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author | Jon Leighton <j@jonathanleighton.com> | 2011-03-02 21:24:56 +0000 |
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committer | Jon Leighton <j@jonathanleighton.com> | 2011-03-04 09:30:27 +0000 |
commit | 735844db712c511dd8abf36a5279318fbc0ff9d0 (patch) | |
tree | 5fbd5d224ef85d8c878bf221db98b422c9345466 /activerecord/lib/active_record/connection_adapters/sqlite_adapter.rb | |
parent | 9a98c766e045aebc2ef6d5b716936b73407f095d (diff) | |
parent | b171b9e73dcc6a89b1da652da61c5127fe605b51 (diff) | |
download | rails-735844db712c511dd8abf36a5279318fbc0ff9d0.tar.gz rails-735844db712c511dd8abf36a5279318fbc0ff9d0.tar.bz2 rails-735844db712c511dd8abf36a5279318fbc0ff9d0.zip |
Merge branch 'master' into nested_has_many_through
Conflicts:
activerecord/CHANGELOG
activerecord/lib/active_record/association_preload.rb
activerecord/lib/active_record/associations.rb
activerecord/lib/active_record/associations/class_methods/join_dependency.rb
activerecord/lib/active_record/associations/class_methods/join_dependency/join_association.rb
activerecord/lib/active_record/associations/has_many_association.rb
activerecord/lib/active_record/associations/has_many_through_association.rb
activerecord/lib/active_record/associations/has_one_association.rb
activerecord/lib/active_record/associations/has_one_through_association.rb
activerecord/lib/active_record/associations/through_association_scope.rb
activerecord/lib/active_record/reflection.rb
activerecord/test/cases/associations/has_many_through_associations_test.rb
activerecord/test/cases/associations/has_one_through_associations_test.rb
activerecord/test/cases/reflection_test.rb
activerecord/test/cases/relations_test.rb
activerecord/test/fixtures/memberships.yml
activerecord/test/models/categorization.rb
activerecord/test/models/category.rb
activerecord/test/models/member.rb
activerecord/test/models/reference.rb
activerecord/test/models/tagging.rb
Diffstat (limited to 'activerecord/lib/active_record/connection_adapters/sqlite_adapter.rb')
-rw-r--r-- | activerecord/lib/active_record/connection_adapters/sqlite_adapter.rb | 43 |
1 files changed, 33 insertions, 10 deletions
diff --git a/activerecord/lib/active_record/connection_adapters/sqlite_adapter.rb b/activerecord/lib/active_record/connection_adapters/sqlite_adapter.rb index d76fc4103e..9ee6b88ab6 100644 --- a/activerecord/lib/active_record/connection_adapters/sqlite_adapter.rb +++ b/activerecord/lib/active_record/connection_adapters/sqlite_adapter.rb @@ -62,6 +62,10 @@ module ActiveRecord sqlite_version >= '2.0.0' end + def supports_savepoints? + sqlite_version >= '3.6.8' + end + # Returns +true+ when the connection adapter supports prepared statement # caching, otherwise returns +false+ def supports_statement_cache? @@ -144,12 +148,15 @@ module ActiveRecord # DATABASE STATEMENTS ====================================== def exec_query(sql, name = nil, binds = []) - log(sql, name) do + log(sql, name, binds) do # Don't cache statements without bind values if binds.empty? - stmt = @connection.prepare(sql) - cols = stmt.columns + stmt = @connection.prepare(sql) + cols = stmt.columns + records = stmt.to_a + stmt.close + stmt = records else cache = @statements[sql] ||= { :stmt => @connection.prepare(sql) @@ -189,6 +196,18 @@ module ActiveRecord exec_query(sql, name).rows end + def create_savepoint + execute("SAVEPOINT #{current_savepoint_name}") + end + + def rollback_to_savepoint + execute("ROLLBACK TO SAVEPOINT #{current_savepoint_name}") + end + + def release_savepoint + execute("RELEASE SAVEPOINT #{current_savepoint_name}") + end + def begin_db_transaction #:nodoc: @connection.transaction end @@ -217,6 +236,15 @@ module ActiveRecord def columns(table_name, name = nil) #:nodoc: table_structure(table_name).map do |field| + case field["dflt_value"] + when /^null$/i + field["dflt_value"] = nil + when /^'(.*)'$/ + field["dflt_value"] = $1.gsub(/''/, "'") + when /^"(.*)"$/ + field["dflt_value"] = $1.gsub(/""/, '"') + end + SQLiteColumn.new(field['name'], field['dflt_value'], field['type'], field['notnull'].to_i == 0) end end @@ -314,16 +342,11 @@ module ActiveRecord protected def select(sql, name = nil, binds = []) #:nodoc: - result = exec_query(sql, name, binds) - columns = result.columns.map { |column| - column.sub(/^"?\w+"?\./, '') - } - - result.rows.map { |row| Hash[columns.zip(row)] } + exec_query(sql, name, binds).to_a end def table_structure(table_name) - structure = @connection.table_info(quote_table_name(table_name)) + structure = exec_query("PRAGMA table_info(#{quote_table_name(table_name)})").to_hash raise(ActiveRecord::StatementInvalid, "Could not find table '#{table_name}'") if structure.empty? structure end |