EXPLAIN_DIAGNOSTIC_DATA
Field	Type	Description
EXPLAIN_REQUESTER	string	Explain Requester
EXPLAIN_TIME	datetime	Explain Time
SOURCE_NAME	string	Source Name
SOURCE_SCHEMA	string	Source Schema
SOURCE_VERSION	string	Source Version
EXPLAIN_LEVEL	string	Explain Level
STMTNO	integer	Stmtno
SECTNO	integer	Sectno
DIAGNOSTIC_ID	integer	Diagnostic Id
ORDINAL	integer	Ordinal
TOKEN	string	Token
TOKEN_LONG	blob	Token Long