jruby postresql error

gistfile1.txt

1.9.3p0 :003 > Metastore.find(304156028, 304654300, 304669715)
  Metastore Load (280.2ms)  SELECT "public"."metastore".* FROM "public"."metastore" WHERE "public"."metastore"."id" IN (304156028, 304654300, 304669715)
 => [#<Metastore id: 304156028, dedup: 181874021, doctype: 1, source: 2, xml: "<sf:art xmlns:xsi=\"http://www.w3.org/2001/XMLSchema...">, #<Metastore id: 304654300, dedup: 181874021, doctype: 1, source: 3, xml: "<sf:art xmlns:xsi=\"http://www.w3.org/2001/XMLSchema...">, #<Metastore id: 304669715, dedup: 181874021, doctype: 1, source: 11, xml: "<sf:art xmlns:xsi=\"http://www.w3.org/2001/XMLSchema...">] 




jruby-1.6.5.1 :001 > Metastore.find(304156028, 304654300, 304669715)
  PK and serial sequence (3.0ms)   SELECT attr.attname, seq.relname
 FROM pg_class seq,
 pg_attribute attr,
 pg_depend dep,
 pg_namespace name,
 pg_constraint cons
 WHERE seq.oid = dep.objid
 AND seq.relkind = 'S'
 AND attr.attrelid = dep.refobjid
 AND attr.attnum = dep.refobjsubid
 AND attr.attrelid = cons.conrelid
 AND attr.attnum = cons.conkey[1]
 AND cons.contype = 'p'
 AND dep.refobjid = '"public"."metastore"'::regclass

  PK and custom sequence (2.0ms)   SELECT attr.attname,
 CASE
 WHEN split_part(def.adsrc, '''', 2) ~ '.' THEN
 substr(split_part(def.adsrc, '''', 2),
 strpos(split_part(def.adsrc, '''', 2), '.')+1)
 ELSE split_part(def.adsrc, '''', 2)
 END as relname
 FROM pg_class t
 JOIN pg_attribute attr ON (t.oid = attrelid)
 JOIN pg_attrdef def ON (adrelid = attrelid AND adnum = attnum)
 JOIN pg_constraint cons ON (conrelid = adrelid AND adnum = conkey[1])
 WHERE t.oid = '"public"."metastore"'::regclass
 AND cons.contype = 'p'
 AND def.adsrc ~* 'nextval'

  PK and serial sequence (2.0ms)   SELECT attr.attname, seq.relname
 FROM pg_class seq,
 pg_attribute attr,
 pg_depend dep,
 pg_namespace name,
 pg_constraint cons
 WHERE seq.oid = dep.objid
 AND seq.relkind = 'S'
 AND attr.attrelid = dep.refobjid
 AND attr.attnum = dep.refobjsubid
 AND attr.attrelid = cons.conrelid
 AND attr.attnum = cons.conkey[1]
 AND cons.contype = 'p'
 AND dep.refobjid = '"public"."metastore"'::regclass

  PK and custom sequence (1.0ms)   SELECT attr.attname,
 CASE
 WHEN split_part(def.adsrc, '''', 2) ~ '.' THEN
 substr(split_part(def.adsrc, '''', 2),
 strpos(split_part(def.adsrc, '''', 2), '.')+1)
 ELSE split_part(def.adsrc, '''', 2)
 END as relname
 FROM pg_class t
 JOIN pg_attribute attr ON (t.oid = attrelid)
 JOIN pg_attrdef def ON (adrelid = attrelid AND adnum = attnum)
 JOIN pg_constraint cons ON (conrelid = adrelid AND adnum = conkey[1])
 WHERE t.oid = '"public"."metastore"'::regclass
 AND cons.contype = 'p'
 AND def.adsrc ~* 'nextval'

  Metastore Load (9.0ms)  SELECT "public"."metastore".* FROM "public"."metastore" WHERE "public"."metastore"."" IN (304156028, 304654300, 304669715)
ActiveRecord::StatementInvalid: ActiveRecord::JDBCError: ERROR: zero-length delimited identifier at or near """"
  Position: 85: SELECT "public"."metastore".* FROM "public"."metastore"  WHERE "public"."metastore"."" IN (304156028, 304654300, 304669715)
	from arjdbc/jdbc/RubyJdbcConnection.java:191:in `execute'
	from /usr/local/rvm/gems/jruby-1.6.5.1/gems/activerecord-jdbc-adapter-1.2.1/lib/arjdbc/jdbc/adapter.rb:216:in `_execute'
	from /usr/local/rvm/gems/jruby-1.6.5.1/gems/activerecord-jdbc-adapter-1.2.1/lib/arjdbc/jdbc/adapter.rb:208:in `execute'
	from /usr/local/rvm/gems/jruby-1.6.5.1/gems/activerecord-3.1.3/lib/active_record/connection_adapters/abstract_adapter.rb:244:in `log'
	from /usr/local/rvm/gems/jruby-1.6.5.1/gems/activesupport-3.1.3/lib/active_support/notifications/instrumenter.rb:21:in `instrument'
	from /usr/local/rvm/gems/jruby-1.6.5.1/gems/activerecord-3.1.3/lib/active_record/connection_adapters/abstract_adapter.rb:239:in `log'
	from /usr/local/rvm/gems/jruby-1.6.5.1/gems/activerecord-jdbc-adapter-1.2.1/lib/arjdbc/jdbc/adapter.rb:208:in `execute'
	from /usr/local/rvm/gems/jruby-1.6.5.1/gems/activerecord-jdbc-adapter-1.2.1/lib/arjdbc/jdbc/adapter.rb:334:in `select'
	from /usr/local/rvm/gems/jruby-1.6.5.1/gems/activerecord-3.1.3/lib/active_record/connection_adapters/abstract/database_statements.rb:18:in `select_all'
	from /usr/local/rvm/gems/jruby-1.6.5.1/gems/activerecord-3.1.3/lib/active_record/connection_adapters/abstract/query_cache.rb:63:in `select_all'
	from /usr/local/rvm/gems/jruby-1.6.5.1/gems/activerecord-3.1.3/lib/active_record/base.rb:470:in `find_by_sql'
	from /usr/local/rvm/gems/jruby-1.6.5.1/gems/activerecord-3.1.3/lib/active_record/relation.rb:111:in `to_a'
	from /usr/local/rvm/gems/jruby-1.6.5.1/gems/activerecord-3.1.3/lib/active_record/relation/finder_methods.rb:159:in `all'
	from /usr/local/rvm/gems/jruby-1.6.5.1/gems/activerecord-3.1.3/lib/active_record/relation/finder_methods.rb:346:in `find_some'
	from /usr/local/rvm/gems/jruby-1.6.5.1/gems/activerecord-3.1.3/lib/active_record/relation/finder_methods.rb:313:in `find_with_ids'
	from /usr/local/rvm/gems/jruby-1.6.5.1/gems/activerecord-3.1.3/lib/active_record/relation/finder_methods.rb:107:in `find'
	from org/jruby/RubyBasicObject.java:1715:in `__send__'
	from /usr/local/rvm/gems/jruby-1.6.5.1/gems/activerecord-3.1.3/lib/active_record/base.rb:441:in `find'
	from (irb):1:in `evaluate'
	from org/jruby/RubyKernel.java:1093:in `eval'
	from org/jruby/RubyKernel.java:1420:in `loop'
	from org/jruby/RubyKernel.java:1206:in `catch'
	from org/jruby/RubyKernel.java:1206:in `catch'
	from /usr/local/rvm/gems/jruby-1.6.5.1/gems/railties-3.1.3/lib/rails/commands/console.rb:45:in `start'
	from /usr/local/rvm/gems/jruby-1.6.5.1/gems/railties-3.1.3/lib/rails/commands/console.rb:8:in `start'
	from /usr/local/rvm/gems/jruby-1.6.5.1/gems/railties-3.1.3/lib/rails/commands.rb:40:in `(root)'
	from org/jruby/RubyKernel.java:1047:in `require'
	from script/rails:6:in `(root)
'jruby-1.6.5.1 :002 >