instance method
data_source_exists?
Ruby on Rails 5.0.7.2
Since v4.2.11.3 Last seen in v5.0.7.2Available in: v4.2.11.3 v5.0.7.2
Signature
data_source_exists?(table_name)No documentation comment.
Parameters
-
table_namereq
Source
# File activerecord/lib/active_record/connection_adapters/sqlite3_adapter.rb, line 279
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'"
sql << " AND name = #{quote(table_name)}"
select_values(sql, 'SCHEMA').any?
end
Defined in activerecord/lib/active_record/connection_adapters/sqlite3_adapter.rb line 279
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