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# -*- coding: utf-8 -*-
import sqlparse
from sqlparse import sql
from sqlparse import tokens as T
from tests.utils import TestCaseBase
class TestGrouping(TestCaseBase):
def test_parenthesis(self):
s = 'select (select (x3) x2) and (y2) bar'
parsed = sqlparse.parse(s)[0]
self.ndiffAssertEqual(s, str(parsed))
self.assertEqual(len(parsed.tokens), 9)
self.assert_(isinstance(parsed.tokens[2], sql.Parenthesis))
self.assert_(isinstance(parsed.tokens[-3], sql.Parenthesis))
self.assertEqual(len(parsed.tokens[2].tokens), 7)
self.assert_(isinstance(parsed.tokens[2].tokens[3], sql.Parenthesis))
self.assertEqual(len(parsed.tokens[2].tokens[3].tokens), 3)
def test_comments(self):
s = '/*\n * foo\n */ \n bar'
parsed = sqlparse.parse(s)[0]
self.ndiffAssertEqual(s, unicode(parsed))
self.assertEqual(len(parsed.tokens), 2)
def test_assignment(self):
s = 'foo := 1;'
parsed = sqlparse.parse(s)[0]
self.assertEqual(len(parsed.tokens), 1)
self.assert_(isinstance(parsed.tokens[0], sql.Assignment))
s = 'foo := 1'
parsed = sqlparse.parse(s)[0]
self.assertEqual(len(parsed.tokens), 1)
self.assert_(isinstance(parsed.tokens[0], sql.Assignment))
def test_identifiers(self):
s = 'select foo.bar from "myscheme"."table" where fail. order'
parsed = sqlparse.parse(s)[0]
self.ndiffAssertEqual(s, unicode(parsed))
self.assert_(isinstance(parsed.tokens[2], sql.Identifier))
self.assert_(isinstance(parsed.tokens[6], sql.Identifier))
self.assert_(isinstance(parsed.tokens[8], sql.Where))
s = 'select * from foo where foo.id = 1'
parsed = sqlparse.parse(s)[0]
self.ndiffAssertEqual(s, unicode(parsed))
self.assert_(isinstance(parsed.tokens[-1].tokens[-1].tokens[0],
sql.Identifier))
s = 'select * from (select "foo"."id" from foo)'
parsed = sqlparse.parse(s)[0]
self.ndiffAssertEqual(s, unicode(parsed))
self.assert_(isinstance(parsed.tokens[-1].tokens[3], sql.Identifier))
s = "INSERT INTO `test` VALUES('foo', 'bar');"
parsed = sqlparse.parse(s)[0]
types = [l.ttype for l in parsed.tokens if not l.is_whitespace()]
self.assertEquals(types, [T.DML, T.Keyword, None,
T.Keyword, None, T.Punctuation])
def test_identifier_wildcard(self):
p = sqlparse.parse('a.*, b.id')[0]
self.assert_(isinstance(p.tokens[0], sql.IdentifierList))
self.assert_(isinstance(p.tokens[0].tokens[0], sql.Identifier))
self.assert_(isinstance(p.tokens[0].tokens[-1], sql.Identifier))
def test_identifier_name_wildcard(self):
p = sqlparse.parse('a.*')[0]
t = p.tokens[0]
self.assertEqual(t.get_name(), '*')
self.assertEqual(t.is_wildcard(), True)
def test_identifier_invalid(self):
p = sqlparse.parse('a.')[0]
self.assert_(isinstance(p.tokens[0], sql.Identifier))
self.assertEqual(p.tokens[0].has_alias(), False)
self.assertEqual(p.tokens[0].get_name(), None)
self.assertEqual(p.tokens[0].get_real_name(), None)
self.assertEqual(p.tokens[0].get_parent_name(), 'a')
def test_identifier_as_invalid(self): # issue8
p = sqlparse.parse('foo as select *')[0]
self.assert_(len(p.tokens), 5)
self.assert_(isinstance(p.tokens[0], sql.Identifier))
self.assertEqual(len(p.tokens[0].tokens), 1)
self.assertEqual(p.tokens[2].ttype, T.Keyword)
def test_identifier_function(self):
p = sqlparse.parse('foo() as bar')[0]
self.assert_(isinstance(p.tokens[0], sql.Identifier))
self.assert_(isinstance(p.tokens[0].tokens[0], sql.Function))
p = sqlparse.parse('foo()||col2 bar')[0]
self.assert_(isinstance(p.tokens[0], sql.Identifier))
self.assert_(isinstance(p.tokens[0].tokens[0], sql.Function))
def test_identifier_extended(self): # issue 15
p = sqlparse.parse('foo+100')[0]
self.assert_(isinstance(p.tokens[0], sql.Identifier))
p = sqlparse.parse('foo + 100')[0]
self.assert_(isinstance(p.tokens[0], sql.Identifier))
p = sqlparse.parse('foo*100')[0]
self.assert_(isinstance(p.tokens[0], sql.Identifier))
def test_identifier_list(self):
p = sqlparse.parse('a, b, c')[0]
self.assert_(isinstance(p.tokens[0], sql.IdentifierList))
p = sqlparse.parse('(a, b, c)')[0]
self.assert_(isinstance(p.tokens[0].tokens[1], sql.IdentifierList))
def test_identifier_list_case(self):
p = sqlparse.parse('a, case when 1 then 2 else 3 end as b, c')[0]
self.assert_(isinstance(p.tokens[0], sql.IdentifierList))
p = sqlparse.parse('(a, case when 1 then 2 else 3 end as b, c)')[0]
self.assert_(isinstance(p.tokens[0].tokens[1], sql.IdentifierList))
def test_identifier_list_other(self): # issue2
p = sqlparse.parse("select *, null, 1, 'foo', bar from mytable, x")[0]
self.assert_(isinstance(p.tokens[2], sql.IdentifierList))
l = p.tokens[2]
self.assertEqual(len(l.tokens), 13)
def test_where(self):
s = 'select * from foo where bar = 1 order by id desc'
p = sqlparse.parse(s)[0]
self.ndiffAssertEqual(s, unicode(p))
self.assertTrue(len(p.tokens), 16)
s = 'select x from (select y from foo where bar = 1) z'
p = sqlparse.parse(s)[0]
self.ndiffAssertEqual(s, unicode(p))
self.assertTrue(isinstance(p.tokens[-3].tokens[-2], sql.Where))
def test_typecast(self):
s = 'select foo::integer from bar'
p = sqlparse.parse(s)[0]
self.ndiffAssertEqual(s, unicode(p))
self.assertEqual(p.tokens[2].get_typecast(), 'integer')
self.assertEqual(p.tokens[2].get_name(), 'foo')
s = 'select (current_database())::information_schema.sql_identifier'
p = sqlparse.parse(s)[0]
self.ndiffAssertEqual(s, unicode(p))
self.assertEqual(p.tokens[2].get_typecast(),
'information_schema.sql_identifier')
def test_alias(self):
s = 'select foo as bar from mytable'
p = sqlparse.parse(s)[0]
self.ndiffAssertEqual(s, unicode(p))
self.assertEqual(p.tokens[2].get_real_name(), 'foo')
self.assertEqual(p.tokens[2].get_alias(), 'bar')
s = 'select foo from mytable t1'
p = sqlparse.parse(s)[0]
self.ndiffAssertEqual(s, unicode(p))
self.assertEqual(p.tokens[6].get_real_name(), 'mytable')
self.assertEqual(p.tokens[6].get_alias(), 't1')
s = 'select foo::integer as bar from mytable'
p = sqlparse.parse(s)[0]
self.ndiffAssertEqual(s, unicode(p))
self.assertEqual(p.tokens[2].get_alias(), 'bar')
s = ('SELECT DISTINCT '
'(current_database())::information_schema.sql_identifier AS view')
p = sqlparse.parse(s)[0]
self.ndiffAssertEqual(s, unicode(p))
self.assertEqual(p.tokens[4].get_alias(), 'view')
def test_alias_case(self): # see issue46
p = sqlparse.parse('CASE WHEN 1 THEN 2 ELSE 3 END foo')[0]
self.assertEqual(len(p.tokens), 1)
self.assertEqual(p.tokens[0].get_alias(), 'foo')
def test_idlist_function(self): # see issue10 too
p = sqlparse.parse('foo(1) x, bar')[0]
self.assert_(isinstance(p.tokens[0], sql.IdentifierList))
def test_comparison_exclude(self):
# make sure operators are not handled too lazy
p = sqlparse.parse('(=)')[0]
self.assert_(isinstance(p.tokens[0], sql.Parenthesis))
self.assert_(not isinstance(p.tokens[0].tokens[1], sql.Comparison))
p = sqlparse.parse('(a=1)')[0]
self.assert_(isinstance(p.tokens[0].tokens[1], sql.Comparison))
p = sqlparse.parse('(a>=1)')[0]
self.assert_(isinstance(p.tokens[0].tokens[1], sql.Comparison))
def test_function(self):
p = sqlparse.parse('foo()')[0]
self.assert_(isinstance(p.tokens[0], sql.Function))
p = sqlparse.parse('foo(null, bar)')[0]
self.assert_(isinstance(p.tokens[0], sql.Function))
self.assertEqual(len(list(p.tokens[0].get_parameters())), 2)
class TestStatement(TestCaseBase):
def test_get_type(self):
f = lambda sql: sqlparse.parse(sql)[0]
self.assertEqual(f('select * from foo').get_type(), 'SELECT')
self.assertEqual(f('update foo').get_type(), 'UPDATE')
self.assertEqual(f(' update foo').get_type(), 'UPDATE')
self.assertEqual(f('\nupdate foo').get_type(), 'UPDATE')
self.assertEqual(f('foo').get_type(), 'UNKNOWN')
# Statements that have a whitespace after the closing semicolon
# are parsed as two statements where later only consists of the
# trailing whitespace.
self.assertEqual(f('\n').get_type(), 'UNKNOWN')
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