java.sql.ResultSetMetaData.columnNullable が取得できない
irb(main):001:0> java.sql.ResultSetMetaData::columnNullable NoMethodError: undefined method `columnNullable' for Java::JavaSql::ResultSetMetaData:Module from (irb):2:in `binding' irb(main):002:0> java.sql.ResultSetMetaData::ColumnNullable NameError: uninitialized constant Java::JavaSql::ResultSetMetaData::ColumnNullable from (irb):3:in `const_missing' from (irb):3:in `binding' irb(main):003:0> java.sql.ResultSetMetaData::Column_Nullable NameError: uninitialized constant Java::JavaSql::ResultSetMetaData::Column_Nullable from (irb):4:in `const_missing' from (irb):4:in `binding' irb(main):004:0> java.sql.ResultSetMetaData::column_Nullable NoMethodError: undefined method `column_Nullable' for Java::JavaSql::ResultSetMetaData:Module from (irb):5:in `binding' irb(main):005:0> java.sql.ResultSetMetaData.column_Nullable NoMethodError: undefined method `column_Nullable' for Java::JavaSql::ResultSetMetaData:Module from (irb):6:in `binding' irb(main):006:0> java.sql.ResultSetMetaData.columnNullable NoMethodError: undefined method `columnNullable' for Java::JavaSql::ResultSetMetaData:Module from (irb):7:in `binding' irb(main):007:0> java.sql.ResultSetMetaData.constants => []
java.sql.ResultSetMetaData.columnNullable をjrubyで取得しようと思ったらとれなくて、java.sql.ResultSetMetaData.constantsを見たら空っぽだった。泣。