aboutsummaryrefslogtreecommitdiffstats
path: root/activerecord/lib/active_record/connection_adapters/sqlite_adapter.rb
diff options
context:
space:
mode:
authorXavier Noria <fxn@hashref.com>2011-05-01 11:16:31 +0200
committerXavier Noria <fxn@hashref.com>2011-05-01 11:16:31 +0200
commit2fbf302149cf40c791ca1207a5f984cf58903397 (patch)
tree5da770d0fd31520a6264a9864b1db1412646d100 /activerecord/lib/active_record/connection_adapters/sqlite_adapter.rb
parenta0656989c47c29c87c4f243ce3695c39777c67b8 (diff)
parentb84b759ec60b5005fea183186639408fcf903450 (diff)
downloadrails-2fbf302149cf40c791ca1207a5f984cf58903397.tar.gz
rails-2fbf302149cf40c791ca1207a5f984cf58903397.tar.bz2
rails-2fbf302149cf40c791ca1207a5f984cf58903397.zip
Merge branch 'master' of git://github.com/lifo/docrails
Conflicts: railties/guides/source/contributing_to_ruby_on_rails.textile
Diffstat (limited to 'activerecord/lib/active_record/connection_adapters/sqlite_adapter.rb')
-rw-r--r--activerecord/lib/active_record/connection_adapters/sqlite_adapter.rb13
1 files changed, 12 insertions, 1 deletions
diff --git a/activerecord/lib/active_record/connection_adapters/sqlite_adapter.rb b/activerecord/lib/active_record/connection_adapters/sqlite_adapter.rb
index 04367657ec..d2785b234a 100644
--- a/activerecord/lib/active_record/connection_adapters/sqlite_adapter.rb
+++ b/activerecord/lib/active_record/connection_adapters/sqlite_adapter.rb
@@ -58,10 +58,12 @@ module ActiveRecord
'SQLite'
end
+ # Returns true if SQLite version is '2.0.0' or greater, false otherwise.
def supports_ddl_transactions?
sqlite_version >= '2.0.0'
end
+ # Returns true if SQLite version is '3.6.8' or greater, false otherwise.
def supports_savepoints?
sqlite_version >= '3.6.8'
end
@@ -72,7 +74,7 @@ module ActiveRecord
true
end
- # Returns true.
+ # Returns true, since this connection adapter supports migrations.
def supports_migrations? #:nodoc:
true
end
@@ -86,6 +88,7 @@ module ActiveRecord
true
end
+ # Returns true if SQLite version is '3.1.6' or greater, false otherwise.
def supports_add_column?
sqlite_version >= '3.1.6'
end
@@ -103,10 +106,12 @@ module ActiveRecord
@statements.clear
end
+ # Returns true if SQLite version is '3.2.6' or greater, false otherwise.
def supports_count_distinct? #:nodoc:
sqlite_version >= '3.2.6'
end
+ # Returns true if SQLite version is '3.1.0' or greater, false otherwise.
def supports_autoincrement? #:nodoc:
sqlite_version >= '3.1.0'
end
@@ -250,6 +255,7 @@ module ActiveRecord
end
end
+ # Returns an array of +SQLiteColumn+ objects for the table specified by +table_name+.
def columns(table_name, name = nil) #:nodoc:
table_structure(table_name).map do |field|
case field["dflt_value"]
@@ -265,6 +271,7 @@ module ActiveRecord
end
end
+ # Returns an array of indexes for the given table.
def indexes(table_name, name = nil) #:nodoc:
exec_query("PRAGMA index_list(#{quote_table_name(table_name)})", name).map do |row|
IndexDefinition.new(
@@ -288,6 +295,10 @@ module ActiveRecord
exec_query "DROP INDEX #{quote_column_name(index_name)}"
end
+ # Renames a table.
+ #
+ # Example:
+ # rename_table('octopuses', 'octopi')
def rename_table(name, new_name)
exec_query "ALTER TABLE #{quote_table_name(name)} RENAME TO #{quote_table_name(new_name)}"
end