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Empty lists correctly roundtrip.

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This commit is contained in:
Daniele Varrazzo 2010-12-23 03:38:37 +01:00
parent b5ef5ef21d
commit 89e4d4c7bb
3 changed files with 6 additions and 4 deletions
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1
NEWS-2.3
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@ -5,6 +5,7 @@ What's new in psycopg 2.3.2
missing encodings: EUC_CN, EUC_JIS_2004, ISO885910, ISO885916, missing encodings: EUC_CN, EUC_JIS_2004, ISO885910, ISO885916,
LATIN10, SHIFT_JIS_2004. LATIN10, SHIFT_JIS_2004.
- Dropped repeated dictionary lookups with unicode query/parameters. - Dropped repeated dictionary lookups with unicode query/parameters.
- Empty lists correctly roundtrip Python -> PostgreSQL -> Python.
What's new in psycopg 2.3.1 What's new in psycopg 2.3.1

2
psycopg/adapter_list.c
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@ -45,7 +45,7 @@ list_quote(listObject *self)
/* empty arrays are converted to NULLs (still searching for a way to /* empty arrays are converted to NULLs (still searching for a way to
insert an empty array in postgresql */ insert an empty array in postgresql */
if (len == 0) return Text_FromUTF8("'{}'"); if (len == 0) return Bytes_FromString("'{}'::text[]");
tmp = PyTuple_New(len); tmp = PyTuple_New(len);

7
tests/types_basic.py
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@ -126,11 +126,12 @@ class TypesBasicTests(unittest.TestCase):
self.failUnless(str(buf2) == s, "wrong binary quoting") self.failUnless(str(buf2) == s, "wrong binary quoting")
def testArray(self): def testArray(self):
s = self.execute("SELECT %s AS foo", ([],))
self.failUnlessEqual(s, [])
s = self.execute("SELECT %s AS foo", ([[1,2],[3,4]],)) s = self.execute("SELECT %s AS foo", ([[1,2],[3,4]],))
self.failUnless(s == [[1,2],[3,4]], "wrong array quoting " + str(s)) self.failUnlessEqual(s, [[1,2],[3,4]])
s = self.execute("SELECT %s AS foo", (['one', 'two', 'three'],)) s = self.execute("SELECT %s AS foo", (['one', 'two', 'three'],))
self.failUnless(s == ['one', 'two', 'three'], self.failUnlessEqual(s, ['one', 'two', 'three'])
"wrong array quoting " + str(s))
def testTypeRoundtripBinary(self): def testTypeRoundtripBinary(self):
o1 = buffer("".join(map(chr, range(256)))) o1 = buffer("".join(map(chr, range(256))))