blob: 7043e5d527e26a8bf8ea3c6efa0e0720d3e72c7e (
plain) (
blame)
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
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
|
module Arel
module Visitors
class DepthFirst < Arel::Visitors::Visitor
def initialize block = nil
@block = block || Proc.new
end
private
def visit o
super
@block.call o
end
def unary o
visit o.expr
end
alias :visit_Arel_Nodes_Group :unary
alias :visit_Arel_Nodes_Grouping :unary
alias :visit_Arel_Nodes_Having :unary
alias :visit_Arel_Nodes_Limit :unary
alias :visit_Arel_Nodes_Not :unary
alias :visit_Arel_Nodes_Offset :unary
alias :visit_Arel_Nodes_On :unary
alias :visit_Arel_Nodes_Ordering :unary
alias :visit_Arel_Nodes_Ascending :unary
alias :visit_Arel_Nodes_Descending :unary
alias :visit_Arel_Nodes_Top :unary
alias :visit_Arel_Nodes_UnqualifiedColumn :unary
def function o
visit o.expressions
visit o.alias
visit o.distinct
end
alias :visit_Arel_Nodes_Avg :function
alias :visit_Arel_Nodes_Exists :function
alias :visit_Arel_Nodes_Max :function
alias :visit_Arel_Nodes_Min :function
alias :visit_Arel_Nodes_Sum :function
def visit_Arel_Nodes_NamedFunction o
visit o.name
visit o.expressions
visit o.distinct
visit o.alias
end
def visit_Arel_Nodes_Count o
visit o.expressions
visit o.alias
visit o.distinct
end
def nary o
o.children.each { |child| visit child}
end
alias :visit_Arel_Nodes_And :nary
def binary o
visit o.left
visit o.right
end
alias :visit_Arel_Nodes_As :binary
alias :visit_Arel_Nodes_Assignment :binary
alias :visit_Arel_Nodes_Between :binary
alias :visit_Arel_Nodes_DeleteStatement :binary
alias :visit_Arel_Nodes_DoesNotMatch :binary
alias :visit_Arel_Nodes_Equality :binary
alias :visit_Arel_Nodes_FullOuterJoin :binary
alias :visit_Arel_Nodes_GreaterThan :binary
alias :visit_Arel_Nodes_GreaterThanOrEqual :binary
alias :visit_Arel_Nodes_In :binary
alias :visit_Arel_Nodes_InfixOperation :binary
alias :visit_Arel_Nodes_JoinSource :binary
alias :visit_Arel_Nodes_InnerJoin :binary
alias :visit_Arel_Nodes_LessThan :binary
alias :visit_Arel_Nodes_LessThanOrEqual :binary
alias :visit_Arel_Nodes_Matches :binary
alias :visit_Arel_Nodes_NotEqual :binary
alias :visit_Arel_Nodes_NotIn :binary
alias :visit_Arel_Nodes_Or :binary
alias :visit_Arel_Nodes_OuterJoin :binary
alias :visit_Arel_Nodes_RightOuterJoin :binary
alias :visit_Arel_Nodes_TableAlias :binary
alias :visit_Arel_Nodes_Values :binary
def visit_Arel_Nodes_StringJoin o
visit o.left
end
def visit_Arel_Attribute o
visit o.relation
visit o.name
end
alias :visit_Arel_Attributes_Integer :visit_Arel_Attribute
alias :visit_Arel_Attributes_Float :visit_Arel_Attribute
alias :visit_Arel_Attributes_String :visit_Arel_Attribute
alias :visit_Arel_Attributes_Time :visit_Arel_Attribute
alias :visit_Arel_Attributes_Boolean :visit_Arel_Attribute
alias :visit_Arel_Attributes_Attribute :visit_Arel_Attribute
alias :visit_Arel_Attributes_Decimal :visit_Arel_Attribute
def visit_Arel_Table o
visit o.name
end
def terminal o
end
alias :visit_ActiveSupport_Multibyte_Chars :terminal
alias :visit_ActiveSupport_StringInquirer :terminal
alias :visit_Arel_Nodes_Lock :terminal
alias :visit_Arel_Nodes_Node :terminal
alias :visit_Arel_Nodes_SqlLiteral :terminal
alias :visit_Arel_Nodes_BindParam :terminal
alias :visit_Arel_Nodes_Window :terminal
alias :visit_BigDecimal :terminal
alias :visit_Bignum :terminal
alias :visit_Class :terminal
alias :visit_Date :terminal
alias :visit_DateTime :terminal
alias :visit_FalseClass :terminal
alias :visit_Fixnum :terminal
alias :visit_Float :terminal
alias :visit_NilClass :terminal
alias :visit_String :terminal
alias :visit_Symbol :terminal
alias :visit_Time :terminal
alias :visit_TrueClass :terminal
def visit_Arel_Nodes_InsertStatement o
visit o.relation
visit o.columns
visit o.values
end
def visit_Arel_Nodes_SelectCore o
visit o.projections
visit o.source
visit o.wheres
visit o.groups
visit o.windows
visit o.having
end
def visit_Arel_Nodes_SelectStatement o
visit o.cores
visit o.orders
visit o.limit
visit o.lock
visit o.offset
end
def visit_Arel_Nodes_UpdateStatement o
visit o.relation
visit o.values
visit o.wheres
visit o.orders
visit o.limit
end
def visit_Array o
o.each { |i| visit i }
end
def visit_Hash o
o.each { |k,v| visit(k); visit(v) }
end
end
end
end
|
