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
|
module Arel
module Visitors
class DepthFirst < Arel::Visitors::Visitor
def initialize block = nil
@block = block || Proc.new
end
private
def visit o, a = nil
super
@block.call o
end
def unary o, a
visit o.expr, a
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, a
visit o.expressions, a
visit o.alias, a
visit o.distinct, a
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, a
visit o.name, a
visit o.expressions, a
visit o.distinct, a
visit o.alias, a
end
def visit_Arel_Nodes_Count o, a
visit o.expressions, a
visit o.alias, a
visit o.distinct, a
end
def nary o, a
o.children.each { |child| visit child, a }
end
alias :visit_Arel_Nodes_And :nary
def binary o, a
visit o.left, a
visit o.right, a
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_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_TableAlias :binary
alias :visit_Arel_Nodes_Values :binary
def visit_Arel_Nodes_StringJoin o, a
visit o.left, a
end
def visit_Arel_Attribute o, a
visit o.relation, a
visit o.name, a
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, a
visit o.name, a
end
def terminal o, a
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_Arel_SqlLiteral :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, a
visit o.relation, a
visit o.columns, a
visit o.values, a
end
def visit_Arel_Nodes_SelectCore o, a
visit o.projections, a
visit o.source, a
visit o.wheres, a
visit o.groups, a
visit o.windows, a
visit o.having, a
end
def visit_Arel_Nodes_SelectStatement o, a
visit o.cores, a
visit o.orders, a
visit o.limit, a
visit o.lock, a
visit o.offset, a
end
def visit_Arel_Nodes_UpdateStatement o, a
visit o.relation, a
visit o.values, a
visit o.wheres, a
visit o.orders, a
visit o.limit, a
end
def visit_Array o, a
o.each { |i| visit i, a }
end
def visit_Hash o, a
o.each { |k,v| visit(k, a); visit(v, a) }
end
end
end
end
|
