1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
|
from pgcli.packages.parseutils import extract_tables
def test_empty_string():
tables = extract_tables('')
assert tables.to_dict('list') == {'schema': [], 'table': [], 'alias': []}
def test_simple_select_single_table():
tables = extract_tables('select * from abc')
assert tables.to_dict('list') == \
{'schema': [None], 'table': ['abc'], 'alias': [None]}
def test_simple_select_single_table_schema_qualified():
tables = extract_tables('select * from abc.def')
assert tables.to_dict('list') == \
{'schema': ['abc'], 'table': ['def'], 'alias': [None]}
def test_simple_select_multiple_tables():
tables = extract_tables('select * from abc, def')
assert tables.to_dict('list') == \
{'schema': [None, None],
'table': ['abc', 'def'],
'alias': [None, None]}
def test_simple_select_multiple_tables_schema_qualified():
tables = extract_tables('select * from abc.def, ghi.jkl')
assert tables.to_dict('list') == \
{'schema': ['abc', 'ghi'],
'table': ['def', 'jkl'],
'alias': [None, None]}
def test_simple_select_with_cols_single_table():
tables = extract_tables('select a,b from abc')
assert tables.to_dict('list') == \
{'schema': [None], 'table': ['abc'], 'alias': [None]}
def test_simple_select_with_cols_single_table_schema_qualified():
tables = extract_tables('select a,b from abc.def')
assert tables.to_dict('list') == \
{'schema': ['abc'], 'table': ['def'], 'alias': [None]}
def test_simple_select_with_cols_multiple_tables():
tables = extract_tables('select a,b from abc, def')
assert tables.to_dict('list') == \
{'schema': [None, None],
'table': ['abc', 'def'],
'alias': [None, None]}
def test_simple_select_with_cols_multiple_tables():
tables = extract_tables('select a,b from abc.def, def.ghi')
assert tables.to_dict('list') == \
{'schema': ['abc', 'def'],
'table': ['def', 'ghi'],
'alias': [None, None]}
def test_select_with_hanging_comma_single_table():
tables = extract_tables('select a, from abc')
assert tables.to_dict('list') == \
{'schema': [None],
'table': ['abc'],
'alias': [None]}
def test_select_with_hanging_comma_multiple_tables():
tables = extract_tables('select a, from abc, def')
assert tables.to_dict('list') == \
{'schema': [None, None],
'table': ['abc', 'def'],
'alias': [None, None]}
def test_select_with_hanging_period_multiple_tables():
tables = extract_tables('SELECT t1. FROM tabl1 t1, tabl2 t2')
assert tables.to_dict('list') == \
{'schema': [None, None],
'table': ['tabl1', 'tabl2'],
'alias': ['t1', 't2']}
def test_simple_insert_single_table():
tables = extract_tables('insert into abc (id, name) values (1, "def")')
assert tables.to_dict('list') == \
{'schema': [None], 'table': ['abc'], 'alias': ['abc']}
@pytest.mark.xfail
def test_simple_insert_single_table_schema_qualified():
tables = extract_tables('insert into abc.def (id, name) values (1, "def")')
assert tables.to_dict('list') == \
{'schema': ['abc'], 'table': ['def'], 'alias': [None]}
def test_simple_update_table():
tables = extract_tables('update abc set id = 1')
assert tables.to_dict('list') == \
{'schema': [None], 'table': ['abc'], 'alias': [None]}
def test_simple_update_table():
tables = extract_tables('update abc.def set id = 1')
assert tables.to_dict('list') == \
{'schema': ['abc'], 'table': ['def'], 'alias': [None]}
def test_join_table():
tables = extract_tables('SELECT * FROM abc a JOIN def d ON a.id = d.num')
assert tables.to_dict('list') == \
{'schema': [None, None],
'table': ['abc', 'def'],
'alias': ['a', 'd']}
def test_join_table_schema_qualified():
tables = extract_tables('SELECT * FROM abc.def x JOIN ghi.jkl y ON x.id = y.num')
assert tables.to_dict('list') == \
{'schema': ['abc', 'ghi'],
'table': ['def', 'jkl'],
'alias': ['x', 'y']}
def test_join_as_table():
tables = extract_tables('SELECT * FROM my_table AS m WHERE m.a > 5')
assert tables.to_dict('list') == \
{'schema': [None], 'table': ['my_table'], 'alias': ['m']}
|
