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552 lines (433 loc) · 17.8 KB
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# -*- coding: utf-8 -*-
import pytest
import sqlparse
from sqlparse import sql, tokens as T
def test_grouping_parenthesis():
s = 'select (select (x3) x2) and (y2) bar'
parsed = sqlparse.parse(s)[0]
assert str(parsed) == s
assert len(parsed.tokens) == 7
assert isinstance(parsed.tokens[2], sql.Parenthesis)
assert isinstance(parsed.tokens[-1], sql.Identifier)
assert len(parsed.tokens[2].tokens) == 5
assert isinstance(parsed.tokens[2].tokens[3], sql.Identifier)
assert isinstance(parsed.tokens[2].tokens[3].tokens[0], sql.Parenthesis)
assert len(parsed.tokens[2].tokens[3].tokens) == 3
def test_grouping_comments():
s = '/*\n * foo\n */ \n bar'
parsed = sqlparse.parse(s)[0]
assert str(parsed) == s
assert len(parsed.tokens) == 2
@pytest.mark.parametrize('s', ['foo := 1;', 'foo := 1'])
def test_grouping_assignment(s):
parsed = sqlparse.parse(s)[0]
assert len(parsed.tokens) == 1
assert isinstance(parsed.tokens[0], sql.Assignment)
def test_grouping_identifiers():
s = 'select foo.bar from "myscheme"."table" where fail. order'
parsed = sqlparse.parse(s)[0]
assert str(parsed) == s
assert isinstance(parsed.tokens[2], sql.Identifier)
assert isinstance(parsed.tokens[6], sql.Identifier)
assert isinstance(parsed.tokens[8], sql.Where)
s = 'select * from foo where foo.id = 1'
parsed = sqlparse.parse(s)[0]
assert str(parsed) == s
assert isinstance(parsed.tokens[-1].tokens[-1].tokens[0], sql.Identifier)
s = 'select * from (select "foo"."id" from foo)'
parsed = sqlparse.parse(s)[0]
assert str(parsed) == s
assert isinstance(parsed.tokens[-1].tokens[3], sql.Identifier)
for s in ["INSERT INTO `test` VALUES('foo', 'bar');",
"INSERT INTO `test` VALUES(1, 2), (3, 4), (5, 6);",
"INSERT INTO `test(a, b)` VALUES(1, 2), (3, 4), (5, 6);"]:
parsed = sqlparse.parse(s)[0]
types = [l.ttype for l in parsed.tokens if not l.is_whitespace]
assert types == [T.DML, T.Keyword, None, None, T.Punctuation]
assert isinstance(parsed.tokens[6], sql.Values)
s = "select 1.0*(a+b) as col, sum(c)/sum(d) from myschema.mytable"
parsed = sqlparse.parse(s)[0]
assert len(parsed.tokens) == 7
assert isinstance(parsed.tokens[2], sql.IdentifierList)
assert len(parsed.tokens[2].tokens) == 4
identifiers = list(parsed.tokens[2].get_identifiers())
assert len(identifiers) == 2
assert identifiers[0].get_alias() == "col"
@pytest.mark.parametrize('s', [
'1 as f',
'foo as f',
'foo f',
'1/2 as f',
'1/2 f',
'1<2 as f', # issue327
'1<2 f',
])
def test_simple_identifiers(s):
parsed = sqlparse.parse(s)[0]
assert isinstance(parsed.tokens[0], sql.Identifier)
@pytest.mark.parametrize('s', [
'foo, bar',
'sum(a), sum(b)',
'sum(a) as x, b as y',
'sum(a)::integer, b',
'sum(a)/count(b) as x, y',
'sum(a)::integer as x, y',
'sum(a)::integer/count(b) as x, y', # issue297
])
def test_group_identifier_list(s):
parsed = sqlparse.parse(s)[0]
assert isinstance(parsed.tokens[0], sql.IdentifierList)
def test_grouping_identifier_wildcard():
p = sqlparse.parse('a.*, b.id')[0]
assert isinstance(p.tokens[0], sql.IdentifierList)
assert isinstance(p.tokens[0].tokens[0], sql.Identifier)
assert isinstance(p.tokens[0].tokens[-1], sql.Identifier)
def test_grouping_identifier_name_wildcard():
p = sqlparse.parse('a.*')[0]
t = p.tokens[0]
assert t.get_name() == '*'
assert t.is_wildcard() is True
def test_grouping_identifier_invalid():
p = sqlparse.parse('a.')[0]
assert isinstance(p.tokens[0], sql.Identifier)
assert p.tokens[0].has_alias() is False
assert p.tokens[0].get_name() is None
assert p.tokens[0].get_real_name() is None
assert p.tokens[0].get_parent_name() == 'a'
def test_grouping_identifier_invalid_in_middle():
# issue261
s = 'SELECT foo. FROM foo'
p = sqlparse.parse(s)[0]
assert isinstance(p[2], sql.Identifier)
assert p[2][1].ttype == T.Punctuation
assert p[3].ttype == T.Whitespace
assert str(p[2]) == 'foo.'
def test_grouping_identifier_as_invalid():
# issue8
p = sqlparse.parse('foo as select *')[0]
assert len(p.tokens), 5
assert isinstance(p.tokens[0], sql.Identifier)
assert len(p.tokens[0].tokens) == 1
assert p.tokens[2].ttype == T.Keyword
def test_grouping_identifier_function():
p = sqlparse.parse('foo() as bar')[0]
assert isinstance(p.tokens[0], sql.Identifier)
assert isinstance(p.tokens[0].tokens[0], sql.Function)
p = sqlparse.parse('foo()||col2 bar')[0]
assert isinstance(p.tokens[0], sql.Identifier)
assert isinstance(p.tokens[0].tokens[0], sql.Operation)
assert isinstance(p.tokens[0].tokens[0].tokens[0], sql.Function)
@pytest.mark.parametrize('s', ['foo+100', 'foo + 100', 'foo*100'])
def test_grouping_operation(s):
p = sqlparse.parse(s)[0]
assert isinstance(p.tokens[0], sql.Operation)
def test_grouping_identifier_list():
p = sqlparse.parse('a, b, c')[0]
assert isinstance(p.tokens[0], sql.IdentifierList)
p = sqlparse.parse('(a, b, c)')[0]
assert isinstance(p.tokens[0].tokens[1], sql.IdentifierList)
def test_grouping_identifier_list_subquery():
"""identifier lists should still work in subqueries with aliases"""
p = sqlparse.parse("select * from ("
"select a, b + c as d from table) sub")[0]
subquery = p.tokens[-1].tokens[0]
idx, iden_list = subquery.token_next_by(i=sql.IdentifierList)
assert iden_list is not None
# all the identifiers should be within the IdentifierList
_, ilist = subquery.token_next_by(i=sql.Identifier, idx=idx)
assert ilist is None
def test_grouping_identifier_list_case():
p = sqlparse.parse('a, case when 1 then 2 else 3 end as b, c')[0]
assert isinstance(p.tokens[0], sql.IdentifierList)
p = sqlparse.parse('(a, case when 1 then 2 else 3 end as b, c)')[0]
assert isinstance(p.tokens[0].tokens[1], sql.IdentifierList)
def test_grouping_identifier_list_other():
# issue2
p = sqlparse.parse("select *, null, 1, 'foo', bar from mytable, x")[0]
assert isinstance(p.tokens[2], sql.IdentifierList)
assert len(p.tokens[2].tokens) == 13
def test_grouping_identifier_list_with_inline_comments():
# issue163
p = sqlparse.parse('foo /* a comment */, bar')[0]
assert isinstance(p.tokens[0], sql.IdentifierList)
assert isinstance(p.tokens[0].tokens[0], sql.Identifier)
assert isinstance(p.tokens[0].tokens[3], sql.Identifier)
def test_grouping_identifiers_with_operators():
p = sqlparse.parse('a+b as c from table where (d-e)%2= 1')[0]
assert len([x for x in p.flatten() if x.ttype == T.Name]) == 5
def test_grouping_identifier_list_with_order():
# issue101
p = sqlparse.parse('1, 2 desc, 3')[0]
assert isinstance(p.tokens[0], sql.IdentifierList)
assert isinstance(p.tokens[0].tokens[3], sql.Identifier)
assert str(p.tokens[0].tokens[3]) == '2 desc'
def test_grouping_where():
s = 'select * from foo where bar = 1 order by id desc'
p = sqlparse.parse(s)[0]
assert str(p) == s
assert len(p.tokens) == 12
s = 'select x from (select y from foo where bar = 1) z'
p = sqlparse.parse(s)[0]
assert str(p) == s
assert isinstance(p.tokens[-1].tokens[0].tokens[-2], sql.Where)
@pytest.mark.parametrize('s', (
'select 1 where 1 = 2 union select 2',
'select 1 where 1 = 2 union all select 2',
))
def test_grouping_where_union(s):
p = sqlparse.parse(s)[0]
assert p.tokens[5].value.startswith('union')
def test_returning_kw_ends_where_clause():
s = 'delete from foo where x > y returning z'
p = sqlparse.parse(s)[0]
assert isinstance(p.tokens[6], sql.Where)
assert p.tokens[7].ttype == T.Keyword
assert p.tokens[7].value == 'returning'
def test_into_kw_ends_where_clause(): # issue324
s = 'select * from foo where a = 1 into baz'
p = sqlparse.parse(s)[0]
assert isinstance(p.tokens[8], sql.Where)
assert p.tokens[9].ttype == T.Keyword
assert p.tokens[9].value == 'into'
@pytest.mark.parametrize('sql, expected', [
# note: typecast needs to be 2nd token for this test
('select foo::integer from bar', 'integer'),
('select (current_database())::information_schema.sql_identifier',
'information_schema.sql_identifier'),
])
def test_grouping_typecast(sql, expected):
p = sqlparse.parse(sql)[0]
assert p.tokens[2].get_typecast() == expected
def test_grouping_alias():
s = 'select foo as bar from mytable'
p = sqlparse.parse(s)[0]
assert str(p) == s
assert p.tokens[2].get_real_name() == 'foo'
assert p.tokens[2].get_alias() == 'bar'
s = 'select foo from mytable t1'
p = sqlparse.parse(s)[0]
assert str(p) == s
assert p.tokens[6].get_real_name() == 'mytable'
assert p.tokens[6].get_alias() == 't1'
s = 'select foo::integer as bar from mytable'
p = sqlparse.parse(s)[0]
assert str(p) == s
assert p.tokens[2].get_alias() == 'bar'
s = ('SELECT DISTINCT '
'(current_database())::information_schema.sql_identifier AS view')
p = sqlparse.parse(s)[0]
assert str(p) == s
assert p.tokens[4].get_alias() == 'view'
def test_grouping_alias_case():
# see issue46
p = sqlparse.parse('CASE WHEN 1 THEN 2 ELSE 3 END foo')[0]
assert len(p.tokens) == 1
assert p.tokens[0].get_alias() == 'foo'
def test_grouping_subquery_no_parens():
# Not totally sure if this is the right approach...
# When a THEN clause contains a subquery w/o parenthesis around it *and*
# a WHERE condition, the WHERE grouper consumes END too.
# This takes makes sure that it doesn't fail.
p = sqlparse.parse('CASE WHEN 1 THEN select 2 where foo = 1 end')[0]
assert len(p.tokens) == 1
assert isinstance(p.tokens[0], sql.Case)
def test_grouping_alias_returns_none():
# see issue185
p = sqlparse.parse('foo.bar')[0]
assert len(p.tokens) == 1
assert p.tokens[0].get_alias() is None
def test_grouping_idlist_function():
# see issue10 too
p = sqlparse.parse('foo(1) x, bar')[0]
assert isinstance(p.tokens[0], sql.IdentifierList)
def test_grouping_comparison_exclude():
# make sure operators are not handled too lazy
p = sqlparse.parse('(=)')[0]
assert isinstance(p.tokens[0], sql.Parenthesis)
assert not isinstance(p.tokens[0].tokens[1], sql.Comparison)
p = sqlparse.parse('(a=1)')[0]
assert isinstance(p.tokens[0].tokens[1], sql.Comparison)
p = sqlparse.parse('(a>=1)')[0]
assert isinstance(p.tokens[0].tokens[1], sql.Comparison)
def test_grouping_function():
p = sqlparse.parse('foo()')[0]
assert isinstance(p.tokens[0], sql.Function)
p = sqlparse.parse('foo(null, bar)')[0]
assert isinstance(p.tokens[0], sql.Function)
assert len(list(p.tokens[0].get_parameters())) == 2
def test_grouping_function_not_in():
# issue183
p = sqlparse.parse('in(1, 2)')[0]
assert len(p.tokens) == 2
assert p.tokens[0].ttype == T.Keyword
assert isinstance(p.tokens[1], sql.Parenthesis)
def test_grouping_varchar():
p = sqlparse.parse('"text" Varchar(50) NOT NULL')[0]
assert isinstance(p.tokens[2], sql.Function)
def test_statement_get_type():
def f(sql):
return sqlparse.parse(sql)[0]
assert f('select * from foo').get_type() == 'SELECT'
assert f('update foo').get_type() == 'UPDATE'
assert f(' update foo').get_type() == 'UPDATE'
assert f('\nupdate foo').get_type() == 'UPDATE'
assert 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.
assert f('\n').get_type() == 'UNKNOWN'
def test_identifier_with_operators():
# issue 53
p = sqlparse.parse('foo||bar')[0]
assert len(p.tokens) == 1
assert isinstance(p.tokens[0], sql.Operation)
# again with whitespaces
p = sqlparse.parse('foo || bar')[0]
assert len(p.tokens) == 1
assert isinstance(p.tokens[0], sql.Operation)
def test_identifier_with_op_trailing_ws():
# make sure trailing whitespace isn't grouped with identifier
p = sqlparse.parse('foo || bar ')[0]
assert len(p.tokens) == 2
assert isinstance(p.tokens[0], sql.Operation)
assert p.tokens[1].ttype is T.Whitespace
def test_identifier_with_string_literals():
p = sqlparse.parse("foo + 'bar'")[0]
assert len(p.tokens) == 1
assert isinstance(p.tokens[0], sql.Operation)
# This test seems to be wrong. It was introduced when fixing #53, but #111
# showed that this shouldn't be an identifier at all. I'm leaving this
# commented in the source for a while.
# def test_identifier_string_concat():
# p = sqlparse.parse("'foo' || bar")[0]
# assert len(p.tokens) == 1
# assert isinstance(p.tokens[0], sql.Identifier)
def test_identifier_consumes_ordering():
# issue89
p = sqlparse.parse('select * from foo order by c1 desc, c2, c3')[0]
assert isinstance(p.tokens[-1], sql.IdentifierList)
ids = list(p.tokens[-1].get_identifiers())
assert len(ids) == 3
assert ids[0].get_name() == 'c1'
assert ids[0].get_ordering() == 'DESC'
assert ids[1].get_name() == 'c2'
assert ids[1].get_ordering() is None
def test_comparison_with_keywords():
# issue90
# in fact these are assignments, but for now we don't distinguish them
p = sqlparse.parse('foo = NULL')[0]
assert len(p.tokens) == 1
assert isinstance(p.tokens[0], sql.Comparison)
assert len(p.tokens[0].tokens) == 5
assert p.tokens[0].left.value == 'foo'
assert p.tokens[0].right.value == 'NULL'
# make sure it's case-insensitive
p = sqlparse.parse('foo = null')[0]
assert len(p.tokens) == 1
assert isinstance(p.tokens[0], sql.Comparison)
def test_comparison_with_floats():
# issue145
p = sqlparse.parse('foo = 25.5')[0]
assert len(p.tokens) == 1
assert isinstance(p.tokens[0], sql.Comparison)
assert len(p.tokens[0].tokens) == 5
assert p.tokens[0].left.value == 'foo'
assert p.tokens[0].right.value == '25.5'
def test_comparison_with_parenthesis():
# issue23
p = sqlparse.parse('(3 + 4) = 7')[0]
assert len(p.tokens) == 1
assert isinstance(p.tokens[0], sql.Comparison)
comp = p.tokens[0]
assert isinstance(comp.left, sql.Parenthesis)
assert comp.right.ttype is T.Number.Integer
def test_comparison_with_strings():
# issue148
p = sqlparse.parse("foo = 'bar'")[0]
assert len(p.tokens) == 1
assert isinstance(p.tokens[0], sql.Comparison)
assert p.tokens[0].right.value == "'bar'"
assert p.tokens[0].right.ttype == T.String.Single
def test_comparison_with_functions():
# issue230
p = sqlparse.parse('foo = DATE(bar.baz)')[0]
assert len(p.tokens) == 1
assert isinstance(p.tokens[0], sql.Comparison)
assert len(p.tokens[0].tokens) == 5
assert p.tokens[0].left.value == 'foo'
assert p.tokens[0].right.value == 'DATE(bar.baz)'
p = sqlparse.parse('DATE(foo.bar) = DATE(bar.baz)')[0]
assert len(p.tokens) == 1
assert isinstance(p.tokens[0], sql.Comparison)
assert len(p.tokens[0].tokens) == 5
assert p.tokens[0].left.value == 'DATE(foo.bar)'
assert p.tokens[0].right.value == 'DATE(bar.baz)'
p = sqlparse.parse('DATE(foo.bar) = bar.baz')[0]
assert len(p.tokens) == 1
assert isinstance(p.tokens[0], sql.Comparison)
assert len(p.tokens[0].tokens) == 5
assert p.tokens[0].left.value == 'DATE(foo.bar)'
assert p.tokens[0].right.value == 'bar.baz'
@pytest.mark.parametrize('start', ['FOR', 'FOREACH'])
def test_forloops(start):
p = sqlparse.parse('{0} foo in bar LOOP foobar END LOOP'.format(start))[0]
assert (len(p.tokens)) == 1
assert isinstance(p.tokens[0], sql.For)
def test_nested_for():
p = sqlparse.parse('FOR foo LOOP FOR bar LOOP END LOOP END LOOP')[0]
assert len(p.tokens) == 1
for1 = p.tokens[0]
assert for1.tokens[0].value == 'FOR'
assert for1.tokens[-1].value == 'END LOOP'
for2 = for1.tokens[6]
assert isinstance(for2, sql.For)
assert for2.tokens[0].value == 'FOR'
assert for2.tokens[-1].value == 'END LOOP'
def test_begin():
p = sqlparse.parse('BEGIN foo END')[0]
assert len(p.tokens) == 1
assert isinstance(p.tokens[0], sql.Begin)
def test_keyword_followed_by_parenthesis():
p = sqlparse.parse('USING(somecol')[0]
assert len(p.tokens) == 3
assert p.tokens[0].ttype == T.Keyword
assert p.tokens[1].ttype == T.Punctuation
def test_nested_begin():
p = sqlparse.parse('BEGIN foo BEGIN bar END END')[0]
assert len(p.tokens) == 1
outer = p.tokens[0]
assert outer.tokens[0].value == 'BEGIN'
assert outer.tokens[-1].value == 'END'
inner = outer.tokens[4]
assert inner.tokens[0].value == 'BEGIN'
assert inner.tokens[-1].value == 'END'
assert isinstance(inner, sql.Begin)
def test_aliased_column_without_as():
p = sqlparse.parse('foo bar')[0].tokens
assert len(p) == 1
assert p[0].get_real_name() == 'foo'
assert p[0].get_alias() == 'bar'
p = sqlparse.parse('foo.bar baz')[0].tokens[0]
assert p.get_parent_name() == 'foo'
assert p.get_real_name() == 'bar'
assert p.get_alias() == 'baz'
def test_qualified_function():
p = sqlparse.parse('foo()')[0].tokens[0]
assert p.get_parent_name() is None
assert p.get_real_name() == 'foo'
p = sqlparse.parse('foo.bar()')[0].tokens[0]
assert p.get_parent_name() == 'foo'
assert p.get_real_name() == 'bar'
def test_aliased_function_without_as():
p = sqlparse.parse('foo() bar')[0].tokens[0]
assert p.get_parent_name() is None
assert p.get_real_name() == 'foo'
assert p.get_alias() == 'bar'
p = sqlparse.parse('foo.bar() baz')[0].tokens[0]
assert p.get_parent_name() == 'foo'
assert p.get_real_name() == 'bar'
assert p.get_alias() == 'baz'
def test_aliased_literal_without_as():
p = sqlparse.parse('1 foo')[0].tokens
assert len(p) == 1
assert p[0].get_alias() == 'foo'