No Postgres adapter was broken. It turns out that another developer had installed the postgres_ext gem, which doesn't support add_index. Removing that gem fixed the failures.
On Tuesday, July 23, 2013 4:21:52 PM UTC-4, Benjamin Nash wrote: > > I've written a simple Rails migration that adds an index to an existing > Postgres table: > > class AddIndexToEvents < ActiveRecord::Migration >> def change >> add_index :sf_events, :account_id >> end >> end > > > However, when I run the migration, it fails due to a syntax error on the > CREATE INDEX line. I'm expecting some SQL like this to be generated: > > CREATE INDEX index_sf_events_on_account_id ON sf_events (account_id); > > > But instead I get something like this: > > CREATE INDEX index_sf_events_on_account_id ON sf_events ( ); > > > The migration works fine on my friend's Mac, but it fails on my Linux box. > It seems like I may have the wrong/outdated packages. I'm running Ubuntu > 12.10 and have these packages installed: libpq-dev, libpq5, postgresql, > postgresql-9.1, postgresql-client-9.1, > postgresql-client-common, postgresql-common, postgresql-contrib, > postgresql-contrib-9.1. > > > Here's the full error message: > > == AddIndexToEvents: migrating >> =============================================== >> rake aborted! >> An error has occurred, this and all later migrations canceled: >> PG::Error: ERROR: syntax error at or near ")" >> LINE 1: ...ATE INDEX "index_sf_events_on_account_id" ON "sf_events"( ) >> ^ >> : CREATE INDEX "index_sf_events_on_account_id" ON "sf_events"( >> )/home/ben/.rvm/gems/ruby-1.9.3-p392-railsexpress@workbench-api/gems/activerecord-3.2.13/lib/active_record/connection_adapters/postgresql_adapter.rb:650:in >> >> `async_exec' >> /home/ben/.rvm/gems/ruby-1.9.3-p392-railsexpress@workbench-api/gems/activerecord-3.2.13/lib/active_record/connection_adapters/postgresql_adapter.rb:650:in >> >> `block in execute' >> /home/ben/.rvm/gems/ruby-1.9.3-p392-railsexpress@workbench-api/gems/activerecord-3.2.13/lib/active_record/connection_adapters/abstract_adapter.rb:280:in >> >> `block in log' >> /home/ben/.rvm/gems/ruby-1.9.3-p392-railsexpress@workbench-api/gems/activesupport-3.2.13/lib/active_support/notifications/instrumenter.rb:20:in >> >> `instrument' >> /home/ben/.rvm/gems/ruby-1.9.3-p392-railsexpress@workbench-api/gems/activerecord-3.2.13/lib/active_record/connection_adapters/abstract_adapter.rb:275:in >> >> `log' >> /home/ben/.rvm/gems/ruby-1.9.3-p392-railsexpress@workbench-api/gems/activerecord-3.2.13/lib/active_record/connection_adapters/postgresql_adapter.rb:649:in >> >> `execute' >> /home/ben/.rvm/gems/ruby-1.9.3-p392-railsexpress@workbench-api/gems/postgres_ext-0.4.0/lib/postgres_ext/active_record/connection_adapters/postgres_adapter.rb:326:in >> >> `add_index' >> /home/ben/.rvm/gems/ruby-1.9.3-p392-railsexpress@workbench-api/gems/pg_power-1.5.0/lib/pg_power/create_index_concurrently.rb:82:in >> >> `add_index' >> /home/ben/git/workbench-api/db/migrate/20130723195953_add_index_to_events.rb:3:in >> >> `change' >> /home/ben/.rvm/gems/ruby-1.9.3-p392-railsexpress@workbench-api/gems/activerecord-3.2.13/lib/active_record/migration.rb:407:in >> >> `block (2 levels) in migrate' >> /home/ben/.rvm/gems/ruby-1.9.3-p392-railsexpress@workbench-api/gems/activerecord-3.2.13/lib/active_record/migration.rb:407:in >> >> `block in migrate' >> /home/ben/.rvm/gems/ruby-1.9.3-p392-railsexpress@workbench-api/gems/activerecord-3.2.13/lib/active_record/connection_adapters/abstract/connection_pool.rb:129:in >> >> `with_connection' >> /home/ben/.rvm/gems/ruby-1.9.3-p392-railsexpress@workbench-api/gems/activerecord-3.2.13/lib/active_record/migration.rb:389:in >> >> `migrate' >> /home/ben/.rvm/gems/ruby-1.9.3-p392-railsexpress@workbench-api/gems/activerecord-3.2.13/lib/active_record/migration.rb:528:in >> >> `migrate' >> /home/ben/.rvm/gems/ruby-1.9.3-p392-railsexpress@workbench-api/gems/activerecord-3.2.13/lib/active_record/migration.rb:720:in >> >> `block (2 levels) in migrate' >> /home/ben/.rvm/gems/ruby-1.9.3-p392-railsexpress@workbench-api/gems/activerecord-3.2.13/lib/active_record/migration.rb:775:in >> >> `call' >> /home/ben/.rvm/gems/ruby-1.9.3-p392-railsexpress@workbench-api/gems/activerecord-3.2.13/lib/active_record/migration.rb:775:in >> >> `block in ddl_transaction' >> /home/ben/.rvm/gems/ruby-1.9.3-p392-railsexpress@workbench-api/gems/activerecord-3.2.13/lib/active_record/connection_adapters/abstract/database_statements.rb:192:in >> >> `transaction' >> /home/ben/.rvm/gems/ruby-1.9.3-p392-railsexpress@workbench-api/gems/activerecord-3.2.13/lib/active_record/transactions.rb:208:in >> >> `transaction' >> /home/ben/.rvm/gems/ruby-1.9.3-p392-railsexpress@workbench-api/gems/activerecord-3.2.13/lib/active_record/migration.rb:775:in >> >> `ddl_transaction' >> /home/ben/.rvm/gems/ruby-1.9.3-p392-railsexpress@workbench-api/gems/pg_power-1.5.0/lib/pg_power/create_index_concurrently.rb:201:in >> >> `ddl_transaction_with_postponed_queries' >> /home/ben/.rvm/gems/ruby-1.9.3-p392-railsexpress@workbench-api/gems/activerecord-3.2.13/lib/active_record/migration.rb:719:in >> >> `block in migrate' >> /home/ben/.rvm/gems/ruby-1.9.3-p392-railsexpress@workbench-api/gems/activerecord-3.2.13/lib/active_record/migration.rb:700:in >> >> `each' >> /home/ben/.rvm/gems/ruby-1.9.3-p392-railsexpress@workbench-api/gems/activerecord-3.2.13/lib/active_record/migration.rb:700:in >> >> `migrate' >> /home/ben/.rvm/gems/ruby-1.9.3-p392-railsexpress@workbench-api/gems/activerecord-3.2.13/lib/active_record/migration.rb:570:in >> >> `up' >> /home/ben/.rvm/gems/ruby-1.9.3-p392-railsexpress@workbench-api/gems/activerecord-3.2.13/lib/active_record/migration.rb:551:in >> >> `migrate' >> /home/ben/.rvm/gems/ruby-1.9.3-p392-railsexpress@workbench-api/gems/activerecord-3.2.13/lib/active_record/railties/databases.rake:193:in >> >> `block (2 levels) in <top (required)>' >> /home/ben/.rvm/gems/ruby-1.9.3-p392-railsexpress@global/gems/rake-10.0.4/lib/rake/task.rb:246:in >> >> `call' >> /home/ben/.rvm/gems/ruby-1.9.3-p392-railsexpress@global/gems/rake-10.0.4/lib/rake/task.rb:246:in >> >> `block in execute' >> /home/ben/.rvm/gems/ruby-1.9.3-p392-railsexpress@global/gems/rake-10.0.4/lib/rake/task.rb:241:in >> >> `each' >> /home/ben/.rvm/gems/ruby-1.9.3-p392-railsexpress@global/gems/rake-10.0.4/lib/rake/task.rb:241:in >> >> `execute' >> /home/ben/.rvm/gems/ruby-1.9.3-p392-railsexpress@global/gems/rake-10.0.4/lib/rake/task.rb:184:in >> >> `block in invoke_with_call_chain' >> /home/ben/.rvm/gems/ruby-1.9.3-p392-railsexpress@global/gems/rake-10.0.4/lib/rake/task.rb:177:in >> >> `invoke_with_call_chain' >> /home/ben/.rvm/gems/ruby-1.9.3-p392-railsexpress@global/gems/rake-10.0.4/lib/rake/task.rb:170:in >> >> `invoke' >> /home/ben/.rvm/gems/ruby-1.9.3-p392-railsexpress@global/gems/rake-10.0.4/lib/rake/application.rb:143:in >> >> `invoke_task' >> /home/ben/.rvm/gems/ruby-1.9.3-p392-railsexpress@global/gems/rake-10.0.4/lib/rake/application.rb:101:in >> >> `block (2 levels) in top_level' >> /home/ben/.rvm/gems/ruby-1.9.3-p392-railsexpress@global/gems/rake-10.0.4/lib/rake/application.rb:101:in >> >> `each' >> /home/ben/.rvm/gems/ruby-1.9.3-p392-railsexpress@global/gems/rake-10.0.4/lib/rake/application.rb:101:in >> >> `block in top_level' >> /home/ben/.rvm/gems/ruby-1.9.3-p392-railsexpress@global/gems/rake-10.0.4/lib/rake/application.rb:110:in >> >> `run_with_threads' >> /home/ben/.rvm/gems/ruby-1.9.3-p392-railsexpress@global/gems/rake-10.0.4/lib/rake/application.rb:95:in >> >> `top_level' >> /home/ben/.rvm/gems/ruby-1.9.3-p392-railsexpress@global/gems/rake-10.0.4/lib/rake/application.rb:73:in >> >> `block in run' >> /home/ben/.rvm/gems/ruby-1.9.3-p392-railsexpress@global/gems/rake-10.0.4/lib/rake/application.rb:160:in >> >> `standard_exception_handling' >> /home/ben/.rvm/gems/ruby-1.9.3-p392-railsexpress@global/gems/rake-10.0.4/lib/rake/application.rb:70:in >> >> `run' >> /home/ben/.rvm/gems/ruby-1.9.3-p392-railsexpress@workbench-api/bin/ruby_noexec_wrapper:14:in >> >> `eval' >> /home/ben/.rvm/gems/ruby-1.9.3-p392-railsexpress@workbench-api/bin/ruby_noexec_wrapper:14:in >> >> `<main>' >> Tasks: TOP => db:migrate >> (See full trace by running task with --trace) > > > -- You received this message because you are subscribed to the Google Groups "Ruby on Rails: Talk" group. 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