MiqSqlite3DB::MiqSqlite3Cell#getPayload with overflow raises an exception

[agrare]

>> require 'db/MiqSqlite/MiqSqlite3'
=> true
>> db = MiqSqlite3DB::MiqSqlite3.new('/var/lib/rpm/rpmdb.sqlite')
=> 
#<MiqSqlite3DB::MiqSqlite3:0x00007fe1d7587080
...
>> db.getTable('Packages')
=> 
#<MiqSqlite3DB::MiqSqlite3Table:0x00007fe1d74fe398
 @columns=[{"name"=>"blob", "type"=>"blob"}],
 @data=2,
 @db=
  #<MiqSqlite3DB::MiqSqlite3:0x00007fe1d7587080
   @file=#<File:spec/metadata/linux/data/rpm/rpmdb.sqlite>,
   @filename="spec/metadata/linux/data/rpm/rpmdb.sqlite",
   @header=
    #<OpenStruct magic="SQLite format 3\x00", page_size=4096, write_version=2, read_version=2, unused_space=0, max_payload_node_fraction=64, min_payload_node_fraction=32, min_payload_leaf_fraction=32, file_change_counter=14, reserved="\x00\x00\x98\x03", first_freelist_page=5469, number_freelist_pages=25376, meta_values=49>,
   @maxEmbedFrac=64,
   @maxLeaf=4061,
   @maxLocal=1002,
   @minEmbedFrac=32,
   @minLeaf=489,
   @minLeafFrac=32,
   @minLocal=489,
   @nReserve=0,
   @npages=38915,
   @pageSize=4096,
   @pageSizeFixed=true,
   @usableSize=4096>,
 @desc="Packages",
 @fields=
  [{"len"=>5, "type"=>"text", "data"=>"table"},
   {"len"=>8, "type"=>"text", "data"=>"Packages"},
   {"len"=>8, "type"=>"text", "data"=>"Packages"},
   {"len"=>1, "type"=>"integer", "data"=>2},
   {"len"=>83, "type"=>"text", "data"=>"CREATE TABLE 'Packages' (hnum INTEGER PRIMARY KEY AUTOINCREMENT,blob BLOB NOT NULL)"}],
 @key="hnum",
 @name="Packages",
 @pagenum=33,
 @sql="CREATE TABLE 'Packages' (hnum INTEGER PRIMARY KEY AUTOINCREMENT,blob BLOB NOT NULL)",
 @type="table">
>> db.getTable('Packages').each_row {}
/home/grare/adam/src/manageiq/manageiq-smartstate/lib/db/MiqSqlite/MiqSqlite3Cell.rb:117:in `getPayload': undefined method `usableSize' for nil (NoMethodError)

        surplus   = minLocal + (nPayload - minLocal) % (@db.usableSize - 4)   # Overflow payload available for local storage
                                                           ^^^^^^^^^^^
	from /home/grare/adam/src/manageiq/manageiq-smartstate/lib/db/MiqSqlite/MiqSqlite3Cell.rb:34:in `initialize'
	from /home/grare/adam/src/manageiq/manageiq-smartstate/lib/db/MiqSqlite/MiqSqlite3Page.rb:146:in `new'
	from /home/grare/adam/src/manageiq/manageiq-smartstate/lib/db/MiqSqlite/MiqSqlite3Page.rb:146:in `block in initCells'
	from /home/grare/adam/src/manageiq/manageiq-smartstate/lib/db/MiqSqlite/MiqSqlite3Page.rb:146:in `each'
	from /home/grare/adam/src/manageiq/manageiq-smartstate/lib/db/MiqSqlite/MiqSqlite3Page.rb:146:in `initCells'
	from /home/grare/adam/src/manageiq/manageiq-smartstate/lib/db/MiqSqlite/MiqSqlite3Page.rb:90:in `each_cell'
	from /home/grare/adam/src/manageiq/manageiq-smartstate/lib/db/MiqSqlite/MiqSqlite3Page.rb:83:in `each_child'
	from /home/grare/adam/src/manageiq/manageiq-smartstate/lib/db/MiqSqlite/MiqSqlite3Page.rb:95:in `leaves'
	from /home/grare/adam/src/manageiq/manageiq-smartstate/lib/db/MiqSqlite/MiqSqlite3Page.rb:96:in `block in leaves'
	from /home/grare/adam/src/manageiq/manageiq-smartstate/lib/db/MiqSqlite/MiqSqlite3Page.rb:84:in `block in each_child'
	from /home/grare/adam/src/manageiq/manageiq-smartstate/lib/db/MiqSqlite/MiqSqlite3Page.rb:91:in `block in each_cell'
	from /home/grare/adam/src/manageiq/manageiq-smartstate/lib/db/MiqSqlite/MiqSqlite3Page.rb:91:in `each'
	from /home/grare/adam/src/manageiq/manageiq-smartstate/lib/db/MiqSqlite/MiqSqlite3Page.rb:91:in `each_cell'
	from /home/grare/adam/src/manageiq/manageiq-smartstate/lib/db/MiqSqlite/MiqSqlite3Page.rb:83:in `each_child'
	from /home/grare/adam/src/manageiq/manageiq-smartstate/lib/db/MiqSqlite/MiqSqlite3Page.rb:95:in `leaves'
	from /home/grare/adam/src/manageiq/manageiq-smartstate/lib/db/MiqSqlite/MiqSqlite3Table.rb:87:in `each_row'
	... 3 levels...