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arbitrary functions

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This commit is contained in:
Loic Nageleisen 2017-03-03 14:53:28 +01:00
parent 892b21eaf8
commit 448a342d5f
2 changed files with 13 additions and 0 deletions
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9
lib/rebel/sql.rb
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@ -218,6 +218,11 @@ module Rebel::SQL
## Functions ## Functions
def function(name, *args)
raw("#{name}(#{names_or_values(*args)})")
end
alias fn function
def count(*n) def count(*n)
raw("COUNT(#{names(*n)})") raw("COUNT(#{names(*n)})")
end end
@ -282,6 +287,10 @@ module Rebel::SQL
item.is_a?(Symbol) ? name(item) : value(item) item.is_a?(Symbol) ? name(item) : value(item)
end end
def names_or_values(*items)
list(items.map { |v| name_or_value(v) })
end
def equal(l, r) def equal(l, r)
"#{name_or_value(l)} = #{name_or_value(r)}" "#{name_or_value(l)} = #{name_or_value(r)}"
end end

4
test/test_raw.rb
View file

@ -68,4 +68,8 @@ class TestRaw < Minitest::Test
def test_join def test_join
assert_str_equal(Rebel::SQL.join(:foo), 'JOIN "foo"') assert_str_equal(Rebel::SQL.join(:foo), 'JOIN "foo"')
end end
def test_function
assert_str_equal(Rebel::SQL.function('COALESCE', :foo, 0), 'COALESCE("foo", 0)')
end
end end