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-rw-r--r--activerecord/lib/active_record/connection_adapters/sqlite3_adapter.rb69
1 files changed, 33 insertions, 36 deletions
diff --git a/activerecord/lib/active_record/connection_adapters/sqlite3_adapter.rb b/activerecord/lib/active_record/connection_adapters/sqlite3_adapter.rb
index 32fe275bfb..c65d33ccb3 100644
--- a/activerecord/lib/active_record/connection_adapters/sqlite3_adapter.rb
+++ b/activerecord/lib/active_record/connection_adapters/sqlite3_adapter.rb
@@ -1,5 +1,6 @@
require 'active_record/connection_adapters/abstract_adapter'
require 'active_record/connection_adapters/statement_pool'
+require 'active_record/connection_adapters/sqlite3/explain_pretty_printer'
require 'active_record/connection_adapters/sqlite3/schema_creation'
gem 'sqlite3', '~> 1.3.6'
@@ -7,7 +8,6 @@ require 'sqlite3'
module ActiveRecord
module ConnectionHandling # :nodoc:
- # sqlite3 adapter reuses sqlite_connection.
def sqlite3_connection(config)
# Require database.
unless config[:database]
@@ -78,11 +78,10 @@ module ActiveRecord
end
def initialize(connection, logger, connection_options, config)
- super(connection, logger)
+ super(connection, logger, config)
@active = nil
@statements = StatementPool.new(self.class.type_cast_config_to_integer(config.fetch(:statement_limit) { 1000 }))
- @config = config
@visitor = Arel::Visitors::SQLite.new self
@quoted_column_names = {}
@@ -130,6 +129,10 @@ module ActiveRecord
true
end
+ def supports_datetime_with_precision?
+ true
+ end
+
def active?
@active != false
end
@@ -215,21 +218,7 @@ module ActiveRecord
def explain(arel, binds = [])
sql = "EXPLAIN QUERY PLAN #{to_sql(arel, binds)}"
- ExplainPrettyPrinter.new.pp(exec_query(sql, 'EXPLAIN', []))
- end
-
- class ExplainPrettyPrinter
- # Pretty prints the result of an EXPLAIN QUERY PLAN in a way that resembles
- # the output of the SQLite shell:
- #
- # 0|0|0|SEARCH TABLE users USING INTEGER PRIMARY KEY (rowid=?) (~1 rows)
- # 0|1|1|SCAN TABLE posts (~100000 rows)
- #
- def pp(result) # :nodoc:
- result.rows.map do |row|
- row.join('|')
- end.join("\n") + "\n"
- end
+ SQLite3::ExplainPrettyPrinter.new.pp(exec_query(sql, 'EXPLAIN', []))
end
def exec_query(sql, name = nil, binds = [], prepare: false)
@@ -277,22 +266,6 @@ module ActiveRecord
log(sql, name) { @connection.execute(sql) }
end
- def update_sql(sql, name = nil) #:nodoc:
- super
- @connection.changes
- end
-
- def delete_sql(sql, name = nil) #:nodoc:
- sql += " WHERE 1=1" unless sql =~ /WHERE/i
- super sql, name
- end
-
- def insert_sql(sql, name = nil, pk = nil, id_value = nil, sequence_name = nil) #:nodoc:
- super
- id_value || @connection.last_insert_row_id
- end
- alias :create :insert_sql
-
def select_rows(sql, name = nil, binds = [])
exec_query(sql, name, binds).rows
end
@@ -312,11 +285,36 @@ module ActiveRecord
# SCHEMA STATEMENTS ========================================
def tables(name = nil) # :nodoc:
+ ActiveSupport::Deprecation.warn(<<-MSG.squish)
+ #tables currently returns both tables and views.
+ This behavior is deprecated and will be changed with Rails 5.1 to only return tables.
+ Use #data_sources instead.
+ MSG
+
+ if name
+ ActiveSupport::Deprecation.warn(<<-MSG.squish)
+ Passing arguments to #tables is deprecated without replacement.
+ MSG
+ end
+
+ data_sources
+ end
+
+ def data_sources
select_values("SELECT name FROM sqlite_master WHERE type IN ('table','view') AND name <> 'sqlite_sequence'", 'SCHEMA')
end
- alias data_sources tables
def table_exists?(table_name)
+ ActiveSupport::Deprecation.warn(<<-MSG.squish)
+ #table_exists? currently checks both tables and views.
+ This behavior is deprecated and will be changed with Rails 5.1 to only check tables.
+ Use #data_source_exists? instead.
+ MSG
+
+ data_source_exists?(table_name)
+ end
+
+ def data_source_exists?(table_name)
return false unless table_name.present?
sql = "SELECT name FROM sqlite_master WHERE type IN ('table','view') AND name <> 'sqlite_sequence'"
@@ -324,7 +322,6 @@ module ActiveRecord
select_values(sql, 'SCHEMA').any?
end
- alias data_source_exists? table_exists?
def views # :nodoc:
select_values("SELECT name FROM sqlite_master WHERE type = 'view' AND name <> 'sqlite_sequence'", 'SCHEMA')