Sha256: 44e20375f9296454c0ee71cf227a458776bc043c8ce8ddfa7e6bf9b886a494b7
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Versions: 7
Compression:
Stored size: 1.52 KB
Contents
class Card
class Query
class Value
include Clause
attr_reader :query, :operator, :value
def initialize rawvalue, query
@query = query
@operator, @value = parse_value rawvalue
canonicalize_operator
end
def parse_value rawvalue
operator =
case rawvalue
when Array; rawvalue.shift
when String; '='
when Integer; '='
else raise("Invalid Condition Clause #{rawvalue}.inspect}")
end
[operator, rawvalue]
end
def canonicalize_operator
if target = OPERATORS[@operator.to_s]
@operator = target
else
fail BadQuery, "Invalid Operator #{@operator}"
end
end
def sqlize v
case v
when Query; v.to_sql
when Array; "(" + v.flatten.collect {|x| sqlize(x)}.join(',') + ")"
else quote(v.to_s)
end
end
def to_sql field
op,v = @operator, @value
table = @query.table_alias
field, v = case field.to_s
when "name"
["#{table}.key", [v].flatten.map(&:to_name).map(&:key)]
when "content"
["#{table}.db_content", v]
else
["#{table}.#{safe_sql field}", v]
end
v = v[0] if Array===v && v.length==1 && op != 'in'
if op=='~'
cxn, v = match_prep(v)
%{#{field} #{cxn.match(sqlize(v))}}
else
"#{field} #{op} #{sqlize(v)}"
end
end
end
end
end
Version data entries
7 entries across 7 versions & 1 rubygems