Sha256: 57f4f63ab537ba5d8cf036fb59c6c5b7c25e290deeb5579a581bf7abb43fcdad
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Versions: 62
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Contents
module Bmg
module Sql
module SetOperator
include Expr
def head_expr
self[2]
end
def tail_exprs
self[3..-1]
end
def set_quantifier
self[1]
end
def with_exp?
false
end
def set_operator?
true
end
def is_table_dee?
false
end
def distinct?
set_quantifier.distinct?
end
def all?
set_quantifier.all?
end
def should_be_reused?
true
end
def order_by_clause
nil
end
def to_attr_list
self.last.to_attr_list
end
def to_sql(buffer, dialect, parenthesize = !buffer.empty?)
if parenthesize
sql_parenthesized(buffer){|b| to_sql(b, dialect, false) }
else
left.to_sql(buffer, dialect, true)
buffer << SPACE << keyword
unless distinct?
buffer << SPACE
set_quantifier.to_sql(buffer, dialect)
end
buffer << SPACE
right.to_sql(buffer, dialect, true)
buffer
end
end
end # module SetOperator
end # module Sql
end # module Bmg
Version data entries
62 entries across 62 versions & 1 rubygems