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authorNikolay Kondratyev <nkondratyev@yandex.ru>2013-08-14 17:44:14 +0600
committerNikolay Kondratyev <nkondratyev@yandex.ru>2013-08-15 14:14:37 +0600
commit1cb52a1733e693fdc76cf92b5408c204b29edcce (patch)
tree19d0c469ff0ec9cec34075a6c24c1be27c702cfc /activerecord/lib/active_record
parente90f0e0eb68825b7a07e2f468272a138107154c3 (diff)
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Fixed `columns_for_distinct` of postgresql adapter
Diffstat (limited to 'activerecord/lib/active_record')
-rw-r--r--activerecord/lib/active_record/connection_adapters/postgresql/schema_statements.rb2
1 files changed, 1 insertions, 1 deletions
diff --git a/activerecord/lib/active_record/connection_adapters/postgresql/schema_statements.rb b/activerecord/lib/active_record/connection_adapters/postgresql/schema_statements.rb
index 3fce8de1ba..203a232258 100644
--- a/activerecord/lib/active_record/connection_adapters/postgresql/schema_statements.rb
+++ b/activerecord/lib/active_record/connection_adapters/postgresql/schema_statements.rb
@@ -475,7 +475,7 @@ module ActiveRecord
# Convert Arel node to string
s = s.to_sql unless s.is_a?(String)
# Remove any ASC/DESC modifiers
- s.gsub(/\s+(ASC|DESC)\s*(NULLS\s+(FIRST|LAST)\s*)?/i, '')
+ s.gsub(/\s+(?:ASC|DESC)?\s*(?:NULLS\s+(?:FIRST|LAST)\s*)?/i, '')
}.reject(&:blank?).map.with_index { |column, i| "#{column} AS alias_#{i}" }
[super, *order_columns].join(', ')