diff options
Diffstat (limited to 'lib/arel/visitors')
-rw-r--r-- | lib/arel/visitors/to_sql.rb | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/lib/arel/visitors/to_sql.rb b/lib/arel/visitors/to_sql.rb index 9694ed4cb8..b8a991b965 100644 --- a/lib/arel/visitors/to_sql.rb +++ b/lib/arel/visitors/to_sql.rb @@ -10,6 +10,7 @@ module Arel @last_column = nil @quoted_tables = {} @quoted_columns = {} + @column_cache = {} end def accept object @@ -66,9 +67,17 @@ module Arel o.alias ? " AS #{visit o.alias}" : ''}" end + def column_for relation, name + name = name.to_s + table = relation.name + + columns = @connection.columns(table, "#{table} Columns") + columns.find { |col| col.name.to_s == name } + end + def visit_Arel_Nodes_Values o "VALUES (#{o.expressions.zip(o.columns).map { |value, attr| - quote(value, attr && attr.column) + quote(value, attr && column_for(attr.relation, attr.name)) }.join ', '})" end |