iId              119264 ext/sqlite3/libsqlite/sqlite3.c     int iId = pParse->iSelectId;  /* Select id (left-most output column) */
iId              119345 ext/sqlite3/libsqlite/sqlite3.c     ret = sqlite3VdbeAddOp4(v, OP_Explain, iId, iLevel, iFrom, zMsg,P4_DYNAMIC);