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-rw-r--r--lib/arel/engines/sql/relations/writes.rb7
1 files changed, 6 insertions, 1 deletions
diff --git a/lib/arel/engines/sql/relations/writes.rb b/lib/arel/engines/sql/relations/writes.rb
index 471fceabd8..b90d380c64 100644
--- a/lib/arel/engines/sql/relations/writes.rb
+++ b/lib/arel/engines/sql/relations/writes.rb
@@ -48,7 +48,12 @@ module Arel
conditions << " LIMIT #{taken}"
if engine.adapter_name != "MySQL"
- quote_primary_key = engine.quote_column_name(table.name.classify.constantize.primary_key)
+ begin
+ quote_primary_key = engine.quote_column_name(table.name.classify.constantize.primary_key)
+ rescue NameError
+ quote_primary_key = engine.quote_column_name("id")
+ end
+
conditions = "WHERE #{quote_primary_key} IN (SELECT #{quote_primary_key} FROM #{engine.connection.quote_table_name table.name} #{conditions})"
end
end