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-rw-r--r--activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb58
1 files changed, 47 insertions, 11 deletions
diff --git a/activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb b/activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb
index 36c7462419..bcad9f30d7 100644
--- a/activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb
+++ b/activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb
@@ -215,6 +215,8 @@ module ActiveRecord
# Character types
when /^(?:character varying|bpchar)(?:\(\d+\))?$/
:string
+ when /^citext(?:\(\d+\))?$/
+ :citext
# Binary data types
when 'bytea'
:binary
@@ -353,6 +355,10 @@ module ActiveRecord
def json(name, options = {})
column(name, 'json', options)
end
+
+ def citext(name, options = {})
+ column(name, 'citext', options)
+ end
end
class TableDefinition < ActiveRecord::ConnectionAdapters::TableDefinition
@@ -393,6 +399,10 @@ module ActiveRecord
column name, type, options
end
+ def citext(name, options = {})
+ column(name, 'citext', options)
+ end
+
def column(name, type = nil, options = {})
super
column = self[name]
@@ -441,7 +451,8 @@ module ActiveRecord
macaddr: { name: "macaddr" },
uuid: { name: "uuid" },
json: { name: "json" },
- ltree: { name: "ltree" }
+ ltree: { name: "ltree" },
+ citext: { name: "citext" }
}
include Quoting
@@ -592,10 +603,6 @@ module ActiveRecord
false
end
- def active_threadsafe?
- @connection.connect_poll != PG::PGRES_POLLING_FAILED
- end
-
# Close then reopen the connection.
def reconnect!
super
@@ -605,7 +612,12 @@ module ActiveRecord
def reset!
clear_cache!
- super
+ reset_transaction
+ unless @connection.transaction_status == ::PG::PQTRANS_IDLE
+ @connection.query 'ROLLBACK'
+ end
+ @connection.query 'DISCARD ALL'
+ configure_connection
end
# Disconnects from the database if already connected. Otherwise, this
@@ -785,18 +797,35 @@ module ActiveRecord
end
def initialize_type_map(type_map)
- result = execute('SELECT oid, typname, typelem, typdelim, typinput FROM pg_type', 'SCHEMA')
- leaves, nodes = result.partition { |row| row['typelem'] == '0' }
+ if supports_ranges?
+ result = execute(<<-SQL, 'SCHEMA')
+ SELECT t.oid, t.typname, t.typelem, t.typdelim, t.typinput, r.rngsubtype
+ FROM pg_type as t
+ LEFT JOIN pg_range as r ON oid = rngtypid
+ SQL
+ else
+ result = execute(<<-SQL, 'SCHEMA')
+ SELECT t.oid, t.typname, t.typelem, t.typdelim, t.typinput
+ FROM pg_type as t
+ SQL
+ end
+ ranges, nodes = result.partition { |row| row['typinput'] == 'range_in' }
+ leaves, nodes = nodes.partition { |row| row['typelem'] == '0' }
+ arrays, nodes = nodes.partition { |row| row['typinput'] == 'array_in' }
+
+ # populate the enum types
+ enums, leaves = leaves.partition { |row| row['typinput'] == 'enum_in' }
+ enums.each do |row|
+ type_map[row['oid'].to_i] = OID::Enum.new
+ end
- # populate the leaf nodes
+ # populate the base types
leaves.find_all { |row| OID.registered_type? row['typname'] }.each do |row|
type_map[row['oid'].to_i] = OID::NAMES[row['typname']]
end
records_by_oid = result.group_by { |row| row['oid'] }
- arrays, nodes = nodes.partition { |row| row['typinput'] == 'array_in' }
-
# populate composite types
nodes.each do |row|
add_oid row, records_by_oid, type_map
@@ -807,6 +836,13 @@ module ActiveRecord
array = OID::Array.new type_map[row['typelem'].to_i]
type_map[row['oid'].to_i] = array
end
+
+ # populate range types
+ ranges.find_all { |row| type_map.key? row['rngsubtype'].to_i }.each do |row|
+ subtype = type_map[row['rngsubtype'].to_i]
+ range = OID::Range.new subtype
+ type_map[row['oid'].to_i] = range
+ end
end
FEATURE_NOT_SUPPORTED = "0A000" #:nodoc: