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1 | use warnings; |
2 | use strict; |
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3 | |
4 | use Test::More; |
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5 | use Test::Exception; |
6 | |
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7 | use SQL::Abstract::Test import => [qw(is_same_sql dumper)]; |
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8 | use SQL::Abstract::Tree; |
9 | |
10 | my $sqlat = SQL::Abstract::Tree->new; |
11 | |
12 | my @sql = ( |
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13 | "INSERT INTO artist DEFAULT VALUES", |
14 | "INSERT INTO artist VALUES ()", |
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15 | "SELECT a, b, c FROM foo WHERE foo.a = 1 and foo.b LIKE 'station'", |
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16 | "SELECT COUNT( * ) FROM foo", |
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17 | "SELECT COUNT( * ), SUM( blah ) FROM foo", |
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18 | "SELECT * FROM (SELECT * FROM foobar) WHERE foo.a = 1 and foo.b LIKE 'station'", |
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19 | "SELECT * FROM lolz WHERE ( foo.a = 1 ) and foo.b LIKE 'station'", |
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20 | "SELECT [screen].[id], [screen].[name], [screen].[section_id], [screen].[xtype] FROM [users_roles] [me] JOIN [roles] [role] ON [role].[id] = [me].[role_id] JOIN [roles_permissions] [role_permissions] ON [role_permissions].[role_id] = [role].[id] JOIN [permissions] [permission] ON [permission].[id] = [role_permissions].[permission_id] JOIN [permissionscreens] [permission_screens] ON [permission_screens].[permission_id] = [permission].[id] JOIN [screens] [screen] ON [screen].[id] = [permission_screens].[screen_id] WHERE ( [me].[user_id] = ? ) GROUP BY [screen].[id], [screen].[name], [screen].[section_id], [screen].[xtype]", |
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21 | "SELECT * FROM foo WHERE NOT EXISTS (SELECT bar FROM baz)", |
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22 | "SELECT * FROM (SELECT SUM (CASE WHEN me.artist = 'foo' THEN 1 ELSE 0 END AS artist_sum) FROM foobar) WHERE foo.a = 1 and foo.b LIKE 'station'", |
23 | "SELECT COUNT( * ) FROM foo me JOIN bar rel_bar ON rel_bar.id_bar = me.fk_bar WHERE NOT EXISTS (SELECT inner_baz.id_baz FROM baz inner_baz WHERE ( ( inner_baz.fk_a != ? AND ( fk_bar = me.fk_bar AND name = me.name ) ) ) )", |
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24 | "SELECT foo AS bar FROM baz ORDER BY x + ? DESC, oomph, y - ? DESC, unf, baz.g / ? ASC, buzz * 0 DESC, foo DESC, ickk ASC", |
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25 | "SELECT inner_forum_roles.forum_id FROM forum_roles AS inner_forum_roles LEFT JOIN user_roles AS inner_user_roles USING(user_role_type_id) WHERE inner_user_roles.user_id = users__row.user_id", |
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26 | "SELECT * FROM foo WHERE foo.a @@ to_tsquery('word')", |
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27 | "SELECT * FROM foo ORDER BY name + ?, [me].[id]", |
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28 | "SELECT foo AS bar FROM baz ORDER BY x + ? DESC, baz.g", |
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29 | ); |
30 | |
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31 | # FIXME FIXME FIXME |
32 | # The formatter/unparser accumulated a ton of technical debt, |
33 | # and I don't have time to fix it all :( Some of the problems: |
34 | # - format() does an implicit parenthesis unroll for prettyness |
35 | # which makes it hard to do exact comparisons |
36 | # - there is no space preservation framework (also makes comparisons |
37 | # problematic) |
38 | # - there is no operator case preservation framework either |
39 | # |
40 | # So what we do instead is resort to some monkey patching and |
41 | # lowercasing and stuff to get something we can compare to the |
42 | # original SQL string |
43 | # Ugly but somewhat effective |
44 | |
45 | for my $orig (@sql) { |
46 | my $plain_formatted = $sqlat->format($orig); |
47 | is_same_sql( $plain_formatted, $orig, 'Formatted string is_same_sql()-matched' ); |
48 | |
49 | my $ast = $sqlat->parse($orig); |
50 | my $reassembled = do { |
51 | no warnings 'redefine'; |
52 | local *SQL::Abstract::Tree::_parenthesis_unroll = sub {}; |
53 | $sqlat->unparse($ast); |
54 | }; |
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55 | |
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56 | # deal with parenthesis readjustment |
57 | $_ =~ s/\s*([\(\)])\s*/$1 /g |
58 | for ($orig, $reassembled); |
59 | |
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60 | is ( |
61 | lc($reassembled), |
62 | lc($orig), |
63 | sprintf( 'roundtrip works (%s...)', substr $orig, 0, 20 ) |
64 | ) or do { |
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65 | my ($ast1, $ast2) = map { dumper( $sqlat->parse($_) ) } ( $orig, $reassembled ); |
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66 | |
67 | note "ast1: $ast1"; |
68 | note "ast2: $ast2"; |
69 | }; |
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70 | } |
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71 | |
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72 | lives_ok { $sqlat->unparse( $sqlat->parse( <<'EOS' ) ) } 'Able to parse/unparse grossly malformed sql'; |
73 | SELECT |
74 | ( |
75 | SELECT *, * FROM EXISTS bar JOIN ON a = b |
76 | NOT WHERE c !!= d |
77 | ), |
78 | NOT x, |
79 | ( |
80 | SELECT * FROM bar WHERE NOT NOT EXISTS (SELECT 1) |
81 | ), |
82 | WHERE NOT NOT 1 AND OR foo IN (1,2,,,3,,,), |
83 | GROUP BY bar |
84 | |
85 | EOS |
86 | |
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87 | done_testing; |