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Optimize add/insert: ensure URL is not in DB already.

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Arun Prakash Jana 2016-04-10 17:15:11 +05:30
parent 894b16a7ef
commit 0cc172c4e0
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1 changed files with 25 additions and 0 deletions
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buku
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@ -332,6 +332,22 @@ def fetchTitle(url):
def isBookmarkAdded(cur, url):
"""Check if URL already exists in DB
Params: cursor, URL to search
Returns: DB index if URL found, else -1
"""
cur.execute("SELECT id FROM bookmarks WHERE URL = ?", (url,))
resultset = cur.fetchall()
if len(resultset) == 0:
return -1
return resultset[0][0]
def AddUpdateEntry(conn, cur, keywords, index):
"""Add a new bookmark or update an existing record at index
or insert a new record at addindex (if empty)
@ -345,6 +361,15 @@ def AddUpdateEntry(conn, cur, keywords, index):
meta = ''
url = keywords[0]
"""In case of an add or insert operation ensure
that the URL does not exist in DB already
"""
if index is None:
id = isBookmarkAdded(cur, url)
if id != -1:
print("URL already exists at index %d" % id)
return
# Cleanse and get the tags
if len(keywords) > 1:
for tag in keywords[1:]: