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author | Sven Fuchs <svenfuchs@artweb-design.de> | 2010-12-07 10:05:42 +0100 |
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committer | Sven Fuchs <svenfuchs@artweb-design.de> | 2010-12-07 10:05:42 +0100 |
commit | 1135c2c0884bfddffa39b784d71cd3fb22bd8988 (patch) | |
tree | 0b5c71138dcc3c35e20ea4c4babf865a964d54a4 /lib/arel/visitors/to_sql.rb | |
parent | 54d62de817f19dfaa206584516ecaedbdbbaea98 (diff) | |
download | rails-1135c2c0884bfddffa39b784d71cd3fb22bd8988.tar.gz rails-1135c2c0884bfddffa39b784d71cd3fb22bd8988.tar.bz2 rails-1135c2c0884bfddffa39b784d71cd3fb22bd8988.zip |
implementation for passing a subquery to #in and #not_in
Diffstat (limited to 'lib/arel/visitors/to_sql.rb')
-rw-r--r-- | lib/arel/visitors/to_sql.rb | 18 |
1 files changed, 10 insertions, 8 deletions
diff --git a/lib/arel/visitors/to_sql.rb b/lib/arel/visitors/to_sql.rb index 35a0d9746f..f4c529bf92 100644 --- a/lib/arel/visitors/to_sql.rb +++ b/lib/arel/visitors/to_sql.rb @@ -101,6 +101,10 @@ module Arel }.join ', '})" end + def visit_Arel_SelectManager o + o.to_sql + end + def visit_Arel_Nodes_SelectStatement o [ o.cores.map { |x| visit_Arel_Nodes_SelectCore x }.join, @@ -233,17 +237,11 @@ module Arel end def visit_Arel_Nodes_In o - right = o.right - "#{visit o.left} IN (#{ - right.empty? ? 'NULL' : right.map { |x| visit x }.join(', ') - })" + "#{visit o.left} IN (#{visit o.right})" end def visit_Arel_Nodes_NotIn o - right = o.right - "#{visit o.left} NOT IN (#{ - right.empty? ? 'NULL' : right.map { |x| visit x }.join(', ') - })" + "#{visit o.left} NOT IN (#{visit o.right})" end def visit_Arel_Nodes_And o @@ -320,6 +318,10 @@ module Arel alias :visit_ActiveSupport_StringInquirer :visit_String alias :visit_Class :visit_String + def visit_Array o + o.empty? ? 'NULL' : o.map { |x| visit x }.join(', ') + end + def quote value, column = nil @connection.quote value, column end |