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Merge pull request #106 from jhollinger/informix_joins

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Patch Informix Visitor so that it includes joins
This commit is contained in:
Aaron Patterson 2012-03-14 16:21:45 -07:00
commit 660768f57c
2 changed files with 11 additions and 1 deletions
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2
lib/arel/visitors/informix.rb
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@ -15,7 +15,7 @@ module Arel
def visit_Arel_Nodes_SelectCore o
[
"#{o.projections.map { |x| visit x }.join ', '}",
("FROM #{visit o.froms}" if o.froms),
("FROM #{visit(o.source)}" if o.source && !o.source.empty?),
("WHERE #{o.wheres.map { |x| visit x }.join ' AND ' }" unless o.wheres.empty?),
("GROUP BY #{o.groups.map { |x| visit x }.join ', ' }" unless o.groups.empty?),
(visit(o.having) if o.having),

10
test/visitors/test_informix.rb
View file

@ -37,6 +37,16 @@ module Arel
sql.must_be_like "SELECT SKIP 1 LIMIT 1"
end
it 'uses INNER JOIN to perform joins' do
core = Nodes::SelectCore.new
table = Table.new(:posts)
core.source = Nodes::JoinSource.new(table, [table.create_join(Table.new(:comments))])
stmt = Nodes::SelectStatement.new([core])
sql = @visitor.accept(stmt)
sql.must_be_like 'SELECT FROM "posts" INNER JOIN "comments"'
end
end
end
end