diff options
Diffstat (limited to 'activerecord/lib/active_record/connection_adapters/postgresql/quoting.rb')
-rw-r--r-- | activerecord/lib/active_record/connection_adapters/postgresql/quoting.rb | 41 |
1 files changed, 39 insertions, 2 deletions
diff --git a/activerecord/lib/active_record/connection_adapters/postgresql/quoting.rb b/activerecord/lib/active_record/connection_adapters/postgresql/quoting.rb index d40e0ef1f0..07b66de366 100644 --- a/activerecord/lib/active_record/connection_adapters/postgresql/quoting.rb +++ b/activerecord/lib/active_record/connection_adapters/postgresql/quoting.rb @@ -30,7 +30,7 @@ module ActiveRecord # - "schema.name".table_name # - "schema.name"."table.name" def quote_table_name(name) # :nodoc: - @quoted_table_names[name] ||= Utils.extract_schema_qualified_name(name.to_s).quoted.freeze + self.class.quoted_table_names[name] ||= Utils.extract_schema_qualified_name(name.to_s).quoted.freeze end # Quotes schema names for use in SQL queries. @@ -44,7 +44,7 @@ module ActiveRecord # Quotes column names for use in SQL queries. def quote_column_name(name) # :nodoc: - @quoted_column_names[name] ||= PG::Connection.quote_ident(super).freeze + self.class.quoted_column_names[name] ||= PG::Connection.quote_ident(super).freeze end # Quote date/time values for use in SQL input. @@ -78,6 +78,43 @@ module ActiveRecord type_map.lookup(column.oid, column.fmod, column.sql_type) end + def column_name_matcher + COLUMN_NAME + end + + def column_name_with_order_matcher + COLUMN_NAME_WITH_ORDER + end + + COLUMN_NAME = / + \A + ( + (?: + # "table_name"."column_name"::type_name | function(one or no argument)::type_name + ((?:\w+\.|"\w+"\.)?(?:\w+|"\w+")(?:::\w+)?) | \w+\((?:|\g<2>)\)(?:::\w+)? + ) + (?:(?:\s+AS)?\s+(?:\w+|"\w+"))? + ) + (?:\s*,\s*\g<1>)* + \z + /ix + + COLUMN_NAME_WITH_ORDER = / + \A + ( + (?: + # "table_name"."column_name"::type_name | function(one or no argument)::type_name + ((?:\w+\.|"\w+"\.)?(?:\w+|"\w+")(?:::\w+)?) | \w+\((?:|\g<2>)\)(?:::\w+)? + ) + (?:\s+ASC|\s+DESC)? + (?:\s+NULLS\s+(?:FIRST|LAST))? + ) + (?:\s*,\s*\g<1>)* + \z + /ix + + private_constant :COLUMN_NAME, :COLUMN_NAME_WITH_ORDER + private def lookup_cast_type(sql_type) super(query_value("SELECT #{quote(sql_type)}::regtype::oid", "SCHEMA").to_i) |