method
rename_column_for_alter
Ruby on Rails latest stable (v7.1.3.2)
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Class: AbstractMysqlAdapter
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rename_column_for_alter(table_name, column_name, new_column_name)
private
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# File activerecord/lib/active_record/connection_adapters/abstract_mysql_adapter.rb, line 827 def rename_column_for_alter(table_name, column_name, new_column_name) return rename_column_sql(table_name, column_name, new_column_name) if supports_rename_column? column = column_for(table_name, column_name) options = { default: column.default, null: column.null, auto_increment: column.auto_increment?, comment: column.comment } current_type = internal_exec_query("SHOW COLUMNS FROM #{quote_table_name(table_name)} LIKE #{quote(column_name)}", "SCHEMA").first["Type"] td = create_table_definition(table_name) cd = td.new_column_definition(new_column_name, current_type, **options) schema_creation.accept(ChangeColumnDefinition.new(cd, column.name)) end