Muga Nishizawa

How to get metrics/stats of completed and/or running transactions

1

Current Embulk doesn't provide metrics/states of the done BulkLoader when it was finished. For example, almost users want to know how many number of records successfully loaded (or skipped) by...

Support doc_id_format

1

It allows users to generate doc_ids by doc_id_format like doc_%d_%s.

It should be wrapped and thrown as ConfigException. ``` java.lang.RuntimeException: org.postgresql.util.PSQLException: FATAL: database "xxx mydb xxx" does not exist at com.google.common.base.Throwables.propagate(Throwables.java:160) ~[guava-18.0.jar:na] at org.embulk.input.jdbc.AbstractJdbcInputPlugin.transaction(AbstractJdbcInputPlugin.java:144) ~[na:na] at org.embulk.plugin.compat.InputPluginWrapper.transaction(InputPluginWrapper.java:57) ~[embulk-core-0.7.7.jar:na] at org.embulk.exec.BulkLoader.doRun(BulkLoader.java:517)...