method

view_exists?

Importance_0
v5.0.0.1 - Show latest stable - 0 notes - Class: SchemaStatements
  • 1.0.0
  • 1.1.6
  • 1.2.6
  • 2.0.3
  • 2.1.0
  • 2.2.1
  • 2.3.8
  • 3.0.0
  • 3.0.9
  • 3.1.0
  • 3.2.1
  • 3.2.8
  • 3.2.13
  • 4.0.2
  • 4.1.8
  • 4.2.1
  • 4.2.7
  • 4.2.9
  • 5.0.0.1 (0)
  • 5.1.7
  • 5.2.3
  • 6.0.0
  • 6.1.3.1
  • 6.1.7.7
  • 7.0.0
  • 7.1.3.2
  • 7.1.3.4
  • What's this?
view_exists?(view_name) public

No documentation

This method has no description. You can help the Ruby on Rails community by adding new notes.

Hide source
# File activerecord/lib/active_record/connection_adapters/postgresql/schema_statements.rb, line 131
        def view_exists?(view_name) # :nodoc:
          name = Utils.extract_schema_qualified_name(view_name.to_s)
          return false unless name.identifier

          select_values(            SELECT c.relname            FROM pg_class c            LEFT JOIN pg_namespace n ON n.oid = c.relnamespace            WHERE c.relkind IN ('v','m') -- (v)iew, (m)aterialized view            AND c.relname = '#{name.identifier}'            AND n.nspname = #{name.schema ? "'#{name.schema}'" : 'ANY (current_schemas(false))'}, 'SCHEMA').any?
        end
Register or log in to add new notes.