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Escape value for using in mysql regexp

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This commit is contained in:
Nabin Hait 2018-01-30 19:01:24 +05:30
parent 8f34968ae7
commit 63fbff77ae
1 changed files with 4 additions and 8 deletions
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12
frappe/model/naming.py
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@ -200,17 +200,13 @@ def _set_amended_name(doc):
def append_number_if_name_exists(doctype, value, fieldname='name', separator='-'):
exists = frappe.db.exists(doctype,
value if fieldname == 'name' else {fieldname: value})
regex = '^{value}{separator}[[:digit:]]+'.format(value=re.escape(value), separator=separator)
if exists:
# should be escaped 2 times since
# python string will parse the first escape
escaped_value = re.escape(re.escape(value))
last = frappe.db.sql("""select {fieldname} from `tab{doctype}`
where {fieldname} regexp '^{value}{separator}[[:digit:]]+'
where {fieldname} regexp %s
order by length({fieldname}) desc,
{fieldname} desc limit 1""".format(doctype=doctype,
value=escaped_value, fieldname=fieldname, separator=separator))
{fieldname} desc limit 1""".format(doctype=doctype, fieldname=fieldname), regex)
if last:
count = str(cint(last[0][0].rsplit(separator, 1)[1]) + 1)