CCF_100/relational
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stub insert

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git-svn-id: http://galileo.dmi.unict.it/svn/relational/trunk@78 014f5005-505e-4b48-8d0a-63407b615a7c
This commit is contained in:
LtWorf 2009-01-27 12:12:44 +00:00
parent 600e6ee1e0
commit 4c510df460
1 changed files with 26 additions and 0 deletions
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26
relation.py
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@ -448,6 +448,32 @@ class relation (object):
for k in range(len(keys)):
i[f_ids[k]]=str(dic[keys[k]])
return affected
def insert(self,values):
'''Inserts the values in the relation. If values[0] is not a list | tuple,
values will be inserted as a tuple. Otherwise values will be considered as a
table containing many tuples that will be inserted.
This function will not insert duplicate tuples.
All the values will be converted in string.
Will return the number of inserted rows.'''
affected=0
l=len(self.header.attributes)
if str(values[0].__class__) == "<type 'tuple'>" or str(values[0].__class__) == "<type 'list'>":
for i in values:
if l==len(i) and i not in self.content:
affected+=1
t=[]
for q in i:
t.append(str(i))
self.content.append(t)
else:
if len(values)== l and values not in self.content:
t=[]
for q in values:
t.append(str(q))
self.content.append(t)
return 1
return affected
def delete(self,expr):
'''Delete, expr must be a valid boolean expression, can contain field names,
constant, math operations and boolean ones.