method

primary_key

Ruby on Rails latest stable (v7.1.3.2) - 0 notes - Class: ActiveRecord::ConnectionAdapters::SQLite3Adapter

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 (0)
4.1.8 (0)
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5.0.0.1
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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?

Method deprecated or moved

This method is deprecated or moved on the latest stable version. The last existing version (v4.2.9) is shown here.

These similar methods exist in v7.1.3.2:

ActiveRecord::AttributeMethods::PrimaryKey::ClassMethods#primary_key
ActiveRecord::PredicateBuilder::AssociationQueryValue#primary_key
ActiveRecord::PredicateBuilder::PolymorphicArrayValue#primary_key
ActiveRecord::ConnectionAdapters::ColumnMethods#primary_key
ActiveRecord::ConnectionAdapters::PostgreSQL::ColumnMethods#primary_key
ActiveRecord::ConnectionAdapters::SchemaStatements#primary_key
ActiveRecord::Associations::BelongsToAssociation#primary_key
ActiveRecord::Reflection::AbstractReflection#primary_key
ActiveRecord::Migration::Compatibility::V5_0::TableDefinition#primary_key
ActiveRecord::TableMetadata#primary_key
ActiveRecord::InternalMetadata#primary_key
ActiveRecord::SchemaMigration#primary_key

primary_key(table_name) public

No documentation

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Hide source

# File activerecord/lib/active_record/connection_adapters/sqlite3_adapter.rb, line 416
      def primary_key(table_name) #:nodoc:
        pks = table_structure(table_name).select { |f| f['pk'] > 0 }
        return nil unless pks.count == 1
        pks[0]['name']
      end

primary_key

Related methods

Method deprecated or moved

No documentation