, version
+ FROM rrs_RecipeUpstream"""
+ qry += "\nWHERE history_id = '%s' AND" % str(date_id)
+ qry += "\nrecipe_id IN (%s)\n" % recipes
+ cur = connection.cursor()
+ cur.execute(qry)
+ stats = Raw.dictfetchall(cur)
+
+ return stats
+
+ @staticmethod
+ def get_ma_by_recipes_and_date(recipes_id, date_id=None):
+ stats = []
+ recipes = str(recipes_id).strip('[]')
+
+ if date_id:
+ qry = """SELECT rema.recipe_id, ma.name
+ FROM rrs_RecipeMaintainer AS rema
+ INNER JOIN rrs_Maintainer AS ma
+ ON rema.maintainer_id = ma.id"""
+ qry += "\nWHERE rema.history_id = '%s' AND" % str(date_id)
+ qry += "\nrema.recipe_id IN (%s)\n" % recipes
+ cur = connection.cursor()
+ cur.execute(qry)
+ stats = Raw.dictfetchall(cur)
+
+ return stats
+
+ @staticmethod
+ def get_reupg_by_date(date):
+ cur = connection.cursor()
+ cur.execute("""SELECT re.id, re.pn, re.summary, te.version, rownum FROM (
+ SELECT recipe_id, version, commit_date,
+ ROW_NUMBER() OVER(
+ PARTITION BY recipe_id
+ ORDER BY commit_date DESC
+ ) AS rownum
+ FROM rrs_RecipeUpgrade
+ WHERE commit_date <= %s) AS te
+ INNER JOIN layerindex_Recipe AS re
+ ON te.recipe_id = re.id
+ WHERE rownum = 1
+ ORDER BY re.pn;
+ """, [date])
+ return Raw.dictfetchall(cur)
+
+ @staticmethod
+ def dictfetchall(cursor):
+ "Returns all rows from a cursor as a dict"
+ desc = cursor.description
+ return [
+ dict(zip([col[0] for col in desc], row))
+ for row in cursor.fetchall()
+ ]
--
1.9.1
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