diff options
| -rw-r--r-- | activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb | 34 | ||||
| -rw-r--r-- | activerecord/test/cases/adapters/postgresql/schema_test.rb | 4 |
2 files changed, 20 insertions, 18 deletions
diff --git a/activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb b/activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb index 29dd0a9ea3..a84f73c73f 100644 --- a/activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb +++ b/activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb @@ -670,7 +670,7 @@ module ActiveRecord # If the schema is not specified as part of +name+ then it will only find tables within # the current schema search path (regardless of permissions to access tables in other schemas) def table_exists?(name) - schema, table = extract_schema_and_table(name.to_s) + schema, table = Utils.extract_schema_and_table(name.to_s) return false unless table binds = [[nil, table]] @@ -947,6 +947,23 @@ module ActiveRecord "DISTINCT #{columns}, #{order_columns * ', '}" end + module Utils + # Returns an array of <tt>[schema_name, table_name]</tt> extracted from +name+. + # +schema_name+ is nil if not specified in +name+. + # +schema_name+ and +table_name+ exclude surrounding quotes (regardless of whether provided in +name+) + # +name+ supports the range of schema/table references understood by PostgreSQL, for example: + # + # * <tt>table_name</tt> + # * <tt>"table.name"</tt> + # * <tt>schema_name.table_name</tt> + # * <tt>schema_name."table.name"</tt> + # * <tt>"schema.name"."table name"</tt> + def self.extract_schema_and_table(name) + table, schema = name.scan(/[^".\s]+|"[^"]*"/)[0..1].collect{|m| m.gsub(/(^"|"$)/,'') }.reverse + [schema, table] + end + end + protected # Returns the version of the connected PostgreSQL server. def postgresql_version @@ -1085,21 +1102,6 @@ module ActiveRecord end end - # Returns an array of <tt>[schema_name, table_name]</tt> extracted from +name+. - # +schema_name+ is nil if not specified in +name+. - # +schema_name+ and +table_name+ exclude surrounding quotes (regardless of whether provided in +name+) - # +name+ supports the range of schema/table references understood by PostgreSQL, for example: - # - # * <tt>table_name</tt> - # * <tt>"table.name"</tt> - # * <tt>schema_name.table_name</tt> - # * <tt>schema_name."table.name"</tt> - # * <tt>"schema.name"."table name"</tt> - def extract_schema_and_table(name) - table, schema = name.scan(/[^".\s]+|"[^"]*"/)[0..1].collect{|m| m.gsub(/(^"|"$)/,'') }.reverse - [schema, table] - end - def extract_table_ref_from_insert_sql(sql) sql[/into\s+([^\(]*).*values\s*\(/i] $1.strip if $1 diff --git a/activerecord/test/cases/adapters/postgresql/schema_test.rb b/activerecord/test/cases/adapters/postgresql/schema_test.rb index 27e7b1a1c3..3a7f1badf0 100644 --- a/activerecord/test/cases/adapters/postgresql/schema_test.rb +++ b/activerecord/test/cases/adapters/postgresql/schema_test.rb @@ -229,8 +229,8 @@ class SchemaTest < ActiveRecord::TestCase %("schema"."table_name") => %w{schema table_name}, %("even spaces".table) => ['even spaces','table'], %(schema."table.name") => ['schema', 'table.name'] - }.each do |given,expect| - assert_equal expect, @connection.send(:extract_schema_and_table, given) + }.each do |given, expect| + assert_equal expect, ActiveRecord::ConnectionAdapters::PostgreSQLAdapter::Utils.extract_schema_and_table(given) end end |